Analysis
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max time kernel
145s -
max time network
151s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
17-06-2021 04:58
Static task
static1
Behavioral task
behavioral1
Sample
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe
Resource
win10v20210410
General
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Target
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe
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Size
122KB
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MD5
c975edf27d1683d844191ad565c63bf8
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SHA1
f79f406e7a73b0578836fb6e182da96db1766e1f
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SHA256
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4
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SHA512
cba6f681aaea9555bae1e65c8e556b20de49b9ba96d4f6f08afd8b4aedaa12f2083294a0e8bcc6921daead6d73d8044cbc3dd356c9b4e959e5f0a805e6864a04
Malware Config
Extracted
C:\ic4nx-readme.txt
sodinokibi
http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/C5AD8C3C86A85908
http://decoder.re/C5AD8C3C86A85908
Signatures
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Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
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Modifies Windows Firewall 1 TTPs
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Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exedescription ioc process File renamed C:\Users\Admin\Pictures\StepConvertFrom.png => \??\c:\users\admin\pictures\StepConvertFrom.png.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File renamed C:\Users\Admin\Pictures\UnblockInvoke.tif => \??\c:\users\admin\pictures\UnblockInvoke.tif.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File renamed C:\Users\Admin\Pictures\EnterUninstall.tif => \??\c:\users\admin\pictures\EnterUninstall.tif.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File renamed C:\Users\Admin\Pictures\MeasureDebug.tif => \??\c:\users\admin\pictures\MeasureDebug.tif.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File renamed C:\Users\Admin\Pictures\OpenTrace.tif => \??\c:\users\admin\pictures\OpenTrace.tif.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File renamed C:\Users\Admin\Pictures\ProtectConfirm.png => \??\c:\users\admin\pictures\ProtectConfirm.png.ic4nx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\t32mMaunsR = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe" 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe -
Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exedescription ioc process File opened (read-only) \??\U: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\X: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\Z: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\A: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\O: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\Q: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\K: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\N: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\R: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\B: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\F: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\H: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\L: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\S: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\V: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\W: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\D: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\E: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\G: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\I: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\T: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\Y: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\J: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\M: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened (read-only) \??\P: 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe -
Drops file in Program Files directory 44 IoCs
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exedescription ioc process File opened for modification \??\c:\program files\RedoEnable.mpp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\SetRead.shtml 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\UndoDeny.zip 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\UninstallSwitch.rtf 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\UseTrace.wmv 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ConvertCompress.tif 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ConvertSend.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\LimitConvert.ppt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\RemoveSave.ps1xml 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\ic4nx-readme.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files\tmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\PingReceive.vbe 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\RedoOut.jpg 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\tmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\BackupConnect.gif 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\StopHide.ods 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\UninstallSuspend.m4a 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\SplitAssert.ini 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\DisconnectGet.pcx 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\GrantDeny.aifc 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\HideOptimize.emz 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\RestartRestore.rmi 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\ic4nx-readme.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\tmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\tmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\CompressUnlock.mpv2 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\RedoUpdate.bmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\tmp 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\microsoft sql server compact edition\v3.5\ic4nx-readme.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files (x86)\ic4nx-readme.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ConvertDisable.svg 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\GrantResize.tiff 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\DismountReceive.pps 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\EnableUpdate.tiff 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\EnterUninstall.DVR 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\UninstallPop.xlt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ClearReset.cfg 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ConfirmWait.contact 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\DenySplit.001 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\ShowNew.m4v 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\SyncGrant.cr2 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File created \??\c:\program files\ic4nx-readme.txt 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\PublishUnblock.csv 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe File opened for modification \??\c:\program files\RedoStep.rar 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.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:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exepid process 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exevssvc.exedescription pid process Token: SeDebugPrivilege 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe Token: SeTakeOwnershipPrivilege 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe Token: SeBackupPrivilege 1060 vssvc.exe Token: SeRestorePrivilege 1060 vssvc.exe Token: SeAuditPrivilege 1060 vssvc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exedescription pid process target process PID 1652 wrote to memory of 796 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe netsh.exe PID 1652 wrote to memory of 796 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe netsh.exe PID 1652 wrote to memory of 796 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe netsh.exe PID 1652 wrote to memory of 796 1652 3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe"C:\Users\Admin\AppData\Local\Temp\3b0cf9bc480a7fc4a560ab26cd35a72313b1fa49bf6ef208c434a32b3f1588c4.exe"1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\netsh.exenetsh advfirewall firewall set rule group="Network Discovery" new enable=Yes2⤵PID:796
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:1624
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1060