Analysis
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max time kernel
64s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
13-04-2021 05:55
Static task
static1
Behavioral task
behavioral1
Sample
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe
Resource
win10v20210410
General
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Target
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe
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Size
179KB
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MD5
17526984ac57c4839e889f55ea068c93
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SHA1
a4d42180150f9f73a4dde60668bc97e31289de47
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SHA256
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c
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SHA512
fc0486902e93cdbb99b20cd79c8d6927daa7c5693f4fafb3f795e17452b52c3362c384f90f448a73eadb2d89d257029212465cb29cabae94191ed8e259b128cf
Malware Config
Extracted
C:\4d27116-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/A051F35649A5AFD3
http://decryptor.top/A051F35649A5AFD3
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 12 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exedescription ioc process File renamed C:\Users\Admin\Pictures\SyncAdd.tiff => \??\c:\users\admin\pictures\SyncAdd.tiff.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\InitializeStep.raw => \??\c:\users\admin\pictures\InitializeStep.raw.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\InstallDisconnect.crw => \??\c:\users\admin\pictures\InstallDisconnect.crw.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\users\admin\pictures\InvokeSubmit.tiff afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\InvokeSubmit.tiff => \??\c:\users\admin\pictures\InvokeSubmit.tiff.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\ResetInitialize.png => \??\c:\users\admin\pictures\ResetInitialize.png.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\RestoreNew.tif => \??\c:\users\admin\pictures\RestoreNew.tif.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\SubmitInitialize.png => \??\c:\users\admin\pictures\SubmitInitialize.png.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\MoveDisable.raw => \??\c:\users\admin\pictures\MoveDisable.raw.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\SuspendApprove.tif => \??\c:\users\admin\pictures\SuspendApprove.tif.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\users\admin\pictures\SyncAdd.tiff afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File renamed C:\Users\Admin\Pictures\WatchInvoke.raw => \??\c:\users\admin\pictures\WatchInvoke.raw.4d27116 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exedescription ioc process File opened (read-only) \??\A: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\B: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\P: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\X: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\Z: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\E: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\H: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\K: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\M: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\R: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\S: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\U: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\F: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\I: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\J: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\O: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\Q: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\W: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\Y: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\D: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\G: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\L: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\N: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\T: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened (read-only) \??\V: afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prj11n3121.bmp" afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe -
Drops file in Program Files directory 11 IoCs
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exedescription ioc process File opened for modification \??\c:\program files\ExportComplete.asf afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\MergeInvoke.dwfx afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\OpenMerge.xlt afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\StopSwitch.svg afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File created \??\c:\program files (x86)\4d27116-readme.txt afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\EditRepair.xlt afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\ConvertToSplit.m4v afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\RegisterExpand.ADTS afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\UnlockEnter.wdp afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File created \??\c:\program files\4d27116-readme.txt afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe File opened for modification \??\c:\program files\CompleteDeny.aifc afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exepowershell.exepid process 4056 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe 4056 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe 1672 powershell.exe 1672 powershell.exe 1672 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 1672 powershell.exe Token: SeBackupPrivilege 1432 vssvc.exe Token: SeRestorePrivilege 1432 vssvc.exe Token: SeAuditPrivilege 1432 vssvc.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exedescription pid process target process PID 4056 wrote to memory of 1672 4056 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe powershell.exe PID 4056 wrote to memory of 1672 4056 afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.exe"C:\Users\Admin\AppData\Local\Temp\afe7d7f69506779ddaae486a5ab735e96523e761e64eec0c7c05349e330add9c.bin.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
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Downloads
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memory/1672-114-0x0000000000000000-mapping.dmp
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memory/1672-119-0x0000027077190000-0x0000027077191000-memory.dmpFilesize
4KB
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memory/1672-122-0x0000027077770000-0x0000027077771000-memory.dmpFilesize
4KB
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memory/1672-125-0x0000027077210000-0x0000027077212000-memory.dmpFilesize
8KB
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memory/1672-126-0x0000027077213000-0x0000027077215000-memory.dmpFilesize
8KB
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memory/1672-134-0x0000027077216000-0x0000027077218000-memory.dmpFilesize
8KB