sodinokibi | 5935075c62a8dad7167569d3abe7281d5f4fa28185eb34c0eceaf1f60e652bf4

General

Target

revil_sodinokibi.dll
Size

164KB
MD5

6e3efb83299d800edf1624ecbc0665e7
SHA1

0bd22f204c5373f1a22d9a02c59f69f354a2cc0d
SHA256

2ca64feaaf5ab6cf96677fbc2bc0e1995b3bc93472d7af884139aa757240e3f6
SHA512

dd1675bb15eb8ea2933b25413271117823ad7ff38280e7f552b5201e3a5bef8607a2112df2e24f598449ebfdb570ff9458aba0314ed8819dd4d774ea855e9ad2
SSDEEP

3072:FWeI5JXJRGpUhFiWjmfb+HP+rnRfU9ECs5p:FWe29/GuzjmfCHWtUiCs5p

Score

10^/10

sodinokibi ransomware

Malware Config

Extracted

Path

C:\Recovery\3lv722rvm-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 computer has extension 3lv722rvm. 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/C0179E13B4D47FE5 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/C0179E13B4D47FE5 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: MMH9LRbF+3RKqaW2BgflkKGKtCIZ5g7cXQpxI9e1j6AWoO36NtKMKNwjQ7LsSgZV D4HMUIJHkRa73MMuGGWEuo3MEyeasLz/8nbk4i2R+iiSI+6fQfsiVlSxNwpFVuHM LpBSjS2lHmPGggblnWuu/QeMAanpZoWDJvFjfnSQ72kaMIQdWrPt/idos30ziBqy BX/QS9bYTO8eWSVRoa2iBRYhTU5RGLJXbiYgkZL8w0RnYfDSwXprYDyc0GDEk5Lu YaIAK3qTUWTsvT6pKD/NLuj8Vf4n0aNkhVOR8rwzCEjXO9vslT7aNymDgUjErnss 6Ej00dr6tAJfBs+4N4MoRDnLLSCMwzz6ufgSXva9r655PDYTEyzjPPE+diI+VOpR ddV2s8CG1JXOyhM/wQov9txwUTHFgfMJhnvUHApZhAzPMSzW6vE24XAlk+JZ7Jqh OQw4RYOXyh1aquXhJJoKgQQLr8uHs1QevBpfVnkhsswR4QGodKmnqZpb4Z+7uDT4 jDsFiXB3PwxBtV9IprLGHrJSclMkprEr72gZqwRwVQRqexMORrJpmL+YNe5eR25Q kNXvjc2jMLyP6VqcmLjvxNPw7GjUVzf783YTpHBVEh+u//kz4++m7IA40/94Yh7r OowIro/PRClz8HURMCdfjCZjGMqnCVgaLR3UoHmYlErfshnry2JxUKUZCf6dhZIn Usz5489JkFlZm/hxyKeHM8hXnN4Czy7qTwZARSIxe6asDi3crw/ouwmLAEdBGKZe /LvkkHf+5iHrXb7dUY0FedGeB1w+gbt4OVnIs4OEhzd7kgl6rnmdm4+7xeSJjNAf K52pgHSGAUL9Gvce3jfVaMX04Lr+Ra8um6NQ1LWsMWd2vYqSNdjWyP06a7ahltL9 uTChjwzWC96jtRXS6WwiOb1O413rsZ3OYGVyL8LAhyhLpxKC4MBjowDQme2T/n75 Lc4NGNqR9DDRdKQoHH4kpgagbe2lVn/ntJ99a8IVGIq7RKvdKzv9pnQm6kjynLiq ecSvhk2cMHoM849xpOQAiD/nNOmt5O9w3Gn/TSxWEmm+DTkwt4qWQ9q/QDj1kAc6 OFfW36fAmuLG4sK8gCVPD790n8eBeWQdMtkTMe/K5HICpVxcUrQ7qK9ljtQJBaQz VP+pPNOycN7/RP3S+T+3FcvF+Paf0Ec4gQL/zNg2ZQMDXnUWLxVROD/BaWhDdR3H H/ZZJioduTfIhCGJ8bKYJmzA2nciz8dg Extension name: 3lv722rvm ----------------------------------------------------------------------------------------- !!! 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/C0179E13B4D47FE5

http://decryptor.top/C0179E13B4D47FE5

Signatures

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

Blocklisted process makes network request 7 IoCs

flow	pid	Process
91	4472	rundll32.exe
101	4472	rundll32.exe
109	4472	rundll32.exe
111	4472	rundll32.exe
116	4472	rundll32.exe
122	4472	rundll32.exe
124	4472	rundll32.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zvfh1.bmp"	rundll32.exe

Drops file in Program Files directory 18 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\AddRemove.bmp	rundll32.exe
File opened for modification	\??\c:\program files\PingClear.vssm	rundll32.exe
File opened for modification	\??\c:\program files\RestoreOpen.clr	rundll32.exe
File created	\??\c:\program files\3lv722rvm-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\SavePublish.pdf	rundll32.exe
File opened for modification	\??\c:\program files\CheckpointSearch.xml	rundll32.exe
File opened for modification	\??\c:\program files\DismountLock.search-ms	rundll32.exe
File opened for modification	\??\c:\program files\InstallRemove.rmi	rundll32.exe
File opened for modification	\??\c:\program files\MountRestart.vssx	rundll32.exe
File opened for modification	\??\c:\program files\OutOptimize.html	rundll32.exe
File opened for modification	\??\c:\program files\RegisterDisable.xla	rundll32.exe
File opened for modification	\??\c:\program files\RemoveRead.vsd	rundll32.exe
File opened for modification	\??\c:\program files\TraceGet.mid	rundll32.exe
File opened for modification	\??\c:\program files\ApproveMerge.xlt	rundll32.exe
File opened for modification	\??\c:\program files\ClearSuspend.css	rundll32.exe
File opened for modification	\??\c:\program files\CompressGrant.ini	rundll32.exe
File opened for modification	\??\c:\program files\DisconnectBlock.tiff	rundll32.exe
File created	\??\c:\program files (x86)\3lv722rvm-readme.txt	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4472	rundll32.exe
4472	rundll32.exe
1216	powershell.exe
1216	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1216	powershell.exe
Token: SeBackupPrivilege	3020	vssvc.exe
Token: SeRestorePrivilege	3020	vssvc.exe
Token: SeAuditPrivilege	3020	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4472	3968	rundll32.exe	90
PID 3968 wrote to memory of 4472	3968	rundll32.exe	90
PID 3968 wrote to memory of 4472	3968	rundll32.exe	90
PID 4472 wrote to memory of 1216	4472	rundll32.exe	96
PID 4472 wrote to memory of 1216	4472	rundll32.exe	96

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\revil_sodinokibi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\revil_sodinokibi.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates connected drives
  - Sets desktop wallpaper using registry
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1216

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3512

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

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

Replay Monitor

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Downloads

C:\Recovery\3lv722rvm-readme.txt

Filesize
6KB

MD5
2078c64a9286b61028618a8134971cdc

SHA1
acd7432b32fa44ebaeeeed5dda1b2305aa3d90b3

SHA256
241604856dcd3a35b9638a9acadf0eedc4d2f2de16fdf677a2d8e6dc80ca6c96

SHA512
ae0fd21aa73cbedc237508dfe64f8ad0dad53b14202094496cb14bb65015464e06e7bb8cf3d8f6b1c5a0decd1d12a49968d16385f01ea3e542fc208f4f8ca353

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0pb2ioos.wzz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1216-9-0x0000015CB3570000-0x0000015CB3592000-memory.dmp

Filesize
136KB

Download
memory/1216-10-0x00007FFE08800000-0x00007FFE092C1000-memory.dmp

Filesize
10.8MB

Download
memory/1216-11-0x0000015CCB7A0000-0x0000015CCB7B0000-memory.dmp

Filesize
64KB

Download
memory/1216-12-0x0000015CCB7A0000-0x0000015CCB7B0000-memory.dmp

Filesize
64KB

Download
memory/1216-15-0x00007FFE08800000-0x00007FFE092C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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