Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
05-03-2022 22:32
Static task
static1
Behavioral task
behavioral1
Sample
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe
Resource
win10v2004-en-20220113
General
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Target
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe
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Size
116KB
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MD5
6cd56946aa6245d1eac3a88d4470a40c
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SHA1
b4635b3f442e3541a92f026fbb108abeb5d67df7
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SHA256
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c
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SHA512
4dffd58030258616b5123246d88abc4f2444aa0cc2809cb3cdcc81e01beaaa1ea784c5e7b969c1982ecd938041e658300c24a67049fe868f4b172a55311dbd8c
Malware Config
Extracted
C:\nnc2g0o-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/C1E842B4BAA81A9B
http://decryptor.cc/C1E842B4BAA81A9B
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies extensions of user files 9 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process File renamed C:\Users\Admin\Pictures\ClearRemove.crw => \??\c:\users\admin\pictures\ClearRemove.crw.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\EditDisconnect.tiff => \??\c:\users\admin\pictures\EditDisconnect.tiff.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\CopySwitch.crw => \??\c:\users\admin\pictures\CopySwitch.crw.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\ResolveDeny.png => \??\c:\users\admin\pictures\ResolveDeny.png.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\pictures\EditDisconnect.tiff dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\FindUnpublish.raw => \??\c:\users\admin\pictures\FindUnpublish.raw.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\ExportTrace.raw => \??\c:\users\admin\pictures\ExportTrace.raw.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\LimitJoin.crw => \??\c:\users\admin\pictures\LimitJoin.crw.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File renamed C:\Users\Admin\Pictures\OptimizeBlock.png => \??\c:\users\admin\pictures\OptimizeBlock.png.nnc2g0o dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\i1neMACrFU = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe" dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Drops desktop.ini file(s) 26 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process File opened for modification \??\c:\users\admin\music\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\saved games\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\pictures\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\favorites\links\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files (x86)\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\desktop\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\downloads\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\favorites\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\pictures\saved pictures\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\music\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\pictures\camera roll\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\3d objects\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\searches\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\contacts\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\links\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\accountpictures\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\desktop\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\downloads\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\libraries\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\videos\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\documents\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\pictures\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\admin\videos\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\users\public\documents\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process File opened (read-only) \??\E: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\G: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\H: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\J: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\L: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\V: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\W: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\B: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\N: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\T: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\U: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\K: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\F: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\I: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\O: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\Q: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\R: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\X: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\Z: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\A: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\P: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\S: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\Y: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\D: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened (read-only) \??\M: dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\53se9t3a62d1.bmp" dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Drops file in Program Files directory 25 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process File opened for modification \??\c:\program files\RemoveGrant.jfif dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\ResizePop.html dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files (x86)\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\ApproveReset.potm dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\DenySet.avi dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\HideConfirm.xps dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\NewUnlock.vsx dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\ReceiveResize.mpeg dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\CompleteGrant.clr dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\ConvertComplete.7z dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\FindExit.gif dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\RestartRedo.ttf dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File created \??\c:\program files\nnc2g0o-readme.txt dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\PublishInitialize.3gpp dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\RedoMeasure.7z dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\StartDismount.vssx dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\GroupConfirm.au3 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\InstallDisconnect.snd dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\InvokeSwitch.rtf dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File created \??\c:\program files (x86)\nnc2g0o-readme.txt dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\DebugUpdate.odt dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\desktop.ini dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\DisableInstall.mov dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\FindEnable.search-ms dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe File opened for modification \??\c:\program files\JoinConnect.css dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53\Blob = 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 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates\151682F5218C0A511C28F4060A73B9CA78CE9A53 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exepid process 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exevssvc.exedescription pid process Token: SeDebugPrivilege 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe Token: SeTakeOwnershipPrivilege 3972 dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe Token: SeBackupPrivilege 1628 vssvc.exe Token: SeRestorePrivilege 1628 vssvc.exe Token: SeAuditPrivilege 1628 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe"C:\Users\Admin\AppData\Local\Temp\dc92f1c232d4df9cda71db227085e26424920c981c9be4d905d9bc89a504709c.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3652
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1628