sodinokibi | 3a39576496e6e961af1f0f2865217f87c5abffd58fe0ae038e93d697b162c7dc

General

Target

sample.exe
Size

165KB
MD5

46357f434f7a6af45d039812360c5fb4
SHA1

413637aa0d885aa3f35aef237d04c549d74b1d89
SHA256

23d96b2a01d190a2146849c6cfe59fea9f3c6c6a8f71367dacaf89d3fa1ac51c
SHA512

b48c571d0bc28eae58426eebee334baa49a78eb6f19a2efc31997233cd97caa914356657980222e0acf9eb982b45978ab103168c11f5a5964edce628816b3089

Score

10^/10

sodinokibi ransomware

Malware Config

Extracted

Path

C:\cvy8251-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 cvy8251. 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/F11F770EFF12251C 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/F11F770EFF12251C 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: h5LEebGua9ZkFNPF2K+OS7l9E+MRYZR+z3kyaR/KHanvImrboxAUrQgTm7QXYHLt Lb7R0UgCxeQ5wjHpzHbvTAw374F4ARxhck+PHsJTEM38Gkf+LxGXkK6Hp2hsQ3ed nF4Px+gcMtOUzSs6rx46FvosPkBLnoQlLsT6oOH+GtHgmSyHZvFW7Ie/xKog8wSS w+55E7FzFkhZPVg8T+I4MGY7q6Sj+/03w/eVvCeqxZpYzmSn1C3EFFT/XDYbRPV6 0RFTdA0e+Cs9BZJWyJNU5RFaxF6hpm5evN1KRbYibScVj+3MRFj8Ap7IotICtGCv a2xA3+Hb2jTDSCVhDVvAJ3lwn7Dn03C+5xmrlr2i4KGMBxeQjYlKj31KNqhjqUGW K6LJKpEcQb1dkkGV98dBUGtQa7Srzq9ByqcrDu1/Z/4X4V1jqCbnIen1QPHcjTEt kv0QXjPjal+b86kcI4sHpG3J/RWY3/HSkJBdgdguRqmrxwk4SUkYEygYCK0JDZe6 CbQtuLihlcGAjVWZYBD5Z4VMxgToA2nzPkjEVli5gbHG+DZ5bG1FzRyA/9/L7vIn v+jKWNynoIJ62TL5D2290rAQ+4iJxulaHqZnmxpIpmH2BQe9ICa+3CJa6Jrt96Qd bSSA5QG2Xk/QZ/OMQ3JnxP5GZDLDb2yiVJK6tzrXlb1kFRVP1TNCp08RI5zWXROT +H+ScECdXADVsZLA3sr6zbu81U39Z8OOF2IOjogUHBXQUdN5dYZXA/cMOaUo7zKD oS13YvegfyknFB9DCrMEIZZ+ao9TzSl1QtD3e1PqluWeanFmUMUvp8/Iv1k8vOGI qV3/fOQBd7XvkumM4vLdXXsqEtkVwrYBVbhlcZjdb5VCfn3iRYZo6hicSeRFQaSb zW4VLPSETcJ6X01mcfbwnaQWQlqqU0fp8g5mJwM1fgSfEikK2DLIQlylmKGnQBsC qJGeyZ37Jtv9Y3E8wGhpOGvVVT2I3sWQc88I2eUVHRiY8tek6jJ9ehibuGAiiUcH atP66wna4hq8sh7yd33hiGmiKiGGETpKzbIBvLMt5M2DAcZW7yfkyD3wU+RcuaxD zXvzWpS4k5iTIf9YjkJ4erL3HcrLvRv4mRyf9NvJvbnqfOBPON2iKR2xEhuZKJC9 NPXoT7e14Cnq3IwU ----------------------------------------------------------------------------------------- !!! 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/F11F770EFF12251C

http://decryptor.cc/F11F770EFF12251C

Signatures

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

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

sample.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\EditResize.raw => \??\c:\users\admin\pictures\EditResize.raw.cvy8251	sample.exe
File renamed	C:\Users\Admin\Pictures\RedoDeny.raw => \??\c:\users\admin\pictures\RedoDeny.raw.cvy8251	sample.exe
File opened for modification	\??\c:\users\admin\pictures\CheckpointExit.tiff	sample.exe
File opened for modification	\??\c:\users\admin\pictures\SplitUpdate.tiff	sample.exe
File renamed	C:\Users\Admin\Pictures\CheckpointExit.tiff => \??\c:\users\admin\pictures\CheckpointExit.tiff.cvy8251	sample.exe
File renamed	C:\Users\Admin\Pictures\SplitUpdate.tiff => \??\c:\users\admin\pictures\SplitUpdate.tiff.cvy8251	sample.exe
File renamed	C:\Users\Admin\Pictures\BackupPublish.tif => \??\c:\users\admin\pictures\BackupPublish.tif.cvy8251	sample.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

Processes:

sample.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

sample.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\30jqb8a6u9.bmp"	sample.exe

Drops file in Program Files directory 13 IoCs

Processes:

sample.exe

description	ioc	process
File opened for modification	\??\c:\program files\SendConfirm.aifc	sample.exe
File created	\??\c:\program files\cvy8251-readme.txt	sample.exe
File created	\??\c:\program files (x86)\cvy8251-readme.txt	sample.exe
File opened for modification	\??\c:\program files\ExitNew.xlsm	sample.exe
File opened for modification	\??\c:\program files\OptimizeTest.dxf	sample.exe
File opened for modification	\??\c:\program files\RegisterUninstall.js	sample.exe
File opened for modification	\??\c:\program files\RestartTest.WTV	sample.exe
File opened for modification	\??\c:\program files\RevokeGrant.aiff	sample.exe
File opened for modification	\??\c:\program files\SwitchSave.ini	sample.exe
File opened for modification	\??\c:\program files\TestSend.mpeg3	sample.exe
File opened for modification	\??\c:\program files\TraceRevoke.3gpp	sample.exe
File opened for modification	\??\c:\program files\UseClose.emf	sample.exe
File opened for modification	\??\c:\program files\SyncMerge.ppt	sample.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

sample.exepowershell.exe

pid process

4712 sample.exe
4712 sample.exe
4688 powershell.exe
4688 powershell.exe

pid	process
4712	sample.exe
4712	sample.exe
4688	powershell.exe
4688	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

sample.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4712	sample.exe
Token: SeDebugPrivilege	4688	powershell.exe
Token: SeBackupPrivilege	3836	vssvc.exe
Token: SeRestorePrivilege	3836	vssvc.exe
Token: SeAuditPrivilege	3836	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

sample.exe

description	pid	process	target process
PID 4712 wrote to memory of 4688	4712	sample.exe	powershell.exe
PID 4712 wrote to memory of 4688	4712	sample.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3044

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4688-130-0x0000000000000000-mapping.dmp

Download
memory/4688-131-0x0000024AB86B0000-0x0000024AB86D2000-memory.dmp

Filesize
136KB

Download
memory/4688-132-0x00007FFA86690000-0x00007FFA87151000-memory.dmp

Filesize
10.8MB

Download
memory/4688-133-0x00007FFA86690000-0x00007FFA87151000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads