Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
21-10-2020 13:35
Static task
static1
Behavioral task
behavioral1
Sample
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe
Resource
win10v200722
General
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Target
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe
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Size
117KB
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MD5
ed610aaba5a4ef5c2fe5ce4a7662709f
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SHA1
ceaf22b583c69c87c0449e084f94d79b343e4d55
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SHA256
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501
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SHA512
fe3c0ff450076d3e3b2bdf5a5e30573c7dcbb2d570c22dbfa2063f2394261949ce546fff849b8fe3495932b69e409864817e78b354053b1938280c5869466b7f
Malware Config
Extracted
C:\3o2z0vv-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/2BE3C2823DAFF8A6
http://decryptor.cc/2BE3C2823DAFF8A6
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 13 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exedescription ioc process File renamed C:\Users\Admin\Pictures\InstallBackup.tiff => \??\c:\users\admin\pictures\InstallBackup.tiff.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\MountRead.tiff => \??\c:\users\admin\pictures\MountRead.tiff.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\RevokeBackup.tiff => \??\c:\users\admin\pictures\RevokeBackup.tiff.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\users\admin\pictures\WatchLock.tiff fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\RedoUnprotect.tiff => \??\c:\users\admin\pictures\RedoUnprotect.tiff.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\users\admin\pictures\InstallBackup.tiff fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\users\admin\pictures\MountRead.tiff fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\users\admin\pictures\RedoUnprotect.tiff fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\users\admin\pictures\RevokeBackup.tiff fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\GetLimit.png => \??\c:\users\admin\pictures\GetLimit.png.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\JoinDisconnect.tif => \??\c:\users\admin\pictures\JoinDisconnect.tif.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\PopSwitch.crw => \??\c:\users\admin\pictures\PopSwitch.crw.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File renamed C:\Users\Admin\Pictures\WatchLock.tiff => \??\c:\users\admin\pictures\WatchLock.tiff.3o2z0vv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exedescription ioc process File opened (read-only) \??\P: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\Q: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\E: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\J: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\K: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\M: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\X: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\D: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\F: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\L: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\R: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\T: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\W: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\Y: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\H: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\N: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\S: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\U: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\O: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\V: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\Z: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\A: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\B: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\G: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened (read-only) \??\I: fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe -
Modifies service 2 TTPs 5 IoCs
Processes:
vssvc.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer vssvc.exe 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\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:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.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\\fdg7p3a.bmp" fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe -
Drops file in Program Files directory 25 IoCs
Processes:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exedescription ioc process File opened for modification \??\c:\program files\UnlockTrace.vsx fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\GetReceive.mpg fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\NewInitialize.ods fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\ResolveUse.tmp fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\SplitPop.xps fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\SubmitPush.mid fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\LimitInvoke.xlsx fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\LimitReceive.mpeg2 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File created \??\c:\program files\3o2z0vv-readme.txt fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\AddConnect.pcx fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\ApproveMount.AAC fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\CheckpointInvoke.xla fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\FindDisconnect.wmf fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\UnpublishFormat.mpv2 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\UseRevoke.scf fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\AssertUnblock.7z fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\FormatCompare.jpg fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\GetInvoke.TTS fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\OptimizeComplete.doc fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\SetUse.docm fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File created \??\c:\program files (x86)\3o2z0vv-readme.txt fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\BlockWrite.odt fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\JoinComplete.rtf fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\OutWatch.wmv fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe File opened for modification \??\c:\program files\SplitRead.php fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exepid process 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exevssvc.exedescription pid process Token: SeDebugPrivilege 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe Token: SeTakeOwnershipPrivilege 416 fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe Token: SeBackupPrivilege 2840 vssvc.exe Token: SeRestorePrivilege 2840 vssvc.exe Token: SeAuditPrivilege 2840 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.exe"C:\Users\Admin\AppData\Local\Temp\fc26288df74aa8046b4761f8478c52819e0fca478c1ab674da7e1d24e1cfa501.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
PID:416
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:4008
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:2840