sodinokibi | 3cd9e7d0302d67419ed33d683d8e5e2ea9e7474191b2717be4b14c3589ac96e2

General

Target

full.bin.exe
Size

122KB
MD5

75b7a0612a92dd0230ab84ca81e07e01
SHA1

c459b33b46d4d08ea720a449422ff2253ad16a09
SHA256

203e8db304a49ec45bb077154254d8209074ce0bbceede18c02de5cd27ed4e46
SHA512

cd09cf413da8792373362abae9cc787524a7022ee28ab59d33aca4e5bddae14845658e24844b9d92ed46fa8038fc729ddb7fcd743d12dc01eb416e4b1af637bf

Score

10^/10

sodinokibi evasion persistence ransomware

Malware Config

Extracted

Path

C:\yb6yg3p3q-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 yb6yg3p3q. 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/EB1431A5C605227C 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://decoder.re/EB1431A5C605227C 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: qMOnnLn3+hkJig6JNd1BhygeG1wTDWkv/GjWTof047/5uhg3epKYK7Fc5PAlGmCO KOQH+itd0/Cr8HAQebcbKr2bDWkvAoGd+02UIMrCWGfOXDpSUJ9XkFl5I4DBvrlW 21VzDsAPnGVItdUTVij1P/hrOog+xbuwGG9Z5VpTU+MXIHe2dOK+lJgT9x4j9pJS 94W408JQ4+GVtEyCsbQ0JciUxYAJ7vo6y/88+3n+sukBLv3dKyynaKhZ3itc2YtT 1irbso5GWGLAGOxL4e+Z05tXlzVse1R8DfciRxrtpQh285IQtYDoTPOwzpHswzWg Zo4k7VJuVW/gWxuJEjPZ4E4h+cORxXZjqNSSS1D/i1Xa4pfQWsJDpRPK5TRJ7A7H HCgwnAABjyvWGZ8egq0MDIj9Qk93558jN7GZKiHMIHA5UiUGTJKQKY8zo1iejOkC /rfmRvY8nwJjAeX5/lEuRDhs91wzc0ECNQuVDNOm1QNsR2qO7uhvyKnA/TvxLAPD ckDTCiIS/ZjGWJxpBp6sfBBZbZifOTzfQtJyDA+2r7rr60ogPwIF8bvTKtTMRqDt vDmXMBxS69Jpt2XyFIjuJHoJYaxpNZb7h/LFwnO3PJlmh0mI7iz7mmcqD0+AQusC b56fWlyD7AsGyigVtnokvYnFfRzVqpVm2NUkBzuk/QtlHDZKHtB9OQaHKHon4J4I /EfJWcWNsfyydy2cFZSaMTSipra8U1eXqaRT3DQms665b0LDCZDTh/XQFFZzCZ6Q Ha7wUU9b//7QH8Iy85zBeJNmTi+JySiVZytDfdncB/s29SGQ+BOWvJEmBP+m6bTp 6feEehULOidfKiS4Z2xZFfOptdosapWKth+Nr2w47hMCFfLWxNA5FhtM7IhqkHZn 3sGsFBgwHIst27R++9tZO/HWfHZ0G4vZkA+dFeC2494A4Ohbdfq7cBox2/6UkMEv aLJSXRDK8cXJXYVh9uscYSaW808iYWIKrA4mcoi0kFUn8rZdF/ZGoE/lEPBdqjPk E3350InZkKYQUk4X0NDtA9TfjWAO9M7NzbZBpo2oq5uRstNmIs1aKYGNo5nPuUQf +mzkwMdZnQQa/jDeFPkLEUCVde4egHRMhL+1YHpBvKuS2JYWoNxC2DdDzAMx4IVW 6qpZ6UYuHJcMCD+cAFVoT0N82mu0tSZ+OgBKuVxhRsnC6gas0FJWWYnXTzvzeXyY h9XEHlt6d7qFXti5ZZF/GdBNgG4caq6Ba8a8J+T2m3LjrPOW1g/8dhv0qiyRcCpJ Z9t8tas5/p3PP8NR ----------------------------------------------------------------------------------------- !!! 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/EB1431A5C605227C

http://decoder.re/EB1431A5C605227C

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Modifies extensions of user files 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

full.bin.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\ProtectMove.tiff => \??\c:\users\admin\pictures\ProtectMove.tiff.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\SelectTrace.raw => \??\c:\users\admin\pictures\SelectTrace.raw.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\UpdateJoin.tif => \??\c:\users\admin\pictures\UpdateJoin.tif.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\CompressRevoke.raw => \??\c:\users\admin\pictures\CompressRevoke.raw.yb6yg3p3q	full.bin.exe
File opened for modification	\??\c:\users\admin\pictures\ProtectMove.tiff	full.bin.exe
File opened for modification	\??\c:\users\admin\pictures\SaveHide.tiff	full.bin.exe
File renamed	C:\Users\Admin\Pictures\SaveHide.tiff => \??\c:\users\admin\pictures\SaveHide.tiff.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\SplitSave.png => \??\c:\users\admin\pictures\SplitSave.png.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\BlockSwitch.tif => \??\c:\users\admin\pictures\BlockSwitch.tif.yb6yg3p3q	full.bin.exe
File renamed	C:\Users\Admin\Pictures\RenameRead.raw => \??\c:\users\admin\pictures\RenameRead.raw.yb6yg3p3q	full.bin.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

full.bin.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	full.bin.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\t32mMaunsR = "C:\\Users\\Admin\\AppData\\Local\\Temp\\full.bin.exe"	full.bin.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:

full.bin.exe

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

full.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\89oj5.bmp"	full.bin.exe

Drops file in Program Files directory 32 IoCs

Processes:

full.bin.exe

description	ioc	process
File opened for modification	\??\c:\program files\DisconnectDisable.3gpp	full.bin.exe
File created	\??\c:\program files (x86)\yb6yg3p3q-readme.txt	full.bin.exe
File opened for modification	\??\c:\program files\BlockDisable.rle	full.bin.exe
File opened for modification	\??\c:\program files\CompareRevoke.wvx	full.bin.exe
File opened for modification	\??\c:\program files\CompleteGet.3gp2	full.bin.exe
File opened for modification	\??\c:\program files\BlockRename.png	full.bin.exe
File opened for modification	\??\c:\program files\ImportEnable.rm	full.bin.exe
File opened for modification	\??\c:\program files\RequestResolve.otf	full.bin.exe
File opened for modification	\??\c:\program files\SendSuspend.M2TS	full.bin.exe
File opened for modification	\??\c:\program files\EnterEnable.png	full.bin.exe
File opened for modification	\??\c:\program files\WaitPing.mpeg	full.bin.exe
File created	\??\c:\program files\tmp	full.bin.exe
File opened for modification	\??\c:\program files\ExitStep.vssx	full.bin.exe
File opened for modification	\??\c:\program files\GetConfirm.contact	full.bin.exe
File opened for modification	\??\c:\program files\SearchUninstall.mp2v	full.bin.exe
File opened for modification	\??\c:\program files\ResumeStop.m4v	full.bin.exe
File opened for modification	\??\c:\program files\StopEnable.m4v	full.bin.exe
File created	\??\c:\program files\yb6yg3p3q-readme.txt	full.bin.exe
File opened for modification	\??\c:\program files\AddUnpublish.ppsm	full.bin.exe
File opened for modification	\??\c:\program files\PublishBlock.3g2	full.bin.exe
File opened for modification	\??\c:\program files\ReadUninstall.temp	full.bin.exe
File opened for modification	\??\c:\program files\RevokeCheckpoint.xlsm	full.bin.exe
File created	\??\c:\program files (x86)\tmp	full.bin.exe
File opened for modification	\??\c:\program files\ClearRepair.tiff	full.bin.exe
File opened for modification	\??\c:\program files\ConvertFromEdit.wvx	full.bin.exe
File opened for modification	\??\c:\program files\ImportDebug.search-ms	full.bin.exe
File opened for modification	\??\c:\program files\CompressTest.rtf	full.bin.exe
File opened for modification	\??\c:\program files\DisableTest.dwg	full.bin.exe
File opened for modification	\??\c:\program files\BlockDisable.wmf	full.bin.exe
File opened for modification	\??\c:\program files\CheckpointInstall.pps	full.bin.exe
File opened for modification	\??\c:\program files\MoveLock.emf	full.bin.exe
File opened for modification	\??\c:\program files\UpdatePublish.xlsb	full.bin.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

full.bin.exe

pid	process
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe
416	full.bin.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

full.bin.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	416	full.bin.exe
Token: SeTakeOwnershipPrivilege	416	full.bin.exe
Token: SeBackupPrivilege	772	vssvc.exe
Token: SeRestorePrivilege	772	vssvc.exe
Token: SeAuditPrivilege	772	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

full.bin.exe

description	pid	process	target process
PID 416 wrote to memory of 768	416	full.bin.exe	netsh.exe
PID 416 wrote to memory of 768	416	full.bin.exe	netsh.exe
PID 416 wrote to memory of 768	416	full.bin.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\full.bin.exe
"C:\Users\Admin\AppData\Local\Temp\full.bin.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
- Suspicious use of WriteProcessMemory
PID:416