Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10_x64 -
resource
win10 -
submitted
15-09-2020 20:37
Static task
static1
Behavioral task
behavioral1
Sample
m3kJUZkr.exe.dll
Resource
win7v200722
Behavioral task
behavioral2
Sample
m3kJUZkr.exe.dll
Resource
win10
General
-
Target
m3kJUZkr.exe.dll
-
Size
116KB
-
MD5
0532e250400ded8515f6d042d388ff07
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SHA1
e47ed9a5120f928da174a0178b1698aad8baf0b5
-
SHA256
938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f
-
SHA512
b03da56c18d7b084ce09fd3dfa1cfeb19c07ee5fc5b0bdbfb0ea935e72c6a4b5e1198aa3362e505d5e178c0df0ff2d8a479f8d96aba13d068343c72b0cc4f27e
Malware Config
Extracted
C:\9938qi3-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/880230F23FF696FB
http://decryptor.cc/880230F23FF696FB
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
-
Blacklisted process makes network request 68 IoCs
Processes:
rundll32.exeflow pid process 12 2888 rundll32.exe 14 2888 rundll32.exe 16 2888 rundll32.exe 18 2888 rundll32.exe 20 2888 rundll32.exe 22 2888 rundll32.exe 24 2888 rundll32.exe 26 2888 rundll32.exe 28 2888 rundll32.exe 30 2888 rundll32.exe 32 2888 rundll32.exe 34 2888 rundll32.exe 36 2888 rundll32.exe 39 2888 rundll32.exe 41 2888 rundll32.exe 43 2888 rundll32.exe 45 2888 rundll32.exe 47 2888 rundll32.exe 49 2888 rundll32.exe 51 2888 rundll32.exe 53 2888 rundll32.exe 55 2888 rundll32.exe 57 2888 rundll32.exe 59 2888 rundll32.exe 61 2888 rundll32.exe 63 2888 rundll32.exe 65 2888 rundll32.exe 67 2888 rundll32.exe 68 2888 rundll32.exe 70 2888 rundll32.exe 72 2888 rundll32.exe 74 2888 rundll32.exe 76 2888 rundll32.exe 78 2888 rundll32.exe 80 2888 rundll32.exe 82 2888 rundll32.exe 84 2888 rundll32.exe 86 2888 rundll32.exe 88 2888 rundll32.exe 90 2888 rundll32.exe 93 2888 rundll32.exe 95 2888 rundll32.exe 97 2888 rundll32.exe 99 2888 rundll32.exe 101 2888 rundll32.exe 103 2888 rundll32.exe 105 2888 rundll32.exe 107 2888 rundll32.exe 109 2888 rundll32.exe 111 2888 rundll32.exe 113 2888 rundll32.exe 115 2888 rundll32.exe 117 2888 rundll32.exe 118 2888 rundll32.exe 120 2888 rundll32.exe 122 2888 rundll32.exe 124 2888 rundll32.exe 126 2888 rundll32.exe 128 2888 rundll32.exe 130 2888 rundll32.exe 132 2888 rundll32.exe 134 2888 rundll32.exe 136 2888 rundll32.exe 139 2888 rundll32.exe -
Modifies extensions of user files 7 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
rundll32.exedescription ioc process File renamed C:\Users\Admin\Pictures\GrantUnlock.raw => \??\c:\users\admin\pictures\GrantUnlock.raw.9938qi3 rundll32.exe File renamed C:\Users\Admin\Pictures\ResolveSwitch.tiff => \??\c:\users\admin\pictures\ResolveSwitch.tiff.9938qi3 rundll32.exe File renamed C:\Users\Admin\Pictures\StepConvertFrom.raw => \??\c:\users\admin\pictures\StepConvertFrom.raw.9938qi3 rundll32.exe File opened for modification \??\c:\users\admin\pictures\ResolveSwitch.tiff rundll32.exe File renamed C:\Users\Admin\Pictures\ApproveAssert.crw => \??\c:\users\admin\pictures\ApproveAssert.crw.9938qi3 rundll32.exe File renamed C:\Users\Admin\Pictures\DisableUnregister.tif => \??\c:\users\admin\pictures\DisableUnregister.tif.9938qi3 rundll32.exe File renamed C:\Users\Admin\Pictures\DismountSplit.tif => \??\c:\users\admin\pictures\DismountSplit.tif.9938qi3 rundll32.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\I: rundll32.exe File opened (read-only) \??\J: rundll32.exe File opened (read-only) \??\N: rundll32.exe File opened (read-only) \??\P: rundll32.exe File opened (read-only) \??\T: rundll32.exe File opened (read-only) \??\F: rundll32.exe File opened (read-only) \??\H: rundll32.exe File opened (read-only) \??\U: rundll32.exe File opened (read-only) \??\Z: rundll32.exe File opened (read-only) \??\G: rundll32.exe File opened (read-only) \??\Q: rundll32.exe File opened (read-only) \??\E: rundll32.exe File opened (read-only) \??\K: rundll32.exe File opened (read-only) \??\M: rundll32.exe File opened (read-only) \??\O: rundll32.exe File opened (read-only) \??\V: rundll32.exe File opened (read-only) \??\W: rundll32.exe File opened (read-only) \??\A: rundll32.exe File opened (read-only) \??\B: rundll32.exe File opened (read-only) \??\Y: rundll32.exe File opened (read-only) \??\D: rundll32.exe File opened (read-only) \??\S: rundll32.exe File opened (read-only) \??\X: rundll32.exe File opened (read-only) \??\L: rundll32.exe File opened (read-only) \??\R: rundll32.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:
rundll32.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\\36p17f2.bmp" rundll32.exe -
Drops file in Program Files directory 33 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification \??\c:\program files\GroupAdd.txt rundll32.exe File opened for modification \??\c:\program files\SplitLock.vdw rundll32.exe File opened for modification \??\c:\program files\DismountInvoke.TTS rundll32.exe File opened for modification \??\c:\program files\PingRead.wvx rundll32.exe File opened for modification \??\c:\program files\SubmitExport.mpv2 rundll32.exe File opened for modification \??\c:\program files\ResizeApprove.ppsx rundll32.exe File opened for modification \??\c:\program files\SyncShow.potm rundll32.exe File opened for modification \??\c:\program files\ConvertRead.easmx rundll32.exe File opened for modification \??\c:\program files\RestartClear.svgz rundll32.exe File opened for modification \??\c:\program files\RestoreInitialize.wav rundll32.exe File opened for modification \??\c:\program files\SkipSubmit.ram rundll32.exe File opened for modification \??\c:\program files\UnpublishRemove.docx rundll32.exe File created \??\c:\program files\9938qi3-readme.txt rundll32.exe File opened for modification \??\c:\program files\ShowRepair.xps rundll32.exe File opened for modification \??\c:\program files\UpdateStep.mpeg3 rundll32.exe File created \??\c:\program files (x86)\9938qi3-readme.txt rundll32.exe File opened for modification \??\c:\program files\CompressResume.kix rundll32.exe File opened for modification \??\c:\program files\InstallSwitch.ogg rundll32.exe File opened for modification \??\c:\program files\MergeUpdate.au rundll32.exe File opened for modification \??\c:\program files\StepSwitch.pot rundll32.exe File opened for modification \??\c:\program files\StopLock.ADTS rundll32.exe File opened for modification \??\c:\program files\SubmitEnable.aiff rundll32.exe File opened for modification \??\c:\program files\InstallEnable.mp2 rundll32.exe File opened for modification \??\c:\program files\OptimizeMove.AAC rundll32.exe File opened for modification \??\c:\program files\PingTrace.gif rundll32.exe File opened for modification \??\c:\program files\ReadMerge.vdw rundll32.exe File opened for modification \??\c:\program files\RevokeApprove.xsl rundll32.exe File opened for modification \??\c:\program files\UnpublishCopy.pptx rundll32.exe File opened for modification \??\c:\program files\CloseSplit.ods rundll32.exe File opened for modification \??\c:\program files\OptimizeConfirm.xla rundll32.exe File opened for modification \??\c:\program files\SplitUnprotect.wax rundll32.exe File opened for modification \??\c:\program files\SyncEdit.zip rundll32.exe File opened for modification \??\c:\program files\WriteUpdate.vb rundll32.exe -
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868\Blob = 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 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868\Blob = 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 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 2888 rundll32.exe 2888 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
rundll32.exevssvc.exedescription pid process Token: SeDebugPrivilege 2888 rundll32.exe Token: SeTakeOwnershipPrivilege 2888 rundll32.exe Token: SeBackupPrivilege 1872 vssvc.exe Token: SeRestorePrivilege 1872 vssvc.exe Token: SeAuditPrivilege 1872 vssvc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3588 wrote to memory of 2888 3588 rundll32.exe rundll32.exe PID 3588 wrote to memory of 2888 3588 rundll32.exe rundll32.exe PID 3588 wrote to memory of 2888 3588 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\m3kJUZkr.exe.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\m3kJUZkr.exe.dll,#12⤵
- Blacklisted process makes network request
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
-
C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1312
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1872