sodinokibi | 9fb4aca06e67c01e6ae8c11817428cfb8e9206d9bf2fe1126af8bfef3d16835f

General

Target

YBAHw19X.exe.dll
Size

116KB
MD5

c6dcff3157df6baed69092a977d0ec63
SHA1

5114221dd8e4e0b50f04b92e0ec2be442ba5e0e1
SHA256

9fb4aca06e67c01e6ae8c11817428cfb8e9206d9bf2fe1126af8bfef3d16835f
SHA512

65d54a46d3acfc460e9a5a4978457066016e8c0643643eab3038c74be2fe623c019aa10db67f0e79a6a339b27d377bebc8bf8c90bdb29fe41d69942b8410f338

Score

10^/10

ransomware persistence sodinokibi

Malware Config

Extracted

Path

C:\jqi739152-readme.txt

Family

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 jqi739152. 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/810361ACE3B05675 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/810361ACE3B05675 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: yWm4s6ZqTJMvQLFKcW0Xzr0g9vi8co1bxymiOXlqp92h3yINLzrtjeMzfHNk2R7I WbiMMJarFX3bCUrZFxpekU3CmbZHEtk85yQMGMthFIoOUiJiq2NPvKs9DbcgrQ/s AKJ+8r9AX/5mrLI3z71vyjc1ZnJDXOsSEr9KhUNO8OHQaxagbLP2JS6EsA3IXbpw HW8LJ06qKmirlzbfSOdmmndQk72G5nIeOZl4VidQ8GmIil8KqHuvdettfAjQ598/ +XxVb6fr/GBDMQzs61Fmu6G49BijKCE++dJfYkuKID4Vrx0Z88p4uFmgHaLSidrh /Ssl+DqhNSvQjcJ95cukJv4QNB/iLXsn0XfEzF4LiGLA7elaeyPH9SjgKm416Ozt PyLogK8m+eSqMEZ1P2S9aiJZtuSWJxKDw0TZvdpKO4z1C+gp/W8Ko5Vj7J+TPHKI qZ/3np7ezVDRgku9XMyWUQmRok/3T299U0iSLLG3TfcAlDIInDRAjL6xEpDy1Z17 ZRYLLXFRgUehECEOcfsreUXURzufgAMx+li+eZOHxhGpATS01r9fK50IZrNCBGr/ Y5uazQ3/y4chFwQOB9JYW69Jx+vF78JevCoJSQcxHzg7rG4/XjN/aCD0BDKceBao Q+vWruF7C1qqalTupTdVH8cxlLCwxSgmToIzqoBZMaVG3S5B4H7/P6bb31F5YMUJ BI2whQScTzN6rz2t5FZ35pOQNmMBdf09H5lN9kqvBSX3maRssjrP3UiBaaFhCDPh Z5ynCg77q3qI/UncRR0e9Wflr1N51Lrs/SmirKzc9Qp9cnN7okk0yLoM6c3hzRQT T1Kb3R0H1sGORo8VkiXEE5F4L+gDF4Nv0Hf6UCebd9aAvTgZ+u7Wqj/UiHG9asA1 SZ9tC4O/rn68gXxcQJI5WfRMz+96CZfuRAvisqRo+45p7VqkHspVMUVQnvR//yRE FSlTY5LFF0VS+kh0zLZK/N61Qm5VbyEtq8CtPiGOGDUBc1DOQVOJ8f4AjP5fKmY/ w0VwncZI2gRc2ksNcAQ/m+xGzpaxXQpFmaqJjTUXpRg3JoU3qAjqSlEJsDgL4DqW +y/Ct+kfLOp/oof6+uPlpcLuCxbDsbc++DI6tGFPcSxbcW62xE9fQs8GG74/Occ3 KOqStvxZrhfHVdzfTKtNK4V/i3+EdLFtbAx2uHuGem7Pzh+Kw0JmcATQoPJAyjsO 2eHuw6+0WXgoHpW+aC5t2J+dfTqvK53gGzoxb5+HszfcIZr9gwnfKdMBUb6cDbMt sRi07k6uBYhNM71/mEZ1h5sZWQOQcA== ----------------------------------------------------------------------------------------- !!! 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/810361ACE3B05675

http://decryptor.cc/810361ACE3B05675

Signatures

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

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ExitOpen.png => \??\c:\users\admin\pictures\ExitOpen.png.jqi739152	rundll32.exe
File renamed	C:\Users\Admin\Pictures\GroupDismount.tif => \??\c:\users\admin\pictures\GroupDismount.tif.jqi739152	rundll32.exe
File renamed	C:\Users\Admin\Pictures\FindClear.png => \??\c:\users\admin\pictures\FindClear.png.jqi739152	rundll32.exe
File renamed	C:\Users\Admin\Pictures\SearchCheckpoint.png => \??\c:\users\admin\pictures\SearchCheckpoint.png.jqi739152	rundll32.exe
File renamed	C:\Users\Admin\Pictures\CompareOptimize.png => \??\c:\users\admin\pictures\CompareOptimize.png.jqi739152	rundll32.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

rundll32.exe

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\\eom.bmp"	rundll32.exe

Drops file in Program Files directory 19 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\ConvertFromGroup.bmp	rundll32.exe
File opened for modification	\??\c:\program files\RedoLimit.iso	rundll32.exe
File opened for modification	\??\c:\program files\RevokeConfirm.reg	rundll32.exe
File created	\??\c:\program files\jqi739152-readme.txt	rundll32.exe
File created	\??\c:\program files (x86)\jqi739152-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\ExitApprove.jpeg	rundll32.exe
File opened for modification	\??\c:\program files\GroupSend.vb	rundll32.exe
File opened for modification	\??\c:\program files\RevokeGroup.clr	rundll32.exe
File opened for modification	\??\c:\program files\ConfirmClear.potm	rundll32.exe
File opened for modification	\??\c:\program files\JoinGroup.docx	rundll32.exe
File opened for modification	\??\c:\program files\ResumeWatch.css	rundll32.exe
File opened for modification	\??\c:\program files\UndoSet.au3	rundll32.exe
File opened for modification	\??\c:\program files\WatchOut.mpeg3	rundll32.exe
File opened for modification	\??\c:\program files\AssertSplit.potx	rundll32.exe
File opened for modification	\??\c:\program files\CompareDisable.vssm	rundll32.exe
File opened for modification	\??\c:\program files\CompleteReset.jpeg	rundll32.exe
File opened for modification	\??\c:\program files\CompressCopy.ods	rundll32.exe
File opened for modification	\??\c:\program files\StartUnregister.docx	rundll32.exe
File opened for modification	\??\c:\program files\SwitchExpand.xps	rundll32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exepowershell.exe

pid process

336 rundll32.exe
336 rundll32.exe
3560 powershell.exe
3560 powershell.exe
3560 powershell.exe

pid	process
336	rundll32.exe
336	rundll32.exe
3560	powershell.exe
3560	powershell.exe
3560	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	336	rundll32.exe
Token: SeDebugPrivilege	3560	powershell.exe
Token: SeBackupPrivilege	3352	vssvc.exe
Token: SeRestorePrivilege	3352	vssvc.exe
Token: SeAuditPrivilege	3352	vssvc.exe
Token: SeTakeOwnershipPrivilege	336	rundll32.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 720 wrote to memory of 336	720	rundll32.exe	rundll32.exe
PID 720 wrote to memory of 336	720	rundll32.exe	rundll32.exe
PID 720 wrote to memory of 336	720	rundll32.exe	rundll32.exe
PID 336 wrote to memory of 3560	336	rundll32.exe	powershell.exe
PID 336 wrote to memory of 3560	336	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YBAHw19X.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:720

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\YBAHw19X.exe.dll,#1
2⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3560

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3848

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:3352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/336-0-0x0000000000000000-mapping.dmp

Download
memory/3560-1-0x0000000000000000-mapping.dmp

Download
memory/3560-2-0x00007FFFBC9F0000-0x00007FFFBD3DC000-memory.dmp

Filesize
9.9MB

Download
memory/3560-3-0x00000182798C0000-0x00000182798C1000-memory.dmp

Filesize
4KB

Download
memory/3560-4-0x000001827BB80000-0x000001827BB81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads