sodinokibi | c35f35a9e54f35375bc2f72842d038c4121a5cc6314ac7cbabca6a8dc463cfcd

General

Target

c35f35a9e54f35375bc2f72842d038c4121a5cc6314ac7cbabca6a8dc463cfcd.dll
Size

164KB
MD5

81d10b00af8c31044ea7aa32e4958625
SHA1

2ae88e4d130eb6e57f6b03a8264f11d1a6fdfdcf
SHA256

c35f35a9e54f35375bc2f72842d038c4121a5cc6314ac7cbabca6a8dc463cfcd
SHA512

aabd830b5a342cbb67fbc76afe9d87acf1088b0309d4350b7bc28ba7d214f2cc667a790cba9e6fd283773180daab37e0d42ef4bacccb4ad1a493fa7675f8bb3e
SSDEEP

3072:v0XoUeZ/DVS8L73ea4MoCLfqQvFfDPGPWuUgR:veoUeZR2TRCWQFfDGMg

Score

10^/10

sodinokibi discovery ransomware

Malware Config

Extracted

Path

C:\Users\82rrs-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 82rrs. 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/633CE5B8AB4B7FC2 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/633CE5B8AB4B7FC2 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: IgEeSEeOpcWmGdGghBGqbY9Ccl50PIOtoh2E48CuEDymuf7rbq3NPhnKCkKSiVzj zpDDu6v47kWaYYn7tx7JaJYk2nVn+tHf5QtJke1fMk3Py8ACeGf9oTsa9f8NfmIG Lo03cDBCg4vC56lvg3dZDI2YFJWrigc8LJXgSVjVN7VLxcDWOkktFE+ycbpDc8TO LrjHTi6J5ED7Tmagy/u7g2FbQLSfOJVAJO4IxklHhVz3Sf27Qfuhj7JrOWELVWgp nojNQFkbcSaspLnF1JW5sxIK3+8rRZDNAAxLoab4R4tKrSxjyrHOvHQ6zOkGlxi2 9hzStpucUfh24UjP+bT2LgPMe9Go4BOFbIvnaHce7QU3727kqHeizv/Bhor2dHPx Cfm+s59YH+AGE7GFq0nDKIz2OIC7sp98dt2qFyUJ+X3SY2Ie9aGmV8jAHgKe7ZuD 6eICGnEFQpsKiqMFBENCIRTAB0rLRqxdDQdu5fgAWNqZBcMa0dBo7wQvyo6VVQVU aCniGpOAf0hlo4dnBD1PTZCT+dlSs6MKQ0BjdIRNQMt97TwmEOYe3nuba7GwUSHD qESHPSrXbep5MbMdzpITW7TNm6KFOWS25RwZxJHYB8fb6lck0ZM5tHv8hxkyCO9e XD+RvKEh8xtaDmzLRb/PPpkrgTN8+XMEZyB2rTACNFDlikOE0QZ/+2Pw/6DqtWyu tDtsJxdaB+DocKbXcMfq/4EvsnXLQURMCs8W/8emsfhbCvmff7D1Bev7cuAk9D/m eVuogYbVHrUtCu0ACK50aG2c2UlYerioIqjKuSZjnYiYQ0/VRqZLBkuZbqCMw38x dV/BRv9tDlBw3SrhqCtnJAtyUP+LC+NyW1a8Fq3iBeGnkn2iBIcL9MF/XZP4GtPi rutVaiDrTraucWz9BuYTRvAluQ6nPlJRDJYbeDwr+N7NmpctQEYYyz7E8ZcbybPN IFND7xi/wKUGGS+d2FBkw/JHrpfBTliNA7QioNUNVTZAjrD1d7XbIR/46IOKbvAi bACGpPcw0p2pSlZrXmZQA1y+irmL6g1kjrNMOhAhMfevGg1aHaR9j04al8mNxJxC 1FtXpAm7RQi2jcJ3hh1YaqCseD2HjFOUTHf9kfx2js+bnmt86mRFN4CP8Qj6pFd7 3vP3puMs4ROkibWPsukE7nhin/nge50jmj8tFGA39rdCc6mhRWWU3P7gdDAg8I61 0mMAcEjXTxmrxxSYylgfCQ== Extension name: 82rrs ----------------------------------------------------------------------------------------- !!! 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/633CE5B8AB4B7FC2

http://decryptor.cc/633CE5B8AB4B7FC2

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware 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)	\??\J:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\ClearUninstall.m4a	rundll32.exe
File opened for modification	\??\c:\program files\GetLock.mov	rundll32.exe
File opened for modification	\??\c:\program files\LockLimit.vsx	rundll32.exe
File opened for modification	\??\c:\program files\SaveTest.vsdm	rundll32.exe
File opened for modification	\??\c:\program files\WriteGroup.mht	rundll32.exe
File created	\??\c:\program files\82rrs-readme.txt	rundll32.exe
File created	\??\c:\program files (x86)\82rrs-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\ClearPing.odp	rundll32.exe
File opened for modification	\??\c:\program files\DisconnectUse.pps	rundll32.exe
File opened for modification	\??\c:\program files\EnableRename.vsw	rundll32.exe
File opened for modification	\??\c:\program files\InitializeCheckpoint.potm	rundll32.exe
File opened for modification	\??\c:\program files\ResizeDisable.pcx	rundll32.exe
File opened for modification	\??\c:\program files\UndoSend.rle	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
3592	rundll32.exe
3592	rundll32.exe
3276	powershell.exe
3276	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	rundll32.exe
Token: SeDebugPrivilege	3276	powershell.exe
Token: SeBackupPrivilege	716	vssvc.exe
Token: SeRestorePrivilege	716	vssvc.exe
Token: SeAuditPrivilege	716	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 3592	3192	rundll32.exe	84
PID 3192 wrote to memory of 3592	3192	rundll32.exe	84
PID 3192 wrote to memory of 3592	3192	rundll32.exe	84
PID 3592 wrote to memory of 3276	3592	rundll32.exe	85
PID 3592 wrote to memory of 3276	3592	rundll32.exe	85

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\c35f35a9e54f35375bc2f72842d038c4121a5cc6314ac7cbabca6a8dc463cfcd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c35f35a9e54f35375bc2f72842d038c4121a5cc6314ac7cbabca6a8dc463cfcd.dll,#1
  2⤵
  - Enumerates connected drives
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3276

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:4900

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\82rrs-readme.txt

Filesize
6KB

MD5
a3afc927c3c8aad451f4d1516c5a27fd

SHA1
17ba6af26f14f5c5cb0eb426b6a25a6ddea6ed9d

SHA256
2b2588985390bde219aa097914b1e90493613cbfbf86ab79b5ef63ec930a5543

SHA512
4e1fd5bdcb990ecb3e7e1f05d65598adefb2d377687d7fd751fdb0ec13bb9b07de8bc02e566ba7fd81de3b73f2777895b92abb881e3a215d63a1ed2419348401

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z4own1ig.tv0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3276-0-0x00007FFA7A803000-0x00007FFA7A805000-memory.dmp

Filesize
8KB

Download
memory/3276-1-0x0000021757910000-0x0000021757932000-memory.dmp

Filesize
136KB

Download
memory/3276-11-0x00007FFA7A800000-0x00007FFA7B2C1000-memory.dmp

Filesize
10.8MB

Download
memory/3276-12-0x00007FFA7A800000-0x00007FFA7B2C1000-memory.dmp

Filesize
10.8MB

Download
memory/3276-15-0x00007FFA7A800000-0x00007FFA7B2C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing