sodinokibi | e98671b2d66ed8e660d8653d19773ca46706a43c3d489b947df1fd4b0cefce41

General

Target

file.dll
Size

164KB
MD5

7d113ca1ae3f5d652e95a7235bb5f500
SHA1

ac1a058579d7fc2795b114e9f5b127d16c6cb8f2
SHA256

e98671b2d66ed8e660d8653d19773ca46706a43c3d489b947df1fd4b0cefce41
SHA512

80bb2ca4475afe8d9ce35c38ab4c25358f07aea28f7d1c7034c64e4cb17614760cfd836869b5dc7bb5834b8075178e2831c5a1741698262910836d1d83659a18

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\8lyuypc099-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 8lyuypc099. 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/8A96FAC3F1D0657E 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/8A96FAC3F1D0657E 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: Tlu6/aH37QfmX0RBSlzpuWSED1dBB8HyPlB2+aeIWmQzo+66IXiVNWvUziQUjQ80 LHQx2BYLygd815JobN6KiskavyqmkSk4h90TZtNs5NTQ7yeLHcpwJlr1MmvEccIG ircHEspTX9vE3/760j1vE3WLcbk42AxmjcPlaV2h7dG4GuiefdjYXoLy4cdflsvE 6chjl4iFel5X7nTSVUedR7RoGvTeaa77n1Zd3vmRKRsLCNPLRLcnxkfWpL9MIb/8 ko0KgZK2qaag161AbJcmlewZATxiXbgn3V5Wrea99CfQ8+ikr7jDPsifD4woLzM7 UhmwTJNWg9gxo9Qswz9SjxgiWZ4bqCUV62lhtQARYHrPqNkYmutPyiKYey4FC6RA I8KQ00hlp5yvXg4INW79v+bGatwIf1faTtKPHI1hnIoNKpHd1rvgQOPd0G2xP9vw GaLybXZac/EvQ2Qze38AeQq/KqAyCyavIKuYgzA3hOk9BBpEQt4ecrhAWrva4LLw IinV5qcbRsnshH7/T+4em0NtG7WPK+mdXtLDkpfgAz8lpBQBxtMcT28ckX+INCxK scZ+9Bmag+2Rq2q5ndEsZdOyZaqTdO7CQ9/h+Ligpowstuq7Q6Ka7VUtfYqTJQvf gGkzFGFV7P1iu+f1Qb8q/m6MJdQ3NKQKMLmKvYc15sawSZJZFBO8Q+i3XLPzVIWN cchy7ey/w8v0MIfGNx/ytWqIWVJev2jsMGpTgCa8M3fZLlscuDPptwjE6pteiMc3 us3nWZARlRBq2Xy4M6V8re5q/zRR1SjRsfrVnSqGaDcFUQjqjqYLAYNaXwuI77P1 2oauOosTR2k4bqp5L5/cdPYxzKxiiZrbUpWIbjfLCvW3l1GiZbeP1Ldi9oZU8Lqb HyeD8X5akFbcy4EmE3SyprcrTycnR4zlp7b9DLLvgT5eHht0Cy1yh6AjH4mPkva/ DjjvY2Zh66+TpLgaDqkxzUkMevoXf3f0+vA/GH/JzV0u4LxedQbTxTd9+8/xyE2C K+sR9TK+ALtnvF7G+o/nvhfmtS0GHoOnXL4w4qT+uNgHtX2rpV5T2oLrn1/Q7ZMP l7qHPvjopWp3GNlcB4zwBqsvpiMtDzC9kRv4AEwYy1Ze2mTlMRNdPQimCQvm5S3o ewadCg== Extension name: 8lyuypc099 ----------------------------------------------------------------------------------------- !!! 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/8A96FAC3F1D0657E

http://decryptor.cc/8A96FAC3F1D0657E

Signatures

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

Blacklisted process makes network request 63 IoCs

Processes:

rundll32.exe

flow	pid	process
21	1112	rundll32.exe
23	1112	rundll32.exe
25	1112	rundll32.exe
27	1112	rundll32.exe
29	1112	rundll32.exe
30	1112	rundll32.exe
31	1112	rundll32.exe
32	1112	rundll32.exe
34	1112	rundll32.exe
36	1112	rundll32.exe
37	1112	rundll32.exe
41	1112	rundll32.exe
43	1112	rundll32.exe
45	1112	rundll32.exe
47	1112	rundll32.exe
49	1112	rundll32.exe
51	1112	rundll32.exe
53	1112	rundll32.exe
55	1112	rundll32.exe
57	1112	rundll32.exe
59	1112	rundll32.exe
61	1112	rundll32.exe
63	1112	rundll32.exe
65	1112	rundll32.exe
67	1112	rundll32.exe
70	1112	rundll32.exe
72	1112	rundll32.exe
74	1112	rundll32.exe
76	1112	rundll32.exe
78	1112	rundll32.exe
80	1112	rundll32.exe
82	1112	rundll32.exe
84	1112	rundll32.exe
86	1112	rundll32.exe
90	1112	rundll32.exe
92	1112	rundll32.exe
94	1112	rundll32.exe
97	1112	rundll32.exe
99	1112	rundll32.exe
101	1112	rundll32.exe
104	1112	rundll32.exe
106	1112	rundll32.exe
108	1112	rundll32.exe
110	1112	rundll32.exe
112	1112	rundll32.exe
114	1112	rundll32.exe
116	1112	rundll32.exe
119	1112	rundll32.exe
122	1112	rundll32.exe
124	1112	rundll32.exe
125	1112	rundll32.exe
126	1112	rundll32.exe
127	1112	rundll32.exe
129	1112	rundll32.exe
131	1112	rundll32.exe
133	1112	rundll32.exe
135	1112	rundll32.exe
137	1112	rundll32.exe
139	1112	rundll32.exe
141	1112	rundll32.exe
143	1112	rundll32.exe
145	1112	rundll32.exe
146	1112	rundll32.exe

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\FindAssert.tiff => \??\c:\users\admin\pictures\FindAssert.tiff.8lyuypc099	rundll32.exe
File renamed	C:\Users\Admin\Pictures\MergeRequest.tiff => \??\c:\users\admin\pictures\MergeRequest.tiff.8lyuypc099	rundll32.exe
File renamed	C:\Users\Admin\Pictures\MountMeasure.tif => \??\c:\users\admin\pictures\MountMeasure.tif.8lyuypc099	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ResetRestore.png => \??\c:\users\admin\pictures\ResetRestore.png.8lyuypc099	rundll32.exe
File renamed	C:\Users\Admin\Pictures\SendCompress.tif => \??\c:\users\admin\pictures\SendCompress.tif.8lyuypc099	rundll32.exe
File opened for modification	\??\c:\users\admin\pictures\FindAssert.tiff	rundll32.exe
File opened for modification	\??\c:\users\admin\pictures\MergeRequest.tiff	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

Processes:

rundll32.exe

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

Modifies service 2 TTPs 5 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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	vssvc.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\gps2p2xt84i.bmp"	rundll32.exe

Drops file in Program Files directory 40 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\DismountExpand.ppsm	rundll32.exe
File opened for modification	\??\c:\program files\RedoMove.TTS	rundll32.exe
File opened for modification	\??\c:\program files\SubmitSet.cr2	rundll32.exe
File opened for modification	\??\c:\program files\CompareRestore.pptm	rundll32.exe
File created	\??\c:\program files (x86)\8lyuypc099-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\DebugEnter.asx	rundll32.exe
File opened for modification	\??\c:\program files\GrantPush.vstm	rundll32.exe
File opened for modification	\??\c:\program files\UnprotectResolve.wav	rundll32.exe
File created	\??\c:\program files\8lyuypc099-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\UndoRedo.tiff	rundll32.exe
File opened for modification	\??\c:\program files\EditGroup.csv	rundll32.exe
File opened for modification	\??\c:\program files\RepairRevoke.vsw	rundll32.exe
File opened for modification	\??\c:\program files\UnlockMerge.aif	rundll32.exe
File opened for modification	\??\c:\program files\WriteStop.zip	rundll32.exe
File opened for modification	\??\c:\program files\EnableCopy.xlsm	rundll32.exe
File opened for modification	\??\c:\program files\ConvertMount.emf	rundll32.exe
File opened for modification	\??\c:\program files\RevokeConvert.htm	rundll32.exe
File opened for modification	\??\c:\program files\UninstallExit.xsl	rundll32.exe
File opened for modification	\??\c:\program files\AssertOptimize.dib	rundll32.exe
File opened for modification	\??\c:\program files\MergePublish.cr2	rundll32.exe
File opened for modification	\??\c:\program files\RedoConfirm.WTV	rundll32.exe
File opened for modification	\??\c:\program files\RemoveFormat.vssm	rundll32.exe
File opened for modification	\??\c:\program files\ResetStep.svg	rundll32.exe
File opened for modification	\??\c:\program files\RestartBlock.css	rundll32.exe
File opened for modification	\??\c:\program files\SendSwitch.M2TS	rundll32.exe
File opened for modification	\??\c:\program files\TestOpen.rar	rundll32.exe
File opened for modification	\??\c:\program files\ConnectMerge.ppsm	rundll32.exe
File opened for modification	\??\c:\program files\WatchOptimize.vsd	rundll32.exe
File opened for modification	\??\c:\program files\UnregisterCopy.xhtml	rundll32.exe
File opened for modification	\??\c:\program files\DenyRestart.jpe	rundll32.exe
File opened for modification	\??\c:\program files\ImportCompare.svgz	rundll32.exe
File opened for modification	\??\c:\program files\InstallOptimize.3gp	rundll32.exe
File opened for modification	\??\c:\program files\ResizeRedo.midi	rundll32.exe
File opened for modification	\??\c:\program files\RevokeImport.docx	rundll32.exe
File opened for modification	\??\c:\program files\SendSelect.wm	rundll32.exe
File opened for modification	\??\c:\program files\CopyDismount.m4a	rundll32.exe
File opened for modification	\??\c:\program files\GrantBackup.crw	rundll32.exe
File opened for modification	\??\c:\program files\ReceiveCompress.M2T	rundll32.exe
File opened for modification	\??\c:\program files\SubmitSend.mhtml	rundll32.exe
File opened for modification	\??\c:\program files\DismountDebug.vsx	rundll32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exepowershell.exe

pid process

1112 rundll32.exe
1112 rundll32.exe
3992 powershell.exe
3992 powershell.exe
3992 powershell.exe

pid	process
1112	rundll32.exe
1112	rundll32.exe
3992	powershell.exe
3992	powershell.exe
3992	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1112	rundll32.exe
Token: SeDebugPrivilege	3992	powershell.exe
Token: SeBackupPrivilege	4080	vssvc.exe
Token: SeRestorePrivilege	4080	vssvc.exe
Token: SeAuditPrivilege	4080	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 640 wrote to memory of 1112	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1112	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1112	640	rundll32.exe	rundll32.exe
PID 1112 wrote to memory of 3992	1112	rundll32.exe	powershell.exe
PID 1112 wrote to memory of 3992	1112	rundll32.exe	powershell.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
2⤵
- Blacklisted process makes network request
- 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:1112

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3992

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:424

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:4080

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

2

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

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Downloads

memory/1112-0-0x0000000000000000-mapping.dmp

Download
memory/3992-1-0x0000000000000000-mapping.dmp

Download
memory/3992-2-0x00007FFC33590000-0x00007FFC33F7C000-memory.dmp

Filesize
9.9MB

Download
memory/3992-3-0x0000020CA39D0000-0x0000020CA39D1000-memory.dmp

Filesize
4KB

Download
memory/3992-4-0x0000020CA3B80000-0x0000020CA3B81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads