Analysis
- max time kernel
177s - max time network
162s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
24/01/2022, 01:06
Static task
static1
Behavioral task
behavioral1
Sample
c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe
Resource
win10-en-20211208
General
- Target c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe
- Size 164KB
- Sample220124-bgflbahcc5
- SHA256 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff
- MD5 5265f0a3ac7923dbd8652b26f6a6a66d
- SHA1 2965318e838ebde9132f1fd847c4f8be2f6d10b2
- SHA512 649daab72ce47949921c3d69abe620d7465470988b141535eafc4237b997881450936ec42b4db14b4caf407df9da03eecfe32516d611952489b3493fadad5917
- MD5 SHA1 SHA512
Malware Config
Extracted
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C:\6wr467y1a-readme.txt
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sodinokibi
- ---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 6wr467y1a. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practise - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/91ACD3DA8FE6B809 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decryptor.top/91ACD3DA8FE6B809 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: lMgTwAgFUfva4kV2I5L0+V8wNhiVjrmfPUXV0xiKREeSeuO5NlZz7nsIWjoND9dc wnZ0pj9j7CgAkQQNBBfxsRvEfA1FwjIDLh1kiHiApdPkgTtJ1XBENI+8uxHQEFta 5h/Wmwl/x8qVFueey5JPPkEbGs4PmNoeiff7ndhSwW5EA7ZWCfWZLqggufyuVovE PlwXRjuSGiCh7tZGKBnXnYMvPizijK8SE5B5peSat3z/bhQY3xTe2vxlz/Z/DFoZ DUeEaEun+sVSe+CaMDTH5h8AzUV4cI0DGKYMgdTOBK3YtodCG0DTUmbSmTHalBYy U5/mR7Dxd8jfJnGQh4ksVcb50cMQcSE2Kr9AZWejB+82Ap0V9VCP1iFgyVSiiXPg +cG7iWEcvdM/4uk4KV2DBaJE+W6jkLj7hq7AX7Z9CpMCITwvbBk3mGstEs0f0i2o QJVKxul+Rj8yc1pxeZPOWNdw4f0uRY+QksuUoZIsgSG3Ni+Nqzn0u87emk60Q8mL Mer26Bsau8QGWW/b0cN9aKLtlloaNnpUMUzevzdQrIFzsSqs/lp1qQD4jQyNu1qA /SIu38xMSwP/PoL9qBOLh1PTVmrw4FBQfhmzr2lZ+SJq5ruXSwTko1B8MkAtp/T4 ohRa19oQ9242cRrsGhvnr7S6l+4prWLInO3QYOYd3hFmn0jU9YjaRjHRgODYb84+ DjXuljUDZNNIby7s6uDhijX8sZ/SNk9sBS19xTzHStLnCpmCfJiq4LOlPXLaZ2Dp ivP6Hxd4h2Vq1BsEXV1G4RlpIUGPpCJDHkvUT8Wa2/oZ6qCOEmi3hGaCIvBelkBb o3uUlW+R1bM1F5YvciidhtJhNHEwhBoFYOwjC1OyZfp1HJomPdFGEZYPhjGlJsqm AjNWBhl9ixLZDCtd5RhA+F+WjkT0xGMIJGlZAT4lmLhPkvz9p9UgTuxkfjAbpnNM 498wsGm7ogNunqdcIcAqWz5y8040x6gIatJ3bpVzWXVjk8zDJxOeMmmBvaqwbyzZ Ftd1INL65GTjk52X5fq9rO8doCy6762RYLWywLN4hdCm8HNxp0wASUgDW+VRW8C3 IwHJDf0jf3cGmUzAu/pFW4DE3mCqGfDmjFfAJF5OyVFjms8WuQcnSNs7GbZ0xJs2 Extension name: 6wr467y1a ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
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http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/91ACD3DA8FE6B809
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http://decryptor.top/91ACD3DA8FE6B809
Signatures
- Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
- Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Modifies extensions of user files 8 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ExitResume.raw => \??\c:\users\admin\pictures\ExitResume.raw.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\LimitGrant.crw => \??\c:\users\admin\pictures\LimitGrant.crw.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\RegisterSwitch.crw => \??\c:\users\admin\pictures\RegisterSwitch.crw.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\UseCompare.png => \??\c:\users\admin\pictures\UseCompare.png.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\users\admin\pictures\BlockMount.tiff c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\BlockMount.tiff => \??\c:\users\admin\pictures\BlockMount.tiff.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\AssertRedo.raw => \??\c:\users\admin\pictures\AssertRedo.raw.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File renamed C:\Users\Admin\Pictures\ConvertFromInvoke.png => \??\c:\users\admin\pictures\ConvertFromInvoke.png.6wr467y1a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\I: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\S: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\U: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\W: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\X: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\G: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\K: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\M: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\O: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\P: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\V: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\Y: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\Z: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\J: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\L: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\N: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\R: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\F: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\B: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\E: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\Q: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\T: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened (read-only) \??\A: c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe - Drops file in Program Files directory 28 IoCs
description ioc Process File opened for modification \??\c:\program files\EditRevoke.tif c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\InstallDisable.ogg c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\DisconnectGet.easmx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\ResizeLock.eprtx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\RepairSkip.mpp c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\GetCompare.cfg c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\RestartDisconnect.M2TS c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\GetBlock.aif c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\CompleteWait.reg c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\EditReset.au c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\EnterSearch.asx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\GroupClose.DVR-MS c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\TraceClear.htm c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File created \??\c:\program files (x86)\6wr467y1a-readme.txt c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\CompareStop.txt c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\CompletePush.mpeg c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\ConvertFromResolve.tif c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\DismountApprove.vdx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\ImportExit.ods c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\RestoreRename.MTS c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File created \??\c:\program files\6wr467y1a-readme.txt c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\OptimizeMove.asx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\ConvertToHide.cfg c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\InstallUnprotect.m4a c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\OutSelect.rar c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\RegisterPop.edrwx c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\TestSkip.ppsm c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe File opened for modification \??\c:\program files\MeasureComplete.3gp c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3660 vssadmin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3968 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe 3968 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2980 vssvc.exe Token: SeRestorePrivilege 2980 vssvc.exe Token: SeAuditPrivilege 2980 vssvc.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3968 wrote to memory of 1160 3968 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe 73 PID 3968 wrote to memory of 1160 3968 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe 73 PID 3968 wrote to memory of 1160 3968 c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe 73 PID 1160 wrote to memory of 3660 1160 cmd.exe 75 PID 1160 wrote to memory of 3660 1160 cmd.exe 75 PID 1160 wrote to memory of 3660 1160 cmd.exe 75
Processes
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C:\Users\Admin\AppData\Local\Temp\c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe"C:\Users\Admin\AppData\Local\Temp\c5f71ac7aa3ec91e71febd389a8b7ac5279dca96b1dcd94003c0a5e8f187c7ff.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3968 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet3⤵
- Interacts with shadow copies
PID:3660
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2300
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2980