sodinokibi | c40dfd58e6da0aade75d09b6a659cf165f072ba89aef2d60c10c153793535ee7

General

Target

file.dll
Size

166KB
MD5

b979913c1157d8e0e1066afbd296e3f3
SHA1

1016b7581ea09468b93cf635dbe0ff760bcf1428
SHA256

c40dfd58e6da0aade75d09b6a659cf165f072ba89aef2d60c10c153793535ee7
SHA512

709acfdb81e5eaf00affadc74939935d8af36d061ad02fa7626db89a5a55b95dcd9c13a38f5205ab19d91e2abd30c856d67dfdd4257438f6ce6b9662e5781d53

Score

10^/10

sodinokibi persistence ransomware spyware

Malware Config

Extracted

Path

C:\138i1rd57-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 138i1rd57. 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/BAC876DDC2770553 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/BAC876DDC2770553 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: +bcUC+ienFoxfJ0HY86CUgdQB9TVLVW8JJ5Ci/bFuFd3FAbx80OJrofHYpQpAZzq MiSYZlmAxjjsgAV1jnEsVDIEFImUfxSeOaZdYBfbYIY6KANwCRXRwyUkDHa6/O0/ 7xmuIQWeIK49D9oE18XfKkfuoPfQJYXd02Ii/nYPpCbzWp7hValg8hCxKfdLrSpQ r/prUqQSx6Hrc6hOLPJYD5vEnfwyW8IfE7Kvsi+YFwFPFKlTZ2jHY5q4NA8erzID 0lHOiS+v92HSigFqPmKLSu8cxU3ST1m1T28Rt9GDP8k7JVt/W9yxsbGMf+qvlwm1 PgfXt2TJqgLKGnkmB+GDZKh0sp41suC4/cdUHMi1LdswgRtVRdF0kCXB+EF3yPVv M+TctQH/iUmkyaGInWKGjuna85aEAhn5DAQ3BZPqLUQJgRRPwuIqKslHbmkqKfRf Eh6/FBFuME4AjFHaS9uIJf41oftt1sC2tXp9IryKuC5VBeIbllBWaQgphk14KIoD h6LW1aXybTYNpSr5pqtb9uAGGUFZkYZ346MlxZzt6oJaFimIJGRxxqEG72k/J+UL G/5q4/uad1KDsV+IrnAp2mz+/chxJIKY2VHUT9QHD/p7mgY1pYgvGfQsaYvJKgsi +aXH9pmwMA6LZhbPXWGpWCVdoLcA7SrQ/o0mTw8foSaKjLsZR7BD1M51CXTzqKfk iOVq3Xt9SsFdJX5sNR0QJI2LAHT50BoiMrjDA5fsE8840hATDgXfYYl/JkU/yP6l fuqVKOc+Fx75VrTOu6AoOC3r3NfH05cHTqJpVTB+YjZMUmmpZA14GT23g0xTk886 LkC3+y7rLUzzY63jnAbRQweG7QtYT+wjvkSDBXn1gzDckdyY4jjfLt5czsNeewtB jB+WAmtpBKCK5LnBxzBb8MsBv5dIedro6nQFAAVVJBF4skCCQmFxNPsqMPM9NeNw FVQ02eyBAt8lC/yhOSDZmdHK3vxhpIgfrI2on0DNOsT+WV4CUO95S1wRmNq/6If5 CYWcNDT2CKOu0H+C9uvhrgkS0SwWsPI7boeosBuQj1ue6GwGDLCvYgfFOWT287Yz G7VzJKj5ygKRkEgqBRoV4UNNn4RD5SKZiLDBVhR+4izsu110QNcRJlrMaYX0uFJ9 ZxnUijwGHkJ1brSK6/NV+O6J/NzRjlEWEZo9kyVQqXq6wV70nKFFP81wqAoSHz59 LaJs/evFe6g7GTUtHJDpp0T7Fgx9UHTv2MBxpOxBNVUghARrI+s39gBt8Gzsu4+K nHAEz8ykazZa+Np4PASc6KtTVdnJIw== ----------------------------------------------------------------------------------------- !!! 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/BAC876DDC2770553

http://decryptor.cc/BAC876DDC2770553

Signatures

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

Blacklisted process makes network request 122 IoCs

Processes:

rundll32.exe

flow	pid	process
17	712	rundll32.exe
19	712	rundll32.exe
21	712	rundll32.exe
23	712	rundll32.exe
25	712	rundll32.exe
28	712	rundll32.exe
29	712	rundll32.exe
31	712	rundll32.exe
33	712	rundll32.exe
35	712	rundll32.exe
37	712	rundll32.exe
39	712	rundll32.exe
41	712	rundll32.exe
43	712	rundll32.exe
45	712	rundll32.exe
47	712	rundll32.exe
49	712	rundll32.exe
51	712	rundll32.exe
52	712	rundll32.exe
54	712	rundll32.exe
56	712	rundll32.exe
58	712	rundll32.exe
60	712	rundll32.exe
62	712	rundll32.exe
64	712	rundll32.exe
66	712	rundll32.exe
68	712	rundll32.exe
70	712	rundll32.exe
72	712	rundll32.exe
74	712	rundll32.exe
76	712	rundll32.exe
78	712	rundll32.exe
80	712	rundll32.exe
82	712	rundll32.exe
84	712	rundll32.exe
86	712	rundll32.exe
88	712	rundll32.exe
90	712	rundll32.exe
92	712	rundll32.exe
95	712	rundll32.exe
97	712	rundll32.exe
99	712	rundll32.exe
102	712	rundll32.exe
104	712	rundll32.exe
106	712	rundll32.exe
108	712	rundll32.exe
110	712	rundll32.exe
112	712	rundll32.exe
114	712	rundll32.exe
116	712	rundll32.exe
118	712	rundll32.exe
120	712	rundll32.exe
122	712	rundll32.exe
124	712	rundll32.exe
127	712	rundll32.exe
129	712	rundll32.exe
131	712	rundll32.exe
133	712	rundll32.exe
135	712	rundll32.exe
137	712	rundll32.exe
139	712	rundll32.exe
141	712	rundll32.exe
143	712	rundll32.exe
145	712	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\EnableRemove.tif => \??\c:\users\admin\pictures\EnableRemove.tif.138i1rd57	rundll32.exe
File renamed	C:\Users\Admin\Pictures\InitializeRequest.png => \??\c:\users\admin\pictures\InitializeRequest.png.138i1rd57	rundll32.exe
File renamed	C:\Users\Admin\Pictures\MoveEdit.tif => \??\c:\users\admin\pictures\MoveEdit.tif.138i1rd57	rundll32.exe
File opened for modification	\??\c:\users\admin\pictures\DenyRevoke.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\AddSearch.crw => \??\c:\users\admin\pictures\AddSearch.crw.138i1rd57	rundll32.exe
File renamed	C:\Users\Admin\Pictures\DenyRevoke.tiff => \??\c:\users\admin\pictures\DenyRevoke.tiff.138i1rd57	rundll32.exe
File renamed	C:\Users\Admin\Pictures\CompareOut.png => \??\c:\users\admin\pictures\CompareOut.png.138i1rd57	rundll32.exe

Drops startup file 1 IoCs

Processes:

rundll32.exe

description ioc process

File created \??\c:\users\admin\appdata\roaming\microsoft\word\startup\138i1rd57-readme.txt rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File created	\??\c:\users\admin\appdata\roaming\microsoft\word\startup\138i1rd57-readme.txt	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)	\??\J:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\M:	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\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}	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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	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-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1o7gbj301.bmp"	rundll32.exe

Drops file in Program Files directory 37 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\DisableInitialize.vsw	rundll32.exe
File opened for modification	\??\c:\program files\LockExport.dot	rundll32.exe
File opened for modification	\??\c:\program files\OptimizeMount.DVR-MS	rundll32.exe
File opened for modification	\??\c:\program files\WatchUnpublish.m1v	rundll32.exe
File created	\??\c:\program files\138i1rd57-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\NewGroup.midi	rundll32.exe
File opened for modification	\??\c:\program files\WatchAdd.emz	rundll32.exe
File opened for modification	\??\c:\program files\SuspendTest.ods	rundll32.exe
File opened for modification	\??\c:\program files\UnblockCopy.svgz	rundll32.exe
File opened for modification	\??\c:\program files\UseDismount.m3u	rundll32.exe
File opened for modification	\??\c:\program files\CompareGet.wmv	rundll32.exe
File opened for modification	\??\c:\program files\CompressPop.rtf	rundll32.exe
File opened for modification	\??\c:\program files\DebugStop.mpe	rundll32.exe
File opened for modification	\??\c:\program files\MountRegister.m3u	rundll32.exe
File opened for modification	\??\c:\program files\SendStep.M2T	rundll32.exe
File opened for modification	\??\c:\program files\HideUninstall.xml	rundll32.exe
File opened for modification	\??\c:\program files\ConvertTrace.mpeg2	rundll32.exe
File opened for modification	\??\c:\program files\MergeBlock.wmx	rundll32.exe
File opened for modification	\??\c:\program files\SelectDisable.ADTS	rundll32.exe
File opened for modification	\??\c:\program files\SubmitUnlock.odt	rundll32.exe
File opened for modification	\??\c:\program files\SwitchCompress.mp4	rundll32.exe
File created	\??\c:\program files (x86)\138i1rd57-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\ImportWait.wma	rundll32.exe
File opened for modification	\??\c:\program files\OutSplit.tif	rundll32.exe
File opened for modification	\??\c:\program files\RegisterSwitch.ppsx	rundll32.exe
File opened for modification	\??\c:\program files\SubmitAdd.mpv2	rundll32.exe
File opened for modification	\??\c:\program files\DebugResume.001	rundll32.exe
File opened for modification	\??\c:\program files\DismountWatch.txt	rundll32.exe
File opened for modification	\??\c:\program files\JoinStart.fon	rundll32.exe
File opened for modification	\??\c:\program files\UpdateWait.wma	rundll32.exe
File opened for modification	\??\c:\program files\WaitMeasure.scf	rundll32.exe
File opened for modification	\??\c:\program files\SuspendSkip.asf	rundll32.exe
File opened for modification	\??\c:\program files\CompleteProtect.wdp	rundll32.exe
File opened for modification	\??\c:\program files\DisableSend.dot	rundll32.exe
File opened for modification	\??\c:\program files\RemoveLimit.ogg	rundll32.exe
File opened for modification	\??\c:\program files\RestoreSplit.contact	rundll32.exe
File opened for modification	\??\c:\program files\SetUnprotect.vstx	rundll32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exepowershell.exe

pid process

712 rundll32.exe
712 rundll32.exe
660 powershell.exe
660 powershell.exe
660 powershell.exe

pid	process
712	rundll32.exe
712	rundll32.exe
660	powershell.exe
660	powershell.exe
660	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	712	rundll32.exe
Token: SeDebugPrivilege	660	powershell.exe
Token: SeBackupPrivilege	1468	vssvc.exe
Token: SeRestorePrivilege	1468	vssvc.exe
Token: SeAuditPrivilege	1468	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 912 wrote to memory of 712	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 712	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 712	912	rundll32.exe	rundll32.exe
PID 712 wrote to memory of 660	712	rundll32.exe	powershell.exe
PID 712 wrote to memory of 660	712	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:912

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
- Drops startup file
- 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:712

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:660

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2780

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:1468

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Defacement

1

T1491

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Downloads

\??\c:\users\admin\appdata\local\microsoft\clr_v4.0\usagelogs\powershell.exe.log
MD5
e220a0e8ab5e1f9804f929e4e900c1ab

SHA1
0f3e883c25ae5371abd55364c8c1dec0e521049a

SHA256
90ddda82b164697c8964b4046b1728678150d34d7ef387be23b58dc67d741d03

SHA512
18d4ad832c219a76797b70ff658c105f19c49fb89c02f7c63438ffb5e6d1c2d13636057194edb2e0d29537d2687eb442a9298315d4f4f1dae7dc29ce7260fc03

Download Submit
memory/660-1-0x0000000000000000-mapping.dmp

Download
memory/660-2-0x00007FF8FE2A0000-0x00007FF8FEC8C000-memory.dmp

Filesize
9.9MB

Download
memory/660-3-0x00000161AC5B0000-0x00000161AC5B1000-memory.dmp

Filesize
4KB

Download
memory/660-4-0x00000161C7490000-0x00000161C7491000-memory.dmp

Filesize
4KB

Download
memory/712-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads