Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-03-2021 21:19
Static task
static1
Behavioral task
behavioral1
Sample
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe
Resource
win10v20201028
General
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Target
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe
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Size
118KB
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MD5
e332da214c04a1eb20214777c63989c3
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SHA1
6f1b7cb70feb12b3d76f349f13b7ee18283c089b
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SHA256
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87
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SHA512
8244d8314c634371d3dca8b2f30b5a61dcafe4a3f9e9faba0e233a5373307836fec77337d4c1d943cf567bd6a1ac2efa5156b5ac7dd06eadaa56f0d436b7ceaf
Malware Config
Extracted
C:\f590d0t212-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/1BCD9ED43B973EB5
http://decoder.re/1BCD9ED43B973EB5
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:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exedescription ioc process File renamed C:\Users\Admin\Pictures\ClearResize.raw => \??\c:\users\admin\pictures\ClearResize.raw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\EnterSelect.crw => \??\c:\users\admin\pictures\EnterSelect.crw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\FormatEdit.tif => \??\c:\users\admin\pictures\FormatEdit.tif.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\FormatRestore.png => \??\c:\users\admin\pictures\FormatRestore.png.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\InstallUnprotect.raw => \??\c:\users\admin\pictures\InstallUnprotect.raw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\SearchRevoke.crw => \??\c:\users\admin\pictures\SearchRevoke.crw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\ShowCheckpoint.crw => \??\c:\users\admin\pictures\ShowCheckpoint.crw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File renamed C:\Users\Admin\Pictures\StopGet.crw => \??\c:\users\admin\pictures\StopGet.crw.f590d0t212 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1E8NAmhfRO = "C:\\Users\\Admin\\AppData\\Local\\Temp\\711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe" 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exedescription ioc process File opened (read-only) \??\H: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\K: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\P: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\U: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\Z: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\F: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\G: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\M: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\R: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\W: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\A: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\J: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\Q: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\S: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\X: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\Y: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\D: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\B: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\E: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\N: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\O: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\T: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\V: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\I: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened (read-only) \??\L: 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\gsn9nb97.bmp" 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe -
Drops file in Program Files directory 33 IoCs
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exedescription ioc process File opened for modification \??\c:\program files\CheckpointResolve.php 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\RestartGrant.xml 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\StepStop.m4v 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UnregisterMeasure.cr2 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ApproveEdit.bmp 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ResolveStop.pptm 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UndoUnpublish.xlsm 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UpdateRevoke.vsw 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\BlockSelect.cr2 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\CopyGet.mpg 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\PushMount.css 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\SetUpdate.php 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\SplitPush.vssm 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\BlockClear.tiff 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\EnableBlock.dwg 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\OpenTrace.xsl 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\StopCopy.mp3 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\DisableCompare.tmp 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\EnableSend.ppt 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\SplitLock.svgz 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UninstallRedo.search-ms 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ApproveRestart.scf 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\BackupSync.mp2 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\EnterSubmit.scf 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ExitSearch.mpeg3 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ResetInitialize.ram 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\ApproveRepair.crw 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\PublishSplit.ttc 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UnprotectUnblock.dwg 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\UpdateRemove.rm 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\CompareReceive.xlsm 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\CompressDisable.MTS 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe File opened for modification \??\c:\program files\CopyGet.tif 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exepid process 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exevssvc.exedescription pid process Token: SeDebugPrivilege 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe Token: SeTakeOwnershipPrivilege 1112 711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe Token: SeBackupPrivilege 3444 vssvc.exe Token: SeRestorePrivilege 3444 vssvc.exe Token: SeAuditPrivilege 3444 vssvc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.exe"C:\Users\Admin\AppData\Local\Temp\711ea342f393ba9f505e5d72ff1299d12fd3bb420106ae96221b5121ac64eb87.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
PID:1112
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2236
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444