sodinokibi | 5c304161e70588c7bb8e7853611ec1375b56fcd0fee698203e79e07d14aec469

General

Target

r.exe
Size

469KB
MD5

337079dd6b8a049808bca0e40c98a624
SHA1

4c2b8d8b7d61d892c0c034c8327443d34b9363d5
SHA256

5c304161e70588c7bb8e7853611ec1375b56fcd0fee698203e79e07d14aec469
SHA512

1f1ac071145b4798a307bf82cdbc139bc88e53040d95ce5b61c3216ad108333aa191dd75598608c4875b92d08de8c11a4dd55c9d4fb406354758607bffc0aabc

Score

10^/10

sodinokibi persistence ransomware

Malware Config

Extracted

Path

C:\x7ud3-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 x7ud3. 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/93735AEE5AA9695C 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/93735AEE5AA9695C 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: piH+wv75coUSPH2kB0ZQQGmSrDYZ78vPhAPjfH+uFEoaGNbqWtjLGmLp6r5mq32o euWMxXrpmXUvtPtetadLdQvarnxhLqZDtmNSNwq6duLQZN329GPQSOLdg7a0VRR4 ck+WtBFtGD1giFXmW6yQKJvaIU1p+sFGve9TS9ojNHzHQObIoSQXmmXZvZ2klQ7T BSk2fIRP4iBhFj3D3y9cmnQUMRVIjxhYRpV3qbdTBtaB0gPz29JZq3/XXKisOGvC z47tqpPZ1ZeFmPSzWbySGmJFE4SQM+0nls32aR9+7mqMvt38I6VK0DfPGidamcNG DOw6YLJ4ERVb0I7yzPtPYFq4eTuueDgJkF++hwHpoCm8c+S7TKn1a9UfB+is8B0F Qky61NQaGjKn2ntSd+fMZROtqNNUrWYFzHmPUGjZx6pHov7F0TXSjsxfAdmUTWdQ RpdPZkTLlH3d9tMeTGpkt2R+KSbwQyETGpL3qqoVTfsRVXneEaEUBlaGTby+umhw Zy/qIJuuaWFLxtPs5bee8IujuAcvYbw0jFmbGtFfG6HPwsssm9ov/vAxDMiQs0ia ZqyDKt3L0N6s5pdMz4djTX9ZkyvLI2X8wXpeihIRt5FFcXMiir+XzreSRXwK9Bb4 7dFviNykb/ktjECLzold+uPNd+QeNC+BUxbuiKgsu/J8A3XObCzoqu3firB2wOds LSVPtoYuRiYrc6wD6pTBz7r452r3Gyy8DVM3XTfDoycOf/4uiuGyCk76P09bMLWD EC9sOpzhAyeZcGqk5j9eroW8PGK0l+eqNCs2nWGW2tzBeC7QGKaVA4NRYvuKse1n 4LBpgfqmWyYL1ys9magMBCErzHR73TgekSaA40TjmCYCbSARkCnccHSdXnnRW0+Q G/CeN1MJGrYqCq1V+LXjfAR6mCGC6Lm+mXhNo3ug+LgdY/cJqbjFGmjqcZItGetL OlrzoOjIsweu/vktm761UYm8FXaCzFk6Jkm7D4mlvz7dKXG9GGv5YckQ38FDzLwh Y7x9kXk6NYz/vyINzS3CIP30VP5LbN2/KZSyx8TFY4jIVbhprr4LgouFT1pfELpm 3La3EdgSc+P2kMLXOfTSSxqKV3rvVEHW0eUFV3D3gIF6r1dx2ddOKtOqld2Edfu0 ULfvuOaUCRlNbkRad0R3rMEXtAxnJpChdgmJQhMtgZkyE4Xgs/uF9A0vDJwxQLeS EjI+Cm+wZTBKllXpv1F9o0lkeJw01rr+U08OOoD5zraXPxQqRRcAQYxz29QsbrZY fbVDI2jUxz5f3lWMi86L5APvnVTDbG4nk/yrdg== Extension name: x7ud3 ----------------------------------------------------------------------------------------- !!! 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/93735AEE5AA9695C

http://decryptor.cc/93735AEE5AA9695C

Signatures

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

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

r.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ClearConvert.tif => \??\c:\users\admin\pictures\ClearConvert.tif.x7ud3	r.exe
File renamed	C:\Users\Admin\Pictures\CompareBackup.raw => \??\c:\users\admin\pictures\CompareBackup.raw.x7ud3	r.exe
File renamed	C:\Users\Admin\Pictures\ConfirmCompress.png => \??\c:\users\admin\pictures\ConfirmCompress.png.x7ud3	r.exe
File renamed	C:\Users\Admin\Pictures\AssertSave.crw => \??\c:\users\admin\pictures\AssertSave.crw.x7ud3	r.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

r.exe

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

r.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

r.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\\zbrck.bmp"	r.exe

Drops file in Program Files directory 35 IoCs

Processes:

r.exe

description	ioc	process
File opened for modification	\??\c:\program files\TestPublish.mp2	r.exe
File opened for modification	\??\c:\program files\WaitCopy.docx	r.exe
File opened for modification	\??\c:\program files\DebugAdd.dib	r.exe
File opened for modification	\??\c:\program files\MeasureRename.mp2v	r.exe
File opened for modification	\??\c:\program files\RestartBackup.rle	r.exe
File opened for modification	\??\c:\program files\StartUse.mp4	r.exe
File opened for modification	\??\c:\program files\TestEnter.wm	r.exe
File opened for modification	\??\c:\program files\WriteOut.vdw	r.exe
File opened for modification	\??\c:\program files\ApproveUnblock.7z	r.exe
File opened for modification	\??\c:\program files\CheckpointEnter.3gpp	r.exe
File opened for modification	\??\c:\program files\CompleteRegister.txt	r.exe
File created	\??\c:\program files (x86)\x7ud3-readme.txt	r.exe
File opened for modification	\??\c:\program files\ConvertToGet.wma	r.exe
File opened for modification	\??\c:\program files\FormatEdit.ADT	r.exe
File opened for modification	\??\c:\program files\ReceiveUpdate.nfo	r.exe
File opened for modification	\??\c:\program files\TestShow.eps	r.exe
File created	\??\c:\program files\x7ud3-readme.txt	r.exe
File opened for modification	\??\c:\program files\EnterUnprotect.wmx	r.exe
File opened for modification	\??\c:\program files\InstallSend.mp2v	r.exe
File opened for modification	\??\c:\program files\PingSend.mpg	r.exe
File opened for modification	\??\c:\program files\SkipStep.cfg	r.exe
File opened for modification	\??\c:\program files\CheckpointDebug.tiff	r.exe
File opened for modification	\??\c:\program files\HideLimit.wmv	r.exe
File opened for modification	\??\c:\program files\RedoGrant.i64	r.exe
File opened for modification	\??\c:\program files\SendRequest.png	r.exe
File opened for modification	\??\c:\program files\ShowUnblock.ogg	r.exe
File opened for modification	\??\c:\program files\SuspendNew.docm	r.exe
File opened for modification	\??\c:\program files\ExpandOut.mpeg	r.exe
File opened for modification	\??\c:\program files\DisableAssert.wma	r.exe
File opened for modification	\??\c:\program files\DisableClose.ADTS	r.exe
File opened for modification	\??\c:\program files\InvokeTrace.pps	r.exe
File opened for modification	\??\c:\program files\MoveConvertTo.aiff	r.exe
File opened for modification	\??\c:\program files\ProtectLock.wm	r.exe
File opened for modification	\??\c:\program files\UnpublishClose.ram	r.exe
File opened for modification	\??\c:\program files\BackupUnblock.dwfx	r.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

r.exe

description pid process

Token: SeTakeOwnershipPrivilege 1088 r.exe

description	pid	process
Token: SeTakeOwnershipPrivilege	1088	r.exe

C:\Users\Admin\AppData\Local\Temp\r.exe
"C:\Users\Admin\AppData\Local\Temp\r.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:1088