sodinokibi | fbeb086471d10f63943f5e7b4812ed274d1b25a78f23899f1cd8c3d9e612d4af

General

Target

mrt.exe
Size

117KB
MD5

eb27b1f8be971d6dd9ff8a41f6075995
SHA1

07a610e3da08d7be94c849d75b2672935610a919
SHA256

f5761b03f6541c1e407eed46f02c32f24adbc1e75682b1093e7e08684df31ac6
SHA512

f24c9699be2d8ae3cca9b839224ea5f88b26f9102be16492cb759449a749a3df5d4a810e9b7eb36947629e0238fea5019d985a5220a3c677f301f7877adaf737
SSDEEP

3072:6h/v/aqIQhwIgM4spJgFzCVeWkZlS69se:o/vf9hZgMFpeFWVeW+p

Score

10^/10

sodinokibi discovery ransomware

Malware Config

Extracted

Path

C:\Users\uj8kxm2vn-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 uj8kxm2vn. 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/E3F78E6416179243 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/E3F78E6416179243 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: vHtLBInqoL5eQ4hDW3wQhLIbytLo/7WiFr0kERtJTaqFCTqPEgFfJtQKy2KoKoDw WrerCForwfmjYDnyE2DxGeOaRmiJ2D20kykVCgDYXeUcY0ejthe2TZn1e5a/Q6HK TdTK0bEtYn3zcEBaK/NdJwMLiVtkVV3vgdXm2eMqXAVP4oSb37XQWE7AILGI2l5x 1cHgZo+OhY4Nb/R7/IR06PqVpNkytkW/nFc8X7HDsHMNYW8kyX6Hl9atpTabW9Vr wvh1j9uCisGJ7T1oX4/mWSdJ5Z5bNdF/kbf12tLSkoOvLF6YUt/ydni7/0CLbQt1 QIGy0Rp94pEVYrn0PGaRaGJbq/56675zpE3tBJpvWUa/qwTR6hv6Wzkxiq8JU+mg 1XkDFq4GW2TTlJRTSdWooe06lc57RHxm2VJyQrQBRohrqY+5mFQYKIa2apdaX5vH OEXbUIES2t5Vq0rLsnZLQzTcqVn+uT51wXZo6aeL5qB5JjPNPXubeRYxEUDLOSBl z11oQp3evtby+DdS9OfOGbBae7PK/OzN8lFuy6pnWajWcw6JHzvF9GvH0oD1fNUO N/hATrcW0gJcMDxr6dcTyANoQZcQk4lqJorsUH9wPcRNWceD2W7g7nHz8GplP1Gt TpgA/3kXVFjqcT7iqPAkWXuwRgfs2Fhsy3ElPcRajDpi7cUu2O03tMucwwKRnPpL /ND21A2gDlFIk5flEQNzBoIHWCXIHpa9ajeu4it8LNyHR8x2xFnRx4OZjeHbrRIa OZQMQJbPs+oDur0eryK1bGwN5U02jTR4yakDb0EIgrMKmicUCFdR6qHS6Sshv3Yc HylOavMVb+cagLoFiwSdwEm5WjADYNL2jP7iBjZUuZ4m8+Zdbf6EsZL6KgElK+2+ +DRQnFy3gX5OBpO7jpfSMiusi0cw6rBwgFD1tPKyUfsKQEZi4l/0o3KRldcY6fpV AMw9tZjnIGD400ygMl6e6SRw783o25SN6OLYmg0YNlKTXrmkPMRpMNV/1SF/pofy u8SStP5YCVHBhatT9Hp13Kjq8kNfu4AyReMPZQMkaBt1UhSA5Ka6GkeKDdF5BC6O 96IqEhkDwTgpY8KoS6w0qdfdr8gM/exhrm4X812RXP8AjSitNYy/0eG7xIpDP3rq a26wBcEAofcwjMl10EFNupjVhz+N8HJBxG2xa/jpX1RlSpQG6RFsXmbo2sH9H6Tm diPFj9ufM8FJ0fPkBESHLo+0X/JkoWMgPhY615M8L88/YWJpGP29ocWkEjqKlrIt twEWLGB5xVir4bbuuvNgWbu03naJNPvM/5XKK4V6LVD5Sqq3dGkaa4wcX+DjGs4Y JYyoQHXo9ek4DzJtAZKb5SUPtjth+Plb4nm4HeQLzp4+6jacyno= ----------------------------------------------------------------------------------------- !!! 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/E3F78E6416179243

http://decryptor.cc/E3F78E6416179243

Signatures

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

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

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7e5w62xi8.bmp"	mrt.exe

Drops file in Program Files directory 25 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\UndoReceive.scf	mrt.exe
File opened for modification	\??\c:\program files\HideOpen.csv	mrt.exe
File opened for modification	\??\c:\program files\RenameHide.bmp	mrt.exe
File opened for modification	\??\c:\program files\ResetPing.csv	mrt.exe
File opened for modification	\??\c:\program files\ShowLock.rm	mrt.exe
File opened for modification	\??\c:\program files\RedoDeny.vssx	mrt.exe
File opened for modification	\??\c:\program files\SendOpen.m1v	mrt.exe
File opened for modification	\??\c:\program files\UnpublishImport.xhtml	mrt.exe
File opened for modification	\??\c:\program files\WatchRead.css	mrt.exe
File created	\??\c:\program files\uj8kxm2vn-readme.txt	mrt.exe
File opened for modification	\??\c:\program files\AssertUninstall.pptx	mrt.exe
File opened for modification	\??\c:\program files\EnterConfirm.avi	mrt.exe
File opened for modification	\??\c:\program files\PushSelect.css	mrt.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\uj8kxm2vn-readme.txt	mrt.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\uj8kxm2vn-readme.txt	mrt.exe
File opened for modification	\??\c:\program files\SelectDisable.raw	mrt.exe
File opened for modification	\??\c:\program files\UninstallUnlock.ppsm	mrt.exe
File opened for modification	\??\c:\program files\UnlockSkip.dib	mrt.exe
File created	\??\c:\program files (x86)\uj8kxm2vn-readme.txt	mrt.exe
File opened for modification	\??\c:\program files\GetRemove.vbe	mrt.exe
File opened for modification	\??\c:\program files\RegisterSplit.emz	mrt.exe
File opened for modification	\??\c:\program files\RestoreEnter.AAC	mrt.exe
File opened for modification	\??\c:\program files\OpenRename.mov	mrt.exe
File opened for modification	\??\c:\program files\UseMount.pub	mrt.exe
File created	\??\c:\program files (x86)\microsoft sql server compact edition\v3.5\desktop\uj8kxm2vn-readme.txt	mrt.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mrt.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2708	mrt.exe
2708	mrt.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	mrt.exe
Token: SeTakeOwnershipPrivilege	2708	mrt.exe
Token: SeBackupPrivilege	1660	vssvc.exe
Token: SeRestorePrivilege	1660	vssvc.exe
Token: SeAuditPrivilege	1660	vssvc.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\mrt.exe
"C:\Users\Admin\AppData\Local\Temp\mrt.exe"
1⤵
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:2016

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

C:\Users\uj8kxm2vn-readme.txt

Filesize
7KB

MD5
df19e71f9c0d8cb3861328208f5f8a9c

SHA1
4ea226bb6dbcdfb5efcb813d934d5cef0e2b1b03

SHA256
ef94ca8f71c1bf6328c7222f587ebc92bbb63e6380da35f0a05852906b452170

SHA512
62d30285c346fef60626c77c11b954fff6df7f11539f2b48543e3d5228f2870bdb96e108a30d2d8e81a464ae7c33b255e4630c83e75bd1a9e25ff5d025f464a9

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Analysis

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