sodinokibi | bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d

General

Target
bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
Size 116KB
Sample200801-td4jf4d6js
SHA256 bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d
MD5 90e6ea15ed18005b431e135186d57abf
SHA1 d8e126cd0f5f3f214989c3533fd22c7291c44174
SHA512 91690e64b9d39b2b1c0fb7575d75d632f5fbe1dd6c36b935ea2fde1e7bbbfc0e68ba50d73919f4cb2502d7e2b46fe98a3ddcb217b3cb1da77fc290e86031c60d
MD5 SHA1 SHA512

Score

10^/10

ransomware persistence sodinokibi

Malware Config

Extracted

Path

C:\4j13uu89o-readme.txt

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 4j13uu89o. 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 practice - 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/8856FFD5E2C6C8D5 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.cc/8856FFD5E2C6C8D5 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: p8LK7yDEvTWmPQO8JV2scgTjZi8vl8tlwrLJ3KfAl/X2rHn3raB5A+8ty0Zo7zNk tmwgkBtQyF6hAQN1aONUrPj/eTOk81J+zPzcC1iq339Y8Fy2+JtjCBkFc9UkU3qR YwLWkt1VYlYY9vfy7gq5nA/KviU+VhUDB/jT2O84N17dMXOYnNU2xVxoBgwivvw9 2/G5RCR59IbimDrkOfCBZSyNG3ZlDEmVGEmtTEClvhxPZTlzqfUiIAoKNQREjIWp 8yVXifG8rTS6RNb5eGOI39zQGcRz1gZRNHFiIRjeAFhecgzwI6gklzPXzdxds2H/ lEZ3diDxIv6A5hSPa88fQUfxB8zwo5/zPzmWOJ4UCIXA/B+Odas+u1+xnJgOpjI8 7vJFECvJF0XhKCc/vFG1pEcLIccTbPDyjbx6uKUqwdBV7WQVOpI8lnDDNSNmBcwX Lo2atFUe21HgU4wPOfHsUExU/77SAAVDwOJYqiDB4HeGfqwqq/IQRBTXtKWTKTpW vVoM+pBl995fRSiVFmeWyr0rWUl6QXiA03wOKVFn3wo+gdNDtl4ygbFcnATaMC40 vOchCtiCuUMj+M1HUWUR66YYCBfIeNW2A6VsJ263upi1+loE1zdrRVSsaAXbeQg7 fdwBnCcuMEjnHVez4ZC0YDlnmYoj0mW50x/nvP/2+91vmu8oLrkcu7Ss2JBxEdSp pDOda6e93A+6xfcDI8myUg3TKbPLkK9b4ntLXDVOETSCQWaIZEYGwC3oawXpqT1A DUjHBwU6y94Rt+lRM59fKjuOZ+rswQy+pBRkmZ+a87LEri6oUhR+TekawY6mQ0pa AzSukwzRvm6Jh4BW8XvBxTwU1Itpq9hXkGpYnIgAxxYBXHWPEBVNspFRk5YWGPFU nNWoopxv4xb15KMHHhxxDBzpK+OSc6uQLHDxkUvnvE9kQN0d4YDkxU5nWZlwg5CM VX42Df4lmP1GRUOQSE5b8tPhAV0I08AIxumAxEwH2a0kVOE6hq91Ep/AmNBAQTsf oXwVH0I0uOEGaJ2YGIZrpndVOVK/uoDruAIIi3WlrYCM9hvFM2RrAbzPcfoMsXv8 MG3Eq1Pp/5o9mPI9Rw6LutXpRKrARsJqGaxqzzqDN4JsjF9x01694M9FGaz4ObXn uvPi20kNLhTZyq9KOyCfegzsqLu92WdDxNodDm+tw8pbKRizwQgtaRVcZafGF05L 41zGtQtftYixoi1MyFnTJUC6QGkt6HLuJZxRGzDTaqa+8HJnc5T+3EeGSQrfEbzI fQ7XkA+Polyp2rYirEs6CBhE12opTw== ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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. !!! !!! !!!

URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/8856FFD5E2C6C8D5
http://decryptor.cc/8856FFD5E2C6C8D5

Signatures

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
3008	powershell.exe
3008	powershell.exe
3008	powershell.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	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\\4r4538ph0.bmp"	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeBackupPrivilege	3364	vssvc.exe
Token: SeRestorePrivilege	3364	vssvc.exe
Token: SeAuditPrivilege	3364	vssvc.exe
Token: SeTakeOwnershipPrivilege	712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 3008	712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	67
PID 712 wrote to memory of 3008	712	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	67

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

description	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

Drops file in Program Files directory 19 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\RedoLimit.iso	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\UndoSet.au3	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\WatchOut.mpeg3	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files\4j13uu89o-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConvertFromGroup.bmp	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\GroupSend.vb	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\JoinGroup.docx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ResumeWatch.css	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RevokeGroup.clr	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\CompleteReset.jpeg	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\CompressCopy.ods	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\StartUnregister.docx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConfirmClear.potm	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ExitApprove.jpeg	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RevokeConfirm.reg	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\SwitchExpand.xps	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files (x86)\4j13uu89o-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\AssertSplit.potx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\CompareDisable.vssm	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\ExitOpen.png => \??\c:\users\admin\pictures\ExitOpen.png.4j13uu89o	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\GroupDismount.tif => \??\c:\users\admin\pictures\GroupDismount.tif.4j13uu89o	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\FindClear.png => \??\c:\users\admin\pictures\FindClear.png.4j13uu89o	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\SearchCheckpoint.png => \??\c:\users\admin\pictures\SearchCheckpoint.png.4j13uu89o	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\CompareOptimize.png => \??\c:\users\admin\pictures\CompareOptimize.png.4j13uu89o	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

C:\Users\Admin\AppData\Local\Temp\bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
"C:\Users\Admin\AppData\Local\Temp\bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Sets desktop wallpaper using registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- Drops file in Program Files directory
- Modifies extensions of user files
PID:712
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3008