sodinokibi | fbeb086471d10f63943f5e7b4812ed274d1b25a78f23899f1cd8c3d9e612d4af

General

Target

mrt.bin.exe
Size

117KB
MD5

eb27b1f8be971d6dd9ff8a41f6075995
SHA1

07a610e3da08d7be94c849d75b2672935610a919
SHA256

f5761b03f6541c1e407eed46f02c32f24adbc1e75682b1093e7e08684df31ac6
SHA512

f24c9699be2d8ae3cca9b839224ea5f88b26f9102be16492cb759449a749a3df5d4a810e9b7eb36947629e0238fea5019d985a5220a3c677f301f7877adaf737

Score

10^/10

ransomware persistence sodinokibi

Malware Config

Extracted

Path

C:\3725n519h-readme.txt

Family

sodinokibi

Ransom Note

---=== Welcome Dear MARTIN ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 3725n519h. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] Downloaded your data! Public information! [+] We downloaded 260Gb of your information. If you don't pay, we publish full archive here: http://dnpscnbaix6nkwvystl3yxglz7nteicqrou3t75tpcc5532cztc46qyd.onion/posts/170?s=9e10e7edc84e0c11efa28c245cca0f4c [+] 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/EBD487330B995E6F 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/EBD487330B995E6F 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: GrxqJEHr+tCVe6nebKUqKBMmLxJ2T75SGaXli+0MTRBQJdRA+NgfvB9+YSd+zj31 DoZCZ8w+J/w2mbOkoHq1jf4U6iVTAdPVK4GS8AKa79+ZFmHEtnKLWju3abxXRGHV TgF+5z1aDvmWzyg79tkfLNom1r+qovAB93C2JNZOOq2aISqL1QBXVVo4uwhUnLQF V3V7MIvXO0XoNHDDCvKlBOxGGzUNb6Wdm5M4eb9JmdVm9d+nKLcRNbuig3uME16/ voetOivooUji5vKyzB2P7eUzJAuuK86MvL4XeARvv3uK7fYR9QBWVQKWptY4yj19 4yFWyZjg2lk3Auf0iL+fkTD1TT1d2sjb2GisXiU5UZv35s9V+IoViignTa1MfiGS ZvWtgPBRXA/2ndWPwgkimplL54gdULioCtybmwtMATOrXgYE7qZ4kFZo6iOkKDG9 h0NS2S1gPLjDLDfr90AXCsFryonudUUmeBfNcPi8fxH1fiSS3ku1/unIzwBDFb6X nOtmW3HjQ8DxmK7uuN+0vT3kZ3HWJGJuw4fO2AjLY7QlBqEOT6DiW4ozSHIKrZgy ZLbFkkP7KEJuDLfhTomsiIerW87tr67RbGCXHf3SF8xp26AHLwgZIgaQfwkFPsXL hx26k7ombI2WFjVDj+gI36SuYAp9g/uPW3vmL8yhld24qma5BDRgs6F0H3rtK2gL xasrNBQAo8y2pqmmbuoZTZnUvk3p3FqUxYKFxWrRAULcq/VfUepB5rIMbPXlHFWx Bbsbhzjcj7asKJdzIn3HjTFXgisXDXn5B1Tf3Fm989YCkVw4xjoiHzZ+/0gIdDin QHxYah1OexpqgJbVr3uyiFDDIVCcpvfMNg0rg4XvZ215M6X/QIaXVkfeA+3exPXD GMgKhbhUzqICC13Is9KHlYEnWcq7N53n5iQTlrdbhqU0A7xzDMhxec9cjS8SVH2N 22171CFmTZWvJaRzA7g9THuPwOksrLNnqR4Ef3C9aOalEq7gxG5WHTTHBlkKdtpV RZKPkNKSu7UtaOqRAhNTYtuFrzBoQqljJnOHIXiohqBNzz6eXyhy+6dF4kxyIJ7w z4dViAPQyKKlN6qlMCd3CDbeCRm8YQCsM6Tu4GD+pB1QLZFhHwqbKVbEcNVSbM+e RaiEmy7V3Zo8ddAvKhWDhNVITz9OaaHmfUtK/fe75cQ7NmYySHEH8CkZi90QDrnu l+9o7ojDbSOQLcuf+yWdpUnrzxBo0eN/0tYVdj5LhA8KHFTM/edJ5NOGhjIxr9Ax YnUgum0I9gj7Mz6RlC6h1cWMZzZNUA== ----------------------------------------------------------------------------------------- !!! 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/EBD487330B995E6F

http://decryptor.cc/EBD487330B995E6F

Signatures

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

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

mrt.bin.exe

description	ioc	process
File opened for modification	\??\c:\users\admin\pictures\EnterUnblock.tiff	mrt.bin.exe
File renamed	C:\Users\Admin\Pictures\EnterUnblock.tiff => \??\c:\users\admin\pictures\EnterUnblock.tiff.3725n519h	mrt.bin.exe
File renamed	C:\Users\Admin\Pictures\OutExport.tif => \??\c:\users\admin\pictures\OutExport.tif.3725n519h	mrt.bin.exe
File renamed	C:\Users\Admin\Pictures\SwitchProtect.tif => \??\c:\users\admin\pictures\SwitchProtect.tif.3725n519h	mrt.bin.exe
File renamed	C:\Users\Admin\Pictures\UnprotectCompress.tif => \??\c:\users\admin\pictures\UnprotectCompress.tif.3725n519h	mrt.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:

mrt.bin.exe

description	ioc	process
File opened (read-only)	\??\H:	mrt.bin.exe
File opened (read-only)	\??\R:	mrt.bin.exe
File opened (read-only)	\??\S:	mrt.bin.exe
File opened (read-only)	\??\W:	mrt.bin.exe
File opened (read-only)	\??\X:	mrt.bin.exe
File opened (read-only)	\??\A:	mrt.bin.exe
File opened (read-only)	\??\J:	mrt.bin.exe
File opened (read-only)	\??\K:	mrt.bin.exe
File opened (read-only)	\??\M:	mrt.bin.exe
File opened (read-only)	\??\N:	mrt.bin.exe
File opened (read-only)	\??\Q:	mrt.bin.exe
File opened (read-only)	\??\T:	mrt.bin.exe
File opened (read-only)	\??\V:	mrt.bin.exe
File opened (read-only)	\??\F:	mrt.bin.exe
File opened (read-only)	\??\I:	mrt.bin.exe
File opened (read-only)	\??\U:	mrt.bin.exe
File opened (read-only)	\??\Z:	mrt.bin.exe
File opened (read-only)	\??\D:	mrt.bin.exe
File opened (read-only)	\??\E:	mrt.bin.exe
File opened (read-only)	\??\G:	mrt.bin.exe
File opened (read-only)	\??\L:	mrt.bin.exe
File opened (read-only)	\??\O:	mrt.bin.exe
File opened (read-only)	\??\P:	mrt.bin.exe
File opened (read-only)	\??\Y:	mrt.bin.exe
File opened (read-only)	\??\B:	mrt.bin.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\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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writer	vssvc.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

mrt.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\y4o78b4u5a7.bmp"	mrt.bin.exe

Drops file in Program Files directory 22 IoCs

Processes:

mrt.bin.exe

description	ioc	process
File opened for modification	\??\c:\program files\CompressResume.M2TS	mrt.bin.exe
File opened for modification	\??\c:\program files\DisconnectFormat.wax	mrt.bin.exe
File opened for modification	\??\c:\program files\InitializeSync.xsl	mrt.bin.exe
File opened for modification	\??\c:\program files\MoveCopy.xlsm	mrt.bin.exe
File opened for modification	\??\c:\program files\RemoveUndo.wmx	mrt.bin.exe
File created	\??\c:\program files\3725n519h-readme.txt	mrt.bin.exe
File created	\??\c:\program files (x86)\3725n519h-readme.txt	mrt.bin.exe
File opened for modification	\??\c:\program files\CheckpointAdd.ogg	mrt.bin.exe
File opened for modification	\??\c:\program files\SwitchNew.htm	mrt.bin.exe
File opened for modification	\??\c:\program files\SwitchRequest.aiff	mrt.bin.exe
File opened for modification	\??\c:\program files\RegisterProtect.wma	mrt.bin.exe
File opened for modification	\??\c:\program files\RegisterUninstall.js	mrt.bin.exe
File opened for modification	\??\c:\program files\RepairConnect.aifc	mrt.bin.exe
File opened for modification	\??\c:\program files\SaveExit.vdx	mrt.bin.exe
File opened for modification	\??\c:\program files\ConfirmStep.odt	mrt.bin.exe
File opened for modification	\??\c:\program files\ConvertToUndo.jtx	mrt.bin.exe
File opened for modification	\??\c:\program files\PushExpand.dot	mrt.bin.exe
File opened for modification	\??\c:\program files\ProtectStep.mov	mrt.bin.exe
File opened for modification	\??\c:\program files\UnlockPop.dotx	mrt.bin.exe
File opened for modification	\??\c:\program files\CompareRegister.vsdm	mrt.bin.exe
File opened for modification	\??\c:\program files\FormatHide.doc	mrt.bin.exe
File opened for modification	\??\c:\program files\FormatSearch.dwg	mrt.bin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

mrt.bin.exe

pid process

3148 mrt.bin.exe
3148 mrt.bin.exe
3148 mrt.bin.exe
3148 mrt.bin.exe

pid	process
3148	mrt.bin.exe
3148	mrt.bin.exe
3148	mrt.bin.exe
3148	mrt.bin.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

mrt.bin.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	3148	mrt.bin.exe
Token: SeTakeOwnershipPrivilege	3148	mrt.bin.exe
Token: SeBackupPrivilege	2452	vssvc.exe
Token: SeRestorePrivilege	2452	vssvc.exe
Token: SeAuditPrivilege	2452	vssvc.exe

C:\Users\Admin\AppData\Local\Temp\mrt.bin.exe
"C:\Users\Admin\AppData\Local\Temp\mrt.bin.exe"
1⤵
- 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
PID:3148