sodinokibi | 7559e6ca8b77400f88bf4e67208a1c32570a670068eccae9e3d226cc5471bd47

Resubmissions

03/02/2025, 21:57

250203-1t5hmsvmat10

03/02/2025, 04:37

250203-e896saslgn10

31/01/2025, 18:35

250131-w8gmxatmc110

Analysis

max time kernel
726s
max time network
532s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250128-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
03/02/2025, 04:37

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General

Target
bazaar.2020.02/HEUR-Trojan-Ransom.Win32.Sodin.dll
Size 164KB
Sample250203-e896saslgn
SHA256 5bfb1237443e270d7297a9bb2d4cc44cbc4f3ad0f71db00012a4cc0ae461e6d2
MD5 8b24ea434d60f99e1ff50810fb8d28da
SHA1 259f3974763f09d57129b3881b427fd9d30358d8
SHA512 aed4d982bc7b4513abf5ba237f562cca1332a2997c8826c81a262fddd64de9074f073f88aecd03ae901d58f9e677cdf5c59f61222606fa5e7da20ade96776371
SSDEEP 3072:BrX1t2U05pbJ5xhxY9doh7O79siUs/Na8hvRlmu:BrltH05f5v2i7O93NpvR0u
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sodinokibi discovery ransomware

Malware Config

Extracted

Path

C:\Users\4s17f48-readme.txt

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your computer has extension 4s17f48. 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/80CEC063EDF15239 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/80CEC063EDF15239 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: KWnQEf6ciugp0/SI00L1wZvikWbTsLsQFw9RAyj7x0a36XF+S85bhSD9+DUKp3Nw WP0HRI+v61ohfno7x9tB9O7FC/HGSSkxcUhKT+t9IiFvXNAe1A+eJzukOCKmgzgo tr7YXvC9G/oaBQpoNB27uOWenq6AhAJX+TEx0OyimHsrfZzPwrzFFFFbZa1uaaki gsCDlWjt6hatJza2b9nKoXeJLF2jPjWzsOYaGSWqRkhEtT+HUpR70gbcBhEgarqx tv1HPdvedQzZecKM+YfZGxEfbZXyQ3B0NjMsaOigRnkW5p1isennKxihN62h4/1s aO8//g+7aJMWDqja6Z6Y66GB+o6ekrzt5DwJlCQrD/fXXhR1/8RmdWO5ZFLZ5KrZ xHO2VNv8YQ6biwwilg51MwIfMfHYcI1Z3yLr55h0WzFUAcTYlvJYQUMECMaP0u0N nPpiVqle7q/2DdErPc9JoaTkDbuZKA7ZCRMI9qeDbyd3ll0N4e98jcx8pSd0GeU/ cyChncM9vhATpJlEX0/7jqskTkAqnpdHW+dF8HoKU3ZjmMQkn4A1a9cTnF2VdgCK IRiA/9ERznec10SJ00CdrHivVQ6coixj+RI6U7gM/bjq+2A2Ku5tTdPpxSz0JHXy WC/5ANxqyw92yZ9nEb1mUMUYEgHtbZKljRi/CEPR7v+R7SxXC0VwU5+PBV1ZeRs0 ac3eQwSOljvH51ChrTaQo9m3T5vvczSWGtZ0H1WsHAwsjr4cQv2FA83Cp9oFeqPV 4WzAr8brUETHZS9IBt3p6DyjD08IpbWNRYLTo/dKe/129hMNwh5Gvkexi3930SBR FWnhk5sT/s0xj/IHK/SL+mhERDr1/vJMMaWSp1NNh5xAzAnrLhZ0j/ErKMaTgMgU nwQDEgoL3QCsrna/4XUekj3CcKCfHeH8REocKSIiFEmbzOhR+NH9JHaW0gh6eq91 4gT72eq2Vq26tKowokAztd5JScgcsA0ILqjL4zuQ3TP4MXme7Aq6aGciQ+BOk+hU 0kFiXPmlX3apdyllq+vBgpMJfDsaw/L1f/OZHXHm+9VP1D+h9E/dfUj0qjf8lud8 Kx63AzqcGC69y97Pq4Z4v220EZ0YLY/DlQn6zU7CIftFIZjXI1BAgLd/dPnv739h wM+30NHl8FR2dvZPCVRywR6JyRhsPqD6//vB0nZxPYEwSa3Ht86xyvNa0CXvcyxv iKBNFCDJtr/FvLz+tTtEhmmI4DijeOFq7bv2zA4FPgdh1ZiKCYGZuQ== Extension name: 4s17f48 ----------------------------------------------------------------------------------------- !!! 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. !!! !!! !!!

URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/80CEC063EDF15239
http://decryptor.top/80CEC063EDF15239

Signatures

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

Enumerates connected drives 3 TTPs 25 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe

Drops file in Program Files directory 26 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\OpenStep.wma	rundll32.exe
File opened for modification	\??\c:\program files\RenameLock.crw	rundll32.exe
File opened for modification	\??\c:\program files\SelectEdit.xla	rundll32.exe
File opened for modification	\??\c:\program files\TraceShow.wax	rundll32.exe
File opened for modification	\??\c:\program files\UnlockPing.wma	rundll32.exe
File opened for modification	\??\c:\program files\InitializeDisable.clr	rundll32.exe
File opened for modification	\??\c:\program files\InvokeResume.m3u	rundll32.exe
File opened for modification	\??\c:\program files\MoveInstall.dib	rundll32.exe
File opened for modification	\??\c:\program files\PublishEnter.vb	rundll32.exe
File opened for modification	\??\c:\program files\SendPop.txt	rundll32.exe
File opened for modification	\??\c:\program files\StartJoin.html	rundll32.exe
File opened for modification	\??\c:\program files\SuspendDisable.mpg	rundll32.exe
File opened for modification	\??\c:\program files\SyncInstall.raw	rundll32.exe
File opened for modification	\??\c:\program files\GroupImport.zip	rundll32.exe
File opened for modification	\??\c:\program files\InstallUnblock.wma	rundll32.exe
File opened for modification	\??\c:\program files\AssertClear.3gpp	rundll32.exe
File opened for modification	\??\c:\program files\DisconnectRegister.i64	rundll32.exe
File opened for modification	\??\c:\program files\RegisterRepair.vbe	rundll32.exe
File created	\??\c:\program files\4s17f48-readme.txt	rundll32.exe
File created	\??\c:\program files (x86)\4s17f48-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\StartSplit.png	rundll32.exe
File opened for modification	\??\c:\program files\UnblockPop.xht	rundll32.exe
File opened for modification	\??\c:\program files\UnlockDebug.pcx	rundll32.exe
File opened for modification	\??\c:\program files\UpdatePush.ini	rundll32.exe
File opened for modification	\??\c:\program files\GroupClear.ppsm	rundll32.exe
File opened for modification	\??\c:\program files\RepairRename.vsdx	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
924	rundll32.exe
924	rundll32.exe
1596	powershell.exe
1596	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	powershell.exe
Token: SeBackupPrivilege	4996	vssvc.exe
Token: SeRestorePrivilege	4996	vssvc.exe
Token: SeAuditPrivilege	4996	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 924	1612	rundll32.exe	79
PID 1612 wrote to memory of 924	1612	rundll32.exe	79
PID 1612 wrote to memory of 924	1612	rundll32.exe	79
PID 924 wrote to memory of 1596	924	rundll32.exe	80
PID 924 wrote to memory of 1596	924	rundll32.exe	80

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Trojan-Ransom.Win32.Sodin.dll,#1
  2⤵
  - Enumerates connected drives
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1596

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3724

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

4s17f48-readme.txt

Path C:\Users\4s17f48-readme.txt
Size 6KB
SHA256 cf7c1c238fb7c65f6a58a503fb7379518beafbfbb54ed95bd6bbeac62607a9dc
MD5 f81daa1cbfb8eb885109f869defc8da9
SHA1 806f9280752ae01c7c022810186da01fdccd66f8
SHA512 28b434e79588db0908a07ad5ad64fdc6526e4468570bddeecf5cc8e7c8a26a432173fcdcdc08ffc116ef7fd79eb52d4c205322a99ab226973d70acc53dbe7d89
SSDEEP 96:GLcviNsgnxU3TPRQfzoMrOQRQRZJhevUqbMzGviWsxchAak0R8Zbd9PrR5u:GLUJ3jMzTrlQRZPuhKXchAak0mZTDW
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_bx0ungyj.cgd.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bx0ungyj.cgd.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1596-6-0x000002619B2B0000-0x000002619B2D2000-memory.dmp

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memory/1596-0-0x00007FFF87FE3000-0x00007FFF87FE5000-memory.dmp

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memory/1596-11-0x00007FFF87FE0000-0x00007FFF88AA2000-memory.dmp

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memory/1596-12-0x00007FFF87FE0000-0x00007FFF88AA2000-memory.dmp

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memory/1596-13-0x00007FFF87FE0000-0x00007FFF88AA2000-memory.dmp

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memory/1596-16-0x00007FFF87FE0000-0x00007FFF88AA2000-memory.dmp

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