sodinokibi | 9c8047488afe121552ac8acd0594d1c677e10373ee1b49582d17dc96161f7feb

General

Target

sodi_1.exe
Size

696KB
MD5

8445dfa4a84b7045a93cacfd54bbbc90
SHA1

8b2ed1cac7b5cb0b71ef0fc7b4102ea07368e667
SHA256

9c8047488afe121552ac8acd0594d1c677e10373ee1b49582d17dc96161f7feb
SHA512

a791387940729acd0adef7300c93529a16492e0c3fe09f23c03301c7df70f3debf3fe44252bf0da591956492e632b137fdd54bb4afabb37f8f06aca132c81f14

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\y42x39-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 y42x39. 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/A7D031C38933EE26 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/A7D031C38933EE26 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: b/iDb8yD3CPLliS7y3FLz5VUvNtGlYe12NZWEqvr4p14KxjVGWJ6JtwrbME84S4m /aeRkBMfZfQgto0IXbtpG7bpuoIX33F5407oTRCRXMmwUUFlH3o4/GpShV+5w5/0 hINEZ3/2op4bOiiKxmmkq0PRLghbNWyk20My12Tqf59GIDoYUiXIyAnFVEo1mkQa sfcyvhM/jDWW8swyh1RbxGpLM2cw3g5bYu6GhRfRg3ZFEWk9VSb85JGdMvpM4OLi 0iq4llJ8ik+I0+wlaDauRS8m0U3d89Q+c1qr7+/ZEAbC18iZO1OSSuEPnmHQMWwz l92NSimRn+ZsJckOhwcu5VGsdk/3Pi5D2ZqUocQg959tNtQ3WNr3+RfXPSs6HQu+ JswFnenjdtQQEYvcy5YvqUxPCRFmQ8yaeDdIl6MPzDnQzaGIZ4XAX8bJo1ZrV57u ca6U3hXNcyI/KA5Us5eiseKI6qTbKdlV5afePyoZlDiQwkr8+HyuRSNS3+ui6Tj8 U4CC8UCoaDYXyf1jFBTyfCBxwfJ4fWTNiuMKSlkJcLDPGbv3bn0j9SUhWHSd65Me eI5b0A5LTfPmo7zl8Uh3u84W1E2JQZ27R/Ett5C8kFtcM1RVGWxSqyc4g3tiI4+r f3qQj3ZzInhvKEOuu5LvaHUXSXWL3eM2yPbgCismHVEq1lemg62H5ThZ5c6ztijc 5/21gHHjx3seAMlJL2+U87HLM++B+/Fdbm6W3EZCZTWksXGCuN8Hhi3hO5K/Oss8 HjHsuz8DuoeJaUJdzCsvgFCQrFEMxRfcBABwqDGKJ0z0Msvws/+yMmiCgwIzh2sl cpZPXbekU+YDWj+FKctgq0n7PMJO9Mix0iGsy615TrGgKyASmfjLx+TF41/fJtNw CbnbEczV38FhhvZbgsdH81Fkr1L9cez/+do9dE6N4GrWbx6txDwdsckdh8ID8q0C lCow2+dJMS0rTcwmJtxEa4nPhZcRGTNLcuGzBrCowwiHitoyi8vpLHwMh0s9nHFo aMA0tJYvqIkzyTCZLkBb1gNvoV3n6zIGeC8cqSIEDlUqXgqzSsZbq+ifn25h/z/p fzhTHVAXmsJ6v/GoagUC1LIzoN0xiaG6UdMv01+y62H0XiVfGHMIjeEc+OMU+vU5 UQdYiRinucFahrHKPEP54jmduuoTvdVOnBVvqoCBrtuHIr5I724PErxMim6p7/rX HsLb0zuDRIA8eGbwfdeEXnUaKd/6mpu/Udxw7IKJ/B73Gn8Qb6yxYKmR/lFtrl1K FOuCfZGJueQVAIqfgdL0lw== ----------------------------------------------------------------------------------------- !!! 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/A7D031C38933EE26

http://decryptor.cc/A7D031C38933EE26

Signatures

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

Modifies extensions of user files 13 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

sodi_1.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\BackupMeasure.crw => \??\c:\users\admin\pictures\BackupMeasure.crw.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\CompressMount.tiff => \??\c:\users\admin\pictures\CompressMount.tiff.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\ConvertExit.raw => \??\c:\users\admin\pictures\ConvertExit.raw.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\DismountResume.png => \??\c:\users\admin\pictures\DismountResume.png.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\StepCompress.tif => \??\c:\users\admin\pictures\StepCompress.tif.y42x39	sodi_1.exe
File opened for modification	\??\c:\users\admin\pictures\CompressMount.tiff	sodi_1.exe
File opened for modification	\??\c:\users\admin\pictures\SyncEdit.tiff	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\RevokePush.tiff => \??\c:\users\admin\pictures\RevokePush.tiff.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\SyncEdit.tiff => \??\c:\users\admin\pictures\SyncEdit.tiff.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\UndoSplit.tif => \??\c:\users\admin\pictures\UndoSplit.tif.y42x39	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\UpdateMerge.raw => \??\c:\users\admin\pictures\UpdateMerge.raw.y42x39	sodi_1.exe
File opened for modification	\??\c:\users\admin\pictures\RevokePush.tiff	sodi_1.exe
File renamed	C:\Users\Admin\Pictures\RenamePing.png => \??\c:\users\admin\pictures\RenamePing.png.y42x39	sodi_1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sodi_1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	sodi_1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FxHrkpLpWn = "C:\\Users\\Admin\\AppData\\Local\\Temp\\sodi_1.exe"	sodi_1.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:

sodi_1.exe

description	ioc	process
File opened (read-only)	\??\E:	sodi_1.exe
File opened (read-only)	\??\M:	sodi_1.exe
File opened (read-only)	\??\U:	sodi_1.exe
File opened (read-only)	\??\A:	sodi_1.exe
File opened (read-only)	\??\K:	sodi_1.exe
File opened (read-only)	\??\S:	sodi_1.exe
File opened (read-only)	\??\W:	sodi_1.exe
File opened (read-only)	\??\Y:	sodi_1.exe
File opened (read-only)	\??\Z:	sodi_1.exe
File opened (read-only)	\??\H:	sodi_1.exe
File opened (read-only)	\??\I:	sodi_1.exe
File opened (read-only)	\??\J:	sodi_1.exe
File opened (read-only)	\??\N:	sodi_1.exe
File opened (read-only)	\??\O:	sodi_1.exe
File opened (read-only)	\??\P:	sodi_1.exe
File opened (read-only)	\??\V:	sodi_1.exe
File opened (read-only)	\??\X:	sodi_1.exe
File opened (read-only)	\??\B:	sodi_1.exe
File opened (read-only)	\??\D:	sodi_1.exe
File opened (read-only)	\??\G:	sodi_1.exe
File opened (read-only)	\??\L:	sodi_1.exe
File opened (read-only)	\??\Q:	sodi_1.exe
File opened (read-only)	\??\R:	sodi_1.exe
File opened (read-only)	\??\T:	sodi_1.exe
File opened (read-only)	\??\F:	sodi_1.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

sodi_1.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\\t7qm.bmp"	sodi_1.exe

Drops file in Program Files directory 27 IoCs

Processes:

sodi_1.exe

description	ioc	process
File opened for modification	\??\c:\program files\DenyUnregister.mp4	sodi_1.exe
File opened for modification	\??\c:\program files\EditInitialize.mpeg	sodi_1.exe
File opened for modification	\??\c:\program files\UnblockMount.csv	sodi_1.exe
File created	\??\c:\program files (x86)\y42x39-readme.txt	sodi_1.exe
File opened for modification	\??\c:\program files\CompressSearch.vsd	sodi_1.exe
File opened for modification	\??\c:\program files\ResumeUnprotect.rar	sodi_1.exe
File opened for modification	\??\c:\program files\GrantRename.easmx	sodi_1.exe
File opened for modification	\??\c:\program files\ImportResolve.wps	sodi_1.exe
File opened for modification	\??\c:\program files\RepairOut.mpe	sodi_1.exe
File opened for modification	\??\c:\program files\SaveRepair.vbe	sodi_1.exe
File created	\??\c:\program files\y42x39-readme.txt	sodi_1.exe
File opened for modification	\??\c:\program files\AssertOut.mpv2	sodi_1.exe
File opened for modification	\??\c:\program files\InitializeSet.pps	sodi_1.exe
File opened for modification	\??\c:\program files\RegisterBackup.aiff	sodi_1.exe
File opened for modification	\??\c:\program files\StepJoin.ini	sodi_1.exe
File opened for modification	\??\c:\program files\ConfirmPublish.contact	sodi_1.exe
File opened for modification	\??\c:\program files\ConvertFromConvertTo.vsd	sodi_1.exe
File opened for modification	\??\c:\program files\SaveTest.dwg	sodi_1.exe
File opened for modification	\??\c:\program files\StepUndo.tiff	sodi_1.exe
File opened for modification	\??\c:\program files\BlockSync.dib	sodi_1.exe
File opened for modification	\??\c:\program files\OutLimit.xht	sodi_1.exe
File opened for modification	\??\c:\program files\InitializeOpen.css	sodi_1.exe
File opened for modification	\??\c:\program files\RestoreHide.ods	sodi_1.exe
File opened for modification	\??\c:\program files\UnpublishConfirm.pps	sodi_1.exe
File opened for modification	\??\c:\program files\CompleteCheckpoint.asx	sodi_1.exe
File opened for modification	\??\c:\program files\GroupLock.xhtml	sodi_1.exe
File opened for modification	\??\c:\program files\SetRead.dwfx	sodi_1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

sodi_1.exe

pid process

1316 sodi_1.exe
1316 sodi_1.exe
1316 sodi_1.exe
1316 sodi_1.exe

pid	process
1316	sodi_1.exe
1316	sodi_1.exe
1316	sodi_1.exe
1316	sodi_1.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

sodi_1.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1316	sodi_1.exe
Token: SeTakeOwnershipPrivilege	1316	sodi_1.exe
Token: SeBackupPrivilege	3976	vssvc.exe
Token: SeRestorePrivilege	3976	vssvc.exe
Token: SeAuditPrivilege	3976	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\sodi_1.exe
"C:\Users\Admin\AppData\Local\Temp\sodi_1.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316