Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10_x64 -
resource
win10 -
submitted
21-10-2020 13:13
Static task
static1
Behavioral task
behavioral1
Sample
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe
Resource
win10
General
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Target
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe
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Size
391KB
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MD5
20e978191530341cb70181f4f25a9d4e
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SHA1
b9e0ace21669d4284a4f056db05c3d53bb15d8bb
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SHA256
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983
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SHA512
24c65f81b2dba62eb6789b149c3bc0b7547d8af1f1c74e9f9ea64309feacd45f25f400cedad050bbab10da0ac510a6bf131472b06332ef24403fefaf964a98fc
Malware Config
Extracted
C:\67k5c9k-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/C1267AF4DB4F2CE4
http://decryptor.cc/C1267AF4DB4F2CE4
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 6 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription ioc process File opened for modification \??\c:\users\admin\pictures\ProtectUnblock.tiff 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File renamed C:\Users\Admin\Pictures\ProtectUnblock.tiff => \??\c:\users\admin\pictures\ProtectUnblock.tiff.67k5c9k 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File renamed C:\Users\Admin\Pictures\StartFormat.crw => \??\c:\users\admin\pictures\StartFormat.crw.67k5c9k 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File renamed C:\Users\Admin\Pictures\SuspendGet.tif => \??\c:\users\admin\pictures\SuspendGet.tif.67k5c9k 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File renamed C:\Users\Admin\Pictures\SwitchReset.png => \??\c:\users\admin\pictures\SwitchReset.png.67k5c9k 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File renamed C:\Users\Admin\Pictures\WriteProtect.tif => \??\c:\users\admin\pictures\WriteProtect.tif.67k5c9k 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\BV7BRrErOX = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe" 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription ioc process File opened (read-only) \??\K: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\L: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\Z: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\B: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\F: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\H: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\N: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\Q: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\Y: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\A: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\I: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\J: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\M: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\O: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\P: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\R: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\T: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\U: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\E: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\G: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\S: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\V: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\W: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\X: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened (read-only) \??\D: 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Modifies service 2 TTPs 5 IoCs
Processes:
vssvc.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5} vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer vssvc.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ng4c20bc.bmp" 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Drops file in Program Files directory 25 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription ioc process File opened for modification \??\c:\program files\HideSearch.ADTS 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\RegisterSkip.vstm 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\ResolveStep.mp4 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\RestartDisable.vsdx 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\SubmitRestore.DVR-MS 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\TraceResume.avi 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File created \??\c:\program files (x86)\67k5c9k-readme.txt 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\CopyWait.m4a 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\HideResolve.jfif 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\ResumeExpand.easmx 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\SplitSync.vdx 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\UnregisterEnable.mp2v 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\WriteHide.wpl 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File created \??\c:\program files\67k5c9k-readme.txt 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\ExitSearch.rar 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\RenameDeny.dxf 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\UnregisterReset.dib 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\LockComplete.sql 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\NewGrant.pdf 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\MoveConvertFrom.html 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\ReadConvert.png 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\SearchReceive.m3u 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\UnregisterMeasure.3gp 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\BackupUnblock.fon 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe File opened for modification \??\c:\program files\DisconnectSplit.sql 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Suspicious behavior: EnumeratesProcesses 77 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exepowershell.exepid process 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 1444 powershell.exe 1444 powershell.exe 1444 powershell.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeBackupPrivilege 2780 vssvc.exe Token: SeRestorePrivilege 2780 vssvc.exe Token: SeAuditPrivilege 2780 vssvc.exe Token: SeTakeOwnershipPrivilege 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exedescription pid process target process PID 2964 wrote to memory of 1444 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe powershell.exe PID 2964 wrote to memory of 1444 2964 8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe"C:\Users\Admin\AppData\Local\Temp\8b2010cc477eb93eb304aed47018b719b7dbac12128a56bc47bd24b6cdbfc983.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- 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:2964 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1444
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1632
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:2780
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1444-0-0x0000000000000000-mapping.dmp
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memory/1444-1-0x00007FF88C260000-0x00007FF88CC4C000-memory.dmpFilesize
9.9MB
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memory/1444-2-0x0000018122D80000-0x0000018122D81000-memory.dmpFilesize
4KB
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memory/1444-3-0x0000018122F30000-0x0000018122F31000-memory.dmpFilesize
4KB