sodinokibi | bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d

Analysis

max time kernel
147s
max time network
6s
platform
windows7_x64
resource
win7v200722
submitted
01/08/2020, 09:48

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General

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

Score

10^/10

ransomware sodinokibi persistence

Malware Config

Extracted

Path

C:\g99p63b-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 g99p63b. 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/E976AC921A981160 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/E976AC921A981160 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: Tita7S524UxyvlAEjnjpjqIiZVeLwmtq8l/xaCFU58ngtOHweSwuPrBbZ6piuuEq tojSSpNW3nTOsaxbMHBKk+LSfx5piR1ZNBnoUhGwd/1unaUxeaKAjPewq+E/JX++ 4YdkubzO+OnMHq/3DUjS55cpz+PMIH1Mzk+Rs15QmKHitRCdanW92jYGH/aJcBe3 n37JM1/C8G4sFVK5Wi+jDY685fRCB5dt0AveZkE+cPc4Eea6hKLXk/umr3lNoGL1 DfaaSVG9lwqO+9zt8dUkTzlwd4V6yOKg7lmKkc1gT4tdRUxxOHTi2pU+GcDSUGia ANnzPKJi3uVmq2TYRUd8QRQSW95IRYNW181ektIac3jX4epxgYv30Qconxqj5QRV 8b0+K4gX4k0pslP23eJD2dcvIN47Gme2tqX8kZZTWuamIrTjqa4tjwP1zWucybn8 cP8bgpEHX5Nx5rx/6VKVbbrkGFCcY6LvhY1dlFve+NG+eA0RNeGXP5qTUwe2KVa2 +aPORtlGw/7rDw3hMGMRVfrEsP4ifd8vMh4OdgWZyultTmwMMSrJs4B85h52BSbf XDepjSN5L/ZbXDgTaCxMQ8dwK6UIoM/FCfcB1V2fj8rjt5wp9a+4b1uRU3+MuXX3 8CB7TL10hu5TX1wD2feAoVHUN3hXfKbxgox8uLj6cQaklpExoVI05SsXUhBh+ord WkX4RwaGEfDuwqBPNAUAzsHtDrPZAMo2ARatea8PVGMD13ZjJe7QOdnw6x6ikfYE nZwbELEvt2Kj4iZYTAjuskRJxgwy/XrfjPKE3QIRMxhiLE0XEpFvMQzOw10tGLkC lftLRev4UmV5h/UuQbf3biWI5YvuVeh1NTsRuwSYNZtekYLbrwyZK57Ukb2afJPQ 9DZiNAakZ7PyNyQEbBOlq7L2Ll6tPP70F9xPWEDi+gEtCx8+5iG8Br3rnkRLITDN QGZ/BgYuNWJqfQ8BPlK955ziqYECX6WMAc5ziTIu+BN4e4mUiU+6kAUkC4YLUgUz JM0ivBtTMcKhTgo6MuZEwP6bB4jFYHl9ofeWpAhRsKqhNjtFe7c2aIrJ3OlafMn1 2FywwPYpr9u1Q72DZaEZ+T1+eejvkDNVeU6v3+o4DR0v68ZXtd3NyGk8dn20ZJaZ MjQL8FiiIALKf3AN7fzvlp5Sc6wGcB7x2nk2J9ttdB3B9jY98EGrPNbiPyIaBOf+ oeWNR524MFDj2uxcqrrZL4DgNLvvYQCN4SUrH26HPzM21Q7ZhrGsRw/96gPpt/cq WA1IZEbfcHvTJ8cVHRQu09G/FSF+1IZe+opkPW/1HvYAVA== ----------------------------------------------------------------------------------------- !!! 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/E976AC921A981160
http://decryptor.cc/E976AC921A981160

Signatures

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bik0t446i89.bmp"	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

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\ASR Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
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

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\CompleteRedo.png => \??\c:\users\admin\pictures\CompleteRedo.png.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\CompressNew.raw => \??\c:\users\admin\pictures\CompressNew.raw.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\DenyApprove.png => \??\c:\users\admin\pictures\DenyApprove.png.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\InstallUnblock.crw => \??\c:\users\admin\pictures\InstallUnblock.crw.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\SetResize.raw => \??\c:\users\admin\pictures\SetResize.raw.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\UninstallConnect.tif => \??\c:\users\admin\pictures\UninstallConnect.tif.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File renamed	C:\Users\Admin\Pictures\UseRedo.tif => \??\c:\users\admin\pictures\UseRedo.tif.g99p63b	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
Token: SeDebugPrivilege	384	powershell.exe
Token: SeBackupPrivilege	1908	vssvc.exe
Token: SeRestorePrivilege	1908	vssvc.exe
Token: SeAuditPrivilege	1908	vssvc.exe
Token: SeTakeOwnershipPrivilege	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
384	powershell.exe
384	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 384	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	24
PID 1620 wrote to memory of 384	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	24
PID 1620 wrote to memory of 384	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	24
PID 1620 wrote to memory of 384	1620	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe	24

Drops file in Program Files directory 35 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\InvokeNew.midi	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files\microsoft sql server compact edition\g99p63b-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\SplitHide.gif	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\UninstallResolve.mpeg3	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\g99p63b-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\desktop\g99p63b-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\InstallPop.ttf	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\StopUnpublish.docx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\SwitchImport.ppsm	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\GroupCheckpoint.vdx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\OutClose.mov	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ReadConvertFrom.zip	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RedoComplete.ex_	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\UndoTest.au3	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files\g99p63b-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConfirmRead.xht	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConvertToJoin.wvx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\GrantComplete.xlsx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\InitializeProtect.eps	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\MergeFind.wma	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\MoveSelect.edrwx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\OpenHide.vdx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\PopRegister.clr	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File created	\??\c:\program files (x86)\g99p63b-readme.txt	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\FindReset.wmx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RepairPop.docx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ImportInstall.vsdm	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ResolveConvertFrom.xlsx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RevokeStep.docx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\TraceCheckpoint.mp2	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConvertCompare.mp2	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConvertToInitialize.mpe	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\RevokeResize.dotx	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\ConvertToUpdate.vdw	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
File opened for modification	\??\c:\program files\UnregisterInitialize.dotm	bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe

C:\Users\Admin\AppData\Local\Temp\bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe
"C:\Users\Admin\AppData\Local\Temp\bbcaee51155609d365f6bb297d124efea685df0243ec1d4efb5043d9afe5963d.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies extensions of user files
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Drops file in Program Files directory
PID:1620
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious behavior: EnumeratesProcesses
  PID:384

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:1540

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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