sodinokibi | 892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f

General

Target

892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
Size

119KB
MD5

52d280d45daba695a565e25cdd2863d8
SHA1

60c525e2a52137514d3dfa72e8a49a0d4da98759
SHA256

892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f
SHA512

8304713277dddc0e9f899d3f91b1a8e33fb654945bd71f45185dcfee70a681df337d53df891272003ec93827aa2d5db77a9c652a3253409fe65b42c368a55701

Score

10^/10

sodinokibi ransomware suricata

Malware Config

Extracted

Path

C:\rrx2163-read-me-KRBL.txt

Family

sodinokibi

Ransom Note

---=== Welcome Kubasta Bickford & Lorenson ===--- [+] Whats Happen? [+] Your network has been penetrated. Your files are encrypted with strong military algorithm, and currently unavailable. You can check it: all files on your system has extension rrx2163. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). Also, all your info copyed to our servers. If you do not take action to contact us, the data will be published for free access to everyone. As soon as we receive the payment, all data will be deleted from our servers. [+] 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/3D6591CB73BAACA9 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/3D6591CB73BAACA9 Contact with us in chat on website. You have 3 days. If you need more time to make a decision and collect money for payment - inform the support chat about this. [+] How will the decryption process proceed after payment? [+] After payment we will send to you our scanner-decoder program and detailed instructions for use. With this program you will be able to decrypt all your encrypted files. 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: Q+JgnOMKNhxCDO7MkfRZcDL+GJ8C4RT7xqrZjfrkBkkQzlOYLslZOgIPl3p+etKk lOY/u8xR6QO+VqF83ODXz0r2hvfJlMFUeTzAWjTS+IhCEUDdGKLzPHsIHWEinqNd cxbm0LMTmuzrwc45EGS0NSsuxOCU3Stp9bomN/j5J8KtO1Y9flhR1Qrwlsa1nk7g cnwTTL7LRXjnfK/nX/p1AAXHpb0KedlCdLhqaksuLeqza/YCQfQny7nXvvMuFfjS d5mUClZJYiFEPGtuyfXRtkdKira8bEHdghZ7qHsKJ2+HmM48PlmyqH46tt+Ms2en iTkQ4599n6d/Ml3AmkOOpOFZw8Z79Z7FN9TA48ye4aIFCtqLRMOawUiAM5Kyclyj BCZEuKrEpmZr4mssYht46rBNFd5eRKLwoSHQ4jLPouFKn9mYTJWojC2L4a09WAnw voaPDGjaBE7VVuP1uPLAOpGuf83RzmYuSrCZwEkYSFvDneRkaOc3r/hbl2lzt6TW EgKKDRijD/hScgsvxD3jdQbMH9c7+qFf8plYjtxlcROd3eAsHUMnWmaDM0FsXxf5 Qoonf010mviAW1UfjukuvOM/FI6H0suAt6h2t0zuIWFyHEHOlhVXUbu0bH9CSxzK 83zZ2hFViaI9H6cpf220LyPtPC/ZeN7pG15Tjv45Uwi1qjeh0CsIv7sRRcOBLyyl Ema0+zKj/3wz9mB9iIq2BTZdn3QBqjWSH5le5+Cdn0DbfxVajVKD8KsFJrZjDleN uLosSqDQ+Hw+lc4Pqvx2m+XKyt1bYRmm/gQ6HTjGxDPZZIHIzdUfskKnzFEYVLSZ j1wGEHK/DmqMauudobs6OGt83QF5dAGIOWfd5YlnaSA4zuB9EOU2G4mPNLMX5Gkw k3EOvHVye1Ai0IiAvSyQ1vqahc+e6UMwx4zFSG6tAn7gE2Cmjyka4Z3HTXSzzdxm bLMxzFSpFjyXIqrQOwAymT+Ivl6G0BfGTLVu/GNXpHX+dltCAtK5/nAFGA/8obL7 bk/W+fTrurR/YR0Z6JSqSQ2+l9yel7mRICX/cBNME9CesTbkNXoClID2K7zcNs/r b0Gwfm80D0JHrVTwastdVEfxumSimjbqEzMcrYrsaloepOY5OQ2JOAQKYYPEkb/Z pa84VPQRTX4FI+RlM3MrmJKOU0Mghq8qVrWTcdz40qcSwL0WNFLLtTyKbr4LIQ3D GdF/S2wBsSZD+PqZwI5QRsmOkOWtCIj4a6rXj1TrVSH/CBE9w4WjvuzHeH+32T+D gM/oyBKbw98= ----------------------------------------------------------------------------------------- !!! 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/3D6591CB73BAACA9

http://decoder.re/3D6591CB73BAACA9

Signatures

Sodin,Sodinokibi,REvil
Ransomware with advanced anti-analysis and privilege escalation functionality.
ransomware sodinokibi
suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Known Sinkhole Response Header
suricata

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

regsvr32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\RestartComplete.tif => \??\c:\users\admin\pictures\RestartComplete.tif.rrx2163	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\UnblockStep.png => \??\c:\users\admin\pictures\UnblockStep.png.rrx2163	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\CompareMerge.raw => \??\c:\users\admin\pictures\CompareMerge.raw.rrx2163	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ExpandInitialize.tif => \??\c:\users\admin\pictures\ExpandInitialize.tif.rrx2163	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\HideResize.raw => \??\c:\users\admin\pictures\HideResize.raw.rrx2163	regsvr32.exe
File opened for modification	\??\c:\users\admin\pictures\ReceiveWait.tiff	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ReadEnable.tif => \??\c:\users\admin\pictures\ReadEnable.tif.rrx2163	regsvr32.exe
File renamed	C:\Users\Admin\Pictures\ReceiveWait.tiff => \??\c:\users\admin\pictures\ReceiveWait.tiff.rrx2163	regsvr32.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:

regsvr32.exe

description	ioc	process
File opened (read-only)	\??\M:	regsvr32.exe
File opened (read-only)	\??\P:	regsvr32.exe
File opened (read-only)	\??\E:	regsvr32.exe
File opened (read-only)	\??\F:	regsvr32.exe
File opened (read-only)	\??\G:	regsvr32.exe
File opened (read-only)	\??\H:	regsvr32.exe
File opened (read-only)	\??\J:	regsvr32.exe
File opened (read-only)	\??\A:	regsvr32.exe
File opened (read-only)	\??\T:	regsvr32.exe
File opened (read-only)	\??\U:	regsvr32.exe
File opened (read-only)	\??\V:	regsvr32.exe
File opened (read-only)	\??\D:	regsvr32.exe
File opened (read-only)	\??\K:	regsvr32.exe
File opened (read-only)	\??\O:	regsvr32.exe
File opened (read-only)	\??\Q:	regsvr32.exe
File opened (read-only)	\??\S:	regsvr32.exe
File opened (read-only)	\??\W:	regsvr32.exe
File opened (read-only)	\??\X:	regsvr32.exe
File opened (read-only)	\??\B:	regsvr32.exe
File opened (read-only)	\??\I:	regsvr32.exe
File opened (read-only)	\??\L:	regsvr32.exe
File opened (read-only)	\??\N:	regsvr32.exe
File opened (read-only)	\??\R:	regsvr32.exe
File opened (read-only)	\??\Y:	regsvr32.exe
File opened (read-only)	\??\Z:	regsvr32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\whlt9h.bmp"	regsvr32.exe

Drops file in Program Files directory 27 IoCs

Processes:

regsvr32.exe

description	ioc	process
File opened for modification	\??\c:\program files\TraceHide.ppsm	regsvr32.exe
File opened for modification	\??\c:\program files\MoveProtect.zip	regsvr32.exe
File opened for modification	\??\c:\program files\SearchOpen.zip	regsvr32.exe
File opened for modification	\??\c:\program files\SubmitCompare.cr2	regsvr32.exe
File opened for modification	\??\c:\program files\FormatPublish.html	regsvr32.exe
File opened for modification	\??\c:\program files\PingBackup.ttf	regsvr32.exe
File opened for modification	\??\c:\program files\SwitchComplete.wma	regsvr32.exe
File opened for modification	\??\c:\program files\RedoBlock.3gp	regsvr32.exe
File opened for modification	\??\c:\program files\BlockInstall.mov	regsvr32.exe
File opened for modification	\??\c:\program files\MergeGet.emz	regsvr32.exe
File opened for modification	\??\c:\program files\ConvertFromSkip.inf	regsvr32.exe
File opened for modification	\??\c:\program files\DisableRestart.vsdx	regsvr32.exe
File opened for modification	\??\c:\program files\FormatUnpublish.M2T	regsvr32.exe
File opened for modification	\??\c:\program files\UpdateSuspend.mpg	regsvr32.exe
File opened for modification	\??\c:\program files\OptimizeCopy.html	regsvr32.exe
File opened for modification	\??\c:\program files\PingDisable.tiff	regsvr32.exe
File created	\??\c:\program files (x86)\rrx2163-read-me-KRBL.txt	regsvr32.exe
File opened for modification	\??\c:\program files\AddUninstall.js	regsvr32.exe
File opened for modification	\??\c:\program files\ConnectBackup.htm	regsvr32.exe
File opened for modification	\??\c:\program files\PingCopy.rle	regsvr32.exe
File opened for modification	\??\c:\program files\StopResolve.css	regsvr32.exe
File opened for modification	\??\c:\program files\SwitchClose.dotx	regsvr32.exe
File opened for modification	\??\c:\program files\OptimizeWait.wma	regsvr32.exe
File opened for modification	\??\c:\program files\EnableSelect.dotx	regsvr32.exe
File opened for modification	\??\c:\program files\SuspendReceive.xlsb	regsvr32.exe
File created	\??\c:\program files\rrx2163-read-me-KRBL.txt	regsvr32.exe
File opened for modification	\??\c:\program files\DebugSplit.zip	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

regsvr32.exe

pid process

1060 regsvr32.exe
1060 regsvr32.exe
1060 regsvr32.exe
1060 regsvr32.exe

pid	process
1060	regsvr32.exe
1060	regsvr32.exe
1060	regsvr32.exe
1060	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

regsvr32.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	1060	regsvr32.exe
Token: SeTakeOwnershipPrivilege	1060	regsvr32.exe
Token: SeBackupPrivilege	3992	vssvc.exe
Token: SeRestorePrivilege	3992	vssvc.exe
Token: SeAuditPrivilege	3992	vssvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3744 wrote to memory of 1060	3744	regsvr32.exe	regsvr32.exe
PID 3744 wrote to memory of 1060	3744	regsvr32.exe	regsvr32.exe
PID 3744 wrote to memory of 1060	3744	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\892083cb3f064e9434df593bfdf6f00e48ab68778bfca8d9a64d697d5d19fe5f.dll
2⤵
- 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:1060