sodinokibi | f6769b99211b1cbc0e426664d8acce46bda719d661dea8f4c38688d528995b9d

General

Target

revil.exe
Size

354KB
MD5

dea7682ea7be9da87ecfda4e3ba02623
SHA1

eaa4bcde550863fef0e45a6d04ed91fdc319e287
SHA256

f6769b99211b1cbc0e426664d8acce46bda719d661dea8f4c38688d528995b9d
SHA512

028f3e2131146a277913a807b279c6b6f0faefd86c93a54069f2fcc23920c5a9c951c78c6ec2d90509cc3e3da52f323f6823e7c72998010c9a3e900be99132a3

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\tee91r28p1-readme.txt

Family

sodinokibi

Ransom Note

---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion tee91r28p1. 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/EE0DF6B76B8D1F3E 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/EE0DF6B76B8D1F3E 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: VQVa2kkZrTa2/KUVEbexw+Y2Hde6tBdFla3NVR9S9mqTAAR8zagcl28VIur/mr8q jMSfpSQmD61ryKVl1s5pk+5llM0mXueA+2QKa5HugXPNkf2D5Y/jTfJrJVUTkhZj tPpFdPz3Khhk8J6kk4gKP1W+Yk5CgvCqouqTLfX0e6LDtJSFv0RpD1quczX4Ta52 6n2y9e0wTCHH7//lxWs3k4xejael7NXpptS8cd3LzV8zEenY+LFPIzurDO6pq/q7 F3PXwLNrXur6w5z6nO3ojWWqP+EsKY3ZkErxeZTer4RvBlIV+Uq7NdyjPALLZ09k p6yHIiSL4gvxXuTSQTiyWOJUf5kNoGOLuwvKDei3R6IIcy3Yr+KbbimEtCgKTGxH yvvLLmHKk9McTxKZb2fe6mWUTeVRssfoOc/STIZ69XsTVkYh3awIjKXgnNVY4X1l gKC34SKBCievbEN8ZXk1HGlXRp94kZygidhJU6FGmZTtcqKlL27lvW4LjAZ/matN GX0ey2+rkxeOEDTwvfyi9xVE6e0h0gEhHpIIJdsSwvngsg/iElRken4EOf5ZrdmK 0AeY2Sumgm8rIeuBJNNOF8qn1NNd8zoxFA57blDuZnZE2ug9T3DLjqaAm2zwir1R 9d63hDotRw2kIjxIdUyKlZrDvrjupbZswzpY5y36i1UiXEuJppG3G82U+PUZlw6I 7q1SQV0821/b0l/iuNB2ckRJ4pguq5EzFHNdh9ibjkltgNWweW/x70giFlwCOGYV FJDgyQZru9dNC/vK/8YMqMSpRZWfsnrRA1+R91fL+ghpLB3bXmanvqQR4x69f0Dt CqF6HPsPvHnGBwrHMoCtUcN+eVxkWZ+9lu/ORCy+bttlKY/a5+scBjAXEKX9JtzI XF1hmoKzOHPpkodnX8k604KJaX3CDs7w3HYbzIK1x/BmrNLaZy2tSl5rTYLtUQo+ MMzNuvQuUHPuwddQWvcrIlh7tgCStlCPAtyUFT8Cqw+84MvTE8A6wWdhxWcLKtj4 qIqc75u4+e4V+pe6yaEdrlDTdxjPeD42fbthdLhQjAqw15dPcP4mJ6KEKz622yfo hDa235IpjOLCaBxhPwsz6vEaq11suiSENC/GsZ1P+63lld0MR/JBV8gnnf6ZvHKr yuvdmNYPkMSwYassyomlNYYUdhKilNk6RkQnxbRfuwCRHdxZM1MtSLGEiVQ+t2ll 5edyfXiRivzOS8dVCY0nrK11fZW4OY0EPvcb0fuMKZmj8/ZkYfFHA3OzYNH22Cml N6CXuOEBNMX9Ql7phAjAj94axXBkAxa/QdirkG7bMCi4VS1cuho= Extension name: tee91r28p1 ----------------------------------------------------------------------------------------- !!! 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/EE0DF6B76B8D1F3E

http://decryptor.cc/EE0DF6B76B8D1F3E

Signatures

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

Modifies extensions of user files 3 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

revil.exe

description	ioc	process
File opened for modification	\??\c:\users\admin\pictures\ResetAdd.tiff	revil.exe
File renamed	C:\Users\Admin\Pictures\ResetAdd.tiff => \??\c:\users\admin\pictures\ResetAdd.tiff.tee91r28p1	revil.exe
File renamed	C:\Users\Admin\Pictures\SyncUnregister.png => \??\c:\users\admin\pictures\SyncUnregister.png.tee91r28p1	revil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

revil.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	revil.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7THSMUAouJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\revil.exe"	revil.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:

revil.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

revil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5x587jvb6.bmp"	revil.exe

Drops file in Program Files directory 23 IoCs

Processes:

revil.exe

description	ioc	process
File opened for modification	\??\c:\program files\ClearWrite.gif	revil.exe
File opened for modification	\??\c:\program files\ImportUnlock.pub	revil.exe
File opened for modification	\??\c:\program files\LockRevoke.bmp	revil.exe
File opened for modification	\??\c:\program files\OpenShow.asf	revil.exe
File opened for modification	\??\c:\program files\ShowDebug.pub	revil.exe
File opened for modification	\??\c:\program files\TraceSkip.au3	revil.exe
File created	\??\c:\program files (x86)\tee91r28p1-readme.txt	revil.exe
File opened for modification	\??\c:\program files\OutAssert.i64	revil.exe
File opened for modification	\??\c:\program files\ResumeDismount.mpeg2	revil.exe
File opened for modification	\??\c:\program files\SelectEnter.mp4	revil.exe
File opened for modification	\??\c:\program files\StartPush.emf	revil.exe
File opened for modification	\??\c:\program files\UnlockUndo.wdp	revil.exe
File created	\??\c:\program files\tee91r28p1-readme.txt	revil.exe
File opened for modification	\??\c:\program files\AddWatch.otf	revil.exe
File opened for modification	\??\c:\program files\BlockRepair.vbe	revil.exe
File opened for modification	\??\c:\program files\SwitchConvertTo.DVR	revil.exe
File opened for modification	\??\c:\program files\ApproveUninstall.mpv2	revil.exe
File opened for modification	\??\c:\program files\ConvertToEnter.jpeg	revil.exe
File opened for modification	\??\c:\program files\ConvertToLimit.css	revil.exe
File opened for modification	\??\c:\program files\EnterUnregister.pptx	revil.exe
File opened for modification	\??\c:\program files\ExpandSuspend.m1v	revil.exe
File opened for modification	\??\c:\program files\MeasureOpen.xla	revil.exe
File opened for modification	\??\c:\program files\ProtectRepair.jpeg	revil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

revil.exe

description pid process

Token: SeTakeOwnershipPrivilege 3256 revil.exe

description	pid	process
Token: SeTakeOwnershipPrivilege	3256	revil.exe

C:\Users\Admin\AppData\Local\Temp\revil.exe
"C:\Users\Admin\AppData\Local\Temp\revil.exe"
1⤵
- Modifies extensions of user files
- Adds Run key to start application
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:3256