Analysis
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max time kernel
30s -
max time network
29s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
20-10-2020 11:48
Static task
static1
Behavioral task
behavioral1
Sample
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe
Resource
win10v200722
General
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Target
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe
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Size
116KB
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MD5
2174bbe764a989e7e0b0e1b01aae240a
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SHA1
4e8b23ba93fd8ca5bc108470207dafe03881c031
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SHA256
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426
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SHA512
2978f34e7d5474257f3fcea74a04ac8c874aa1e84ee8b570ae5da262c5972cc63c18ae7c2a3f639a173116f1ea3a8fe6c46ce8c9f3fbad62ad4752be8e90132b
Malware Config
Extracted
C:\3r974v-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/0B8805A7B6C95AF5
http://decryptor.cc/0B8805A7B6C95AF5
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 4 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exedescription ioc process File renamed C:\Users\Admin\Pictures\BlockOut.raw => \??\c:\users\admin\pictures\BlockOut.raw.3r974v 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File renamed C:\Users\Admin\Pictures\EditPop.png => \??\c:\users\admin\pictures\EditPop.png.3r974v 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File renamed C:\Users\Admin\Pictures\LimitTest.crw => \??\c:\users\admin\pictures\LimitTest.crw.3r974v 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File renamed C:\Users\Admin\Pictures\MergeConnect.raw => \??\c:\users\admin\pictures\MergeConnect.raw.3r974v 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exedescription ioc process File opened (read-only) \??\N: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\V: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\Y: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\K: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\H: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\I: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\J: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\O: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\T: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\D: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\B: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\L: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\Q: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\S: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\W: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\X: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\F: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\E: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\G: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\M: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\P: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\R: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\U: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\Z: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened (read-only) \??\A: 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt powershell.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:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\m524.bmp" 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe -
Drops file in Program Files directory 14 IoCs
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exedescription ioc process File opened for modification \??\c:\program files\SavePing.xhtml 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\ShowUninstall.xla 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\SuspendClose.reg 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\UnprotectRemove.xps 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\UnpublishWait.nfo 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\MergeCompare.ppsx 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\OptimizeSearch.htm 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File created \??\c:\program files (x86)\3r974v-readme.txt 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\CheckpointMerge.odp 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\ReadReset.emf 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File created \??\c:\program files\3r974v-readme.txt 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\DenySync.3gp2 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\DismountTrace.ttf 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe File opened for modification \??\c:\program files\DebugSplit.mht 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exepowershell.exepid process 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe 3412 powershell.exe 3412 powershell.exe 3412 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exepowershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeBackupPrivilege 3124 vssvc.exe Token: SeRestorePrivilege 3124 vssvc.exe Token: SeAuditPrivilege 3124 vssvc.exe Token: SeTakeOwnershipPrivilege 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exedescription pid process target process PID 968 wrote to memory of 3412 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe powershell.exe PID 968 wrote to memory of 3412 968 2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.exe"C:\Users\Admin\AppData\Local\Temp\2e83e8c0dfc380cf60a217b10b6e208e71e35e16ceea6a6f9005904519383426.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:968 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3412
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:3860
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3124
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/3412-0-0x0000000000000000-mapping.dmp
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memory/3412-1-0x00007FFE7B0F0000-0x00007FFE7BADC000-memory.dmpFilesize
9.9MB
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memory/3412-2-0x0000021DDD870000-0x0000021DDD871000-memory.dmpFilesize
4KB
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memory/3412-3-0x0000021DF7C60000-0x0000021DF7C61000-memory.dmpFilesize
4KB