Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
14-04-2021 18:10
Static task
static1
Behavioral task
behavioral1
Sample
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe
Resource
win10v20210408
General
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Target
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe
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Size
120KB
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MD5
18e958c8975f67d02d3e6e4a269c2e08
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SHA1
f03b3b2777ce07fd68b7d242c7355c93748f86af
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SHA256
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d
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SHA512
3c74d8d13611565d9334cd80ebb3f010606edb30df17f1a052469e14b3df915dddc28bb9c1d99984cd2a610650e8dd7e4cb77f85f7730a833d2f8ed5cdadbdbf
Malware Config
Extracted
C:\9438anusxz-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/E6307FCD73386587
http://decoder.re/E6307FCD73386587
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 8 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exedescription ioc process File renamed C:\Users\Admin\Pictures\StopUninstall.tiff => \??\c:\users\admin\pictures\StopUninstall.tiff.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File renamed C:\Users\Admin\Pictures\TraceSet.tif => \??\c:\users\admin\pictures\TraceSet.tif.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File renamed C:\Users\Admin\Pictures\UnregisterMerge.raw => \??\c:\users\admin\pictures\UnregisterMerge.raw.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File renamed C:\Users\Admin\Pictures\EnterExport.raw => \??\c:\users\admin\pictures\EnterExport.raw.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File renamed C:\Users\Admin\Pictures\ReadOptimize.raw => \??\c:\users\admin\pictures\ReadOptimize.raw.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\users\admin\pictures\RequestAdd.tiff 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File renamed C:\Users\Admin\Pictures\RequestAdd.tiff => \??\c:\users\admin\pictures\RequestAdd.tiff.9438anusxz 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\users\admin\pictures\StopUninstall.tiff 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exedescription ioc process File opened (read-only) \??\B: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\J: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\L: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\O: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\T: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\X: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\Y: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\A: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\F: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\I: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\M: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\R: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\V: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\K: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\N: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\P: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\U: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\Z: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\D: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\E: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\G: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\H: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\Q: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\S: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened (read-only) \??\W: 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a2.bmp" 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe -
Drops file in Program Files directory 20 IoCs
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exedescription ioc process File opened for modification \??\c:\program files\SkipStart.mp4v 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\AddSearch.jpg 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\PublishSubmit.cfg 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\RemoveEdit.DVR 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\ResumeDismount.ini 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\SearchShow.xml 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\ConvertToGrant.wm 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\InvokeCheckpoint.xltx 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\SelectMount.m3u 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\TraceMerge.dxf 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\CompressExpand.jpeg 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\UnlockWatch.aiff 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\UnprotectWrite.pdf 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\UseExport.htm 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\WatchOpen.css 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File created \??\c:\program files\9438anusxz-readme.txt 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File created \??\c:\program files (x86)\9438anusxz-readme.txt 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\ConfirmEnter.WTV 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\UndoNew.TTS 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe File opened for modification \??\c:\program files\UnlockUnprotect.rm 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exepid process 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exevssvc.exedescription pid process Token: SeDebugPrivilege 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe Token: SeTakeOwnershipPrivilege 668 6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe Token: SeBackupPrivilege 2752 vssvc.exe Token: SeRestorePrivilege 2752 vssvc.exe Token: SeAuditPrivilege 2752 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.exe"C:\Users\Admin\AppData\Local\Temp\6ebf347c7866b9d347642585a5171930c0ce06f5f32654fa1b84876d74f82e4d.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
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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