sodinokibi | 850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117

Analysis

max time kernel
138s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2022, 03:14

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General

Target
850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll
Size 164KB
Sample220725-dratxscfaj
SHA256 850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117
MD5 70a0ec794a640530578d147fe1f3a60f
SHA1 8e393545acd5751edb42032be3e0b0e8c4eee2a4
SHA512 2f81c8cd360d2653bf13c485ebd8e6eebfcc95bcae96e001deee310291c91877495144498c83f9efda31c6ce697d55d7ce80e98ae37e36e226bcee5aa39c73c7
MD5 SHA1 SHA512

Score

10^/10

sodinokibi ransomware

Malware Config

Extracted

Path

C:\o538rd-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 o538rd. 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/ACA8B3DAA0FA92EC 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/ACA8B3DAA0FA92EC 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: 7NKIUKVvIzCa1tglQ5g1tlCX+yuCe9Gc7lnoYTR5NZmMV6w/tH4M5XJJqELsXYS/ PiEWEMqAq4yzZWnKgXbECBVeSugRKFLaEmQVILXsWskBHpvFXWJY1FcCjoc8CCIJ rUhRv6c45Jcxp4+c5RjftULSt/ksU60qWpYBXb+LN+Ej0TEP415R0OPpetwMxr+O O5lOJ+iUfTvuYhd7b68GdrC1jI7FS7m1T3tI4TqKxH9RmLj2HfcihhwSF55tF8Ky L2+u4eXd1kViEZ1aLhoJ3J4gxY8RPMdGwlgajZKjCd4pxEBVMEpti5nMvFc9FhZe 7mmWlIzDIefcqEl37spOCZIBoVsKv/94T3VvH7C4x8GJ3QeQHHloRUuggW/ea+1d cr8AOGev/PYh6NZ5Aa0ClHB9Q0Emm8NdneOlX3uLz8h7SKpMQIVYTR94M5IIrdwC BczS1USFOd0K/gisLNZ7SQsQc1ZdNLe+3/sCD0t8TtO/XfpsT6U0IiUkJ4RznxiT r1izP+Yt2ldtClqhFujF7a1jdPFqVUYv816/R8W1Huj2rhsWqgG8/WLdOXgLBWL+ reKD10ONWavVsb8Nv7sG6VLgQomJD03HMxUhOk6QHzVjIQy55W6ffOew0dqT8tj/ OOGI5DZVLqFZi3EGhaBoIs0fKitLWQ/Nzuq8i8XTIu47+XfjDOgsUWsawlxi8Bsh gigYe+1quFsz7VlEFh9wydSyKowA/kmSRhAMKQawwmqjXOJSQJ7LOFiKIWJvl+JS fwhge6K05Hvr0Zk91WEQfE2PkkiKMgNj2LffxvbKoJmf0A1XYXQjdtWRufsdwi++ t/5dNjFyjKgAi7+z+YvmH7aEw8wvfuUqkmH3rsE0GhTqFnfPIIcAhk6qlIW1r9Ne J7CUnAT6JQsxoC+mJQYIDAJw51ZRPKsfMv4gg6HTHy2yhbh/f1EERrK5tJgwqftD CYFIwtKA7TRdFTGIQAOSONtqCrO54tEflQYPmLU1PqsLYhMKiZ5ZTFJpDvJFdcaa 5e/kdyv9rKXdzcfsFKjmHpNf4H4DorlA5Y93rktZxK+xjEwDxAq19fJL9QOmC+JH JlOP81tepeA2BsFBAHEjfErILQk9PAc0z6gLdLsOok3K/MM/1TIxvXcsz/sAbz9V sHUuuoRyTkH+TQ== Extension name: o538rd ----------------------------------------------------------------------------------------- !!! 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/ACA8B3DAA0FA92EC
http://decryptor.cc/ACA8B3DAA0FA92EC

Signatures

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

Enumerates connected drives 3 TTPs 24 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)	\??\A:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe

Drops file in Program Files directory 34 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\RedoCopy.nfo	rundll32.exe
File opened for modification	\??\c:\program files\ResolveSend.pptm	rundll32.exe
File opened for modification	\??\c:\program files\UpdateRequest.DVR	rundll32.exe
File opened for modification	\??\c:\program files\ExpandLock.mov	rundll32.exe
File opened for modification	\??\c:\program files\ResizeSelect.kix	rundll32.exe
File opened for modification	\??\c:\program files\ResetFind.ods	rundll32.exe
File opened for modification	\??\c:\program files\EnterApprove.ppsx	rundll32.exe
File opened for modification	\??\c:\program files\InvokePop.jpg	rundll32.exe
File opened for modification	\??\c:\program files\SwitchRedo.ADTS	rundll32.exe
File opened for modification	\??\c:\program files\TraceConvertFrom.html	rundll32.exe
File opened for modification	\??\c:\program files\ConfirmUndo.7z	rundll32.exe
File created	\??\c:\program files (x86)\o538rd-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\CheckpointLimit.odt	rundll32.exe
File opened for modification	\??\c:\program files\EnableCompare.odt	rundll32.exe
File opened for modification	\??\c:\program files\StartRestart.xps	rundll32.exe
File opened for modification	\??\c:\program files\UnlockOpen.vst	rundll32.exe
File created	\??\c:\program files\o538rd-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\NewSubmit.mpeg	rundll32.exe
File opened for modification	\??\c:\program files\RemoveDisconnect.mp2v	rundll32.exe
File opened for modification	\??\c:\program files\ResumeSave.vdx	rundll32.exe
File opened for modification	\??\c:\program files\SyncRequest.xlsb	rundll32.exe
File opened for modification	\??\c:\program files\UnpublishSuspend.docx	rundll32.exe
File opened for modification	\??\c:\program files\MoveResolve.cr2	rundll32.exe
File opened for modification	\??\c:\program files\MergeRestore.css	rundll32.exe
File opened for modification	\??\c:\program files\RemoveUse.asf	rundll32.exe
File opened for modification	\??\c:\program files\ConnectCheckpoint.tif	rundll32.exe
File opened for modification	\??\c:\program files\FindExpand.dotx	rundll32.exe
File opened for modification	\??\c:\program files\LockTrace.M2V	rundll32.exe
File opened for modification	\??\c:\program files\SetSync.vsx	rundll32.exe
File opened for modification	\??\c:\program files\UseRestart.crw	rundll32.exe
File opened for modification	\??\c:\program files\DenyUnprotect.vssx	rundll32.exe
File opened for modification	\??\c:\program files\DebugInvoke.css	rundll32.exe
File opened for modification	\??\c:\program files\RestartLimit.ram	rundll32.exe
File opened for modification	\??\c:\program files\AddHide.001	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3372	rundll32.exe
3372	rundll32.exe
1796	powershell.exe
1796	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	rundll32.exe
Token: SeDebugPrivilege	1796	powershell.exe
Token: SeBackupPrivilege	1064	vssvc.exe
Token: SeRestorePrivilege	1064	vssvc.exe
Token: SeAuditPrivilege	1064	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 3372	4228	rundll32.exe	81
PID 4228 wrote to memory of 3372	4228	rundll32.exe	81
PID 4228 wrote to memory of 3372	4228	rundll32.exe	81
PID 3372 wrote to memory of 1796	3372	rundll32.exe	82
PID 3372 wrote to memory of 1796	3372	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\850b23e1ed71a675459cc210972ade5c86b1d7fc4f1c337de2a8c4d820883117.dll,#1
  2⤵
  - Enumerates connected drives
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3372
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1796

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2092

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1796-132-0x00000286B3F10000-0x00000286B3F32000-memory.dmp

Download

memory/1796-133-0x00007FFD7C1F0000-0x00007FFD7CCB1000-memory.dmp

Download

memory/1796-134-0x00007FFD7C1F0000-0x00007FFD7CCB1000-memory.dmp

Download