Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-04-2021 16:03
Static task
static1
Behavioral task
behavioral1
Sample
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe
Resource
win10v20201028
General
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Target
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe
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Size
120KB
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MD5
726d948d365cb9db1dfd84a30203a642
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SHA1
78ed4bcf9c0aca8d14b25da2e679a91c48dd6797
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SHA256
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
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SHA512
bd17f2b265c30f0d9ddc60e01026f21ad6b6355f68b762b14b3e8882a90de0a20970f77105a2515a7cb4a0d1429f3a70cdf40d4247384592d36da6f2907a690a
Malware Config
Extracted
C:\068q99vvd3-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/84ACD01A92E0F99A
http://decoder.re/84ACD01A92E0F99A
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 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exedescription ioc process File renamed C:\Users\Admin\Pictures\RenameGrant.raw => \??\c:\users\admin\pictures\RenameGrant.raw.068q99vvd3 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File renamed C:\Users\Admin\Pictures\RenameReset.tif => \??\c:\users\admin\pictures\RenameReset.tif.068q99vvd3 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\users\admin\pictures\UnprotectUninstall.tiff d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File renamed C:\Users\Admin\Pictures\UnprotectUninstall.tiff => \??\c:\users\admin\pictures\UnprotectUninstall.tiff.068q99vvd3 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exedescription ioc process File opened (read-only) \??\J: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\S: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\T: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\Y: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\Z: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\G: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\E: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\N: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\O: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\P: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\B: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\F: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\H: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\I: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\L: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\Q: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\R: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\U: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\A: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\X: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\D: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\W: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\M: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\V: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened (read-only) \??\K: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\251ar.bmp" d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe -
Drops file in Program Files directory 19 IoCs
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exedescription ioc process File opened for modification \??\c:\program files\UnpublishOptimize.pcx d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\SelectLock.mpe d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File created \??\c:\program files (x86)\068q99vvd3-readme.txt d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\AssertExport.tiff d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\DenyExit.dot d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\EnterConvertFrom.rle d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\PublishOptimize.rm d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\RepairMove.mht d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File created \??\c:\program files\068q99vvd3-readme.txt d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\ProtectMove.aifc d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\SaveRemove.xlsb d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\UnpublishRemove.M2V d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\BackupDisable.wma d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\LimitWatch.asf d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\LockCopy.potx d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\PopOpen.xlt d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\StepRead.au3 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\UninstallRegister.wma d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe File opened for modification \??\c:\program files\ConvertConvertFrom.gif d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exepid process 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exevssvc.exedescription pid process Token: SeDebugPrivilege 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe Token: SeTakeOwnershipPrivilege 3084 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe Token: SeBackupPrivilege 2992 vssvc.exe Token: SeRestorePrivilege 2992 vssvc.exe Token: SeAuditPrivilege 2992 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe"C:\Users\Admin\AppData\Local\Temp\d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken