sodinokibi | 5d9b68455031f1c5b78d6fc0af037cb7ea72b465fd32fdce368420b8b816e3e1

General

Target

6e139f3d_by_Libranalysis.exe
Size

164KB
MD5

6e139f3da41b57d2a7b90b6a8d52a396
SHA1

47f4b6b0b655f6659ec0f4e84d479b5c35d8a9b0
SHA256

5d9b68455031f1c5b78d6fc0af037cb7ea72b465fd32fdce368420b8b816e3e1
SHA512

70c53a619f5f4ccb550530f980cf79fec2c252fa173640d61a2d10d986b90b334dc74f6fe227f3b77fe5de9abbc03962444de055e32b355b9f3358e450f3f50c

Score

10^/10

sodinokibi ransomware

Malware Config

Extracted

Path

C:\k5t4o4-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 computer has extension k5t4o4. 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/93F84E53B910D35B 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.top/93F84E53B910D35B 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: 5gx6iWBt1tjveYMIzraiZT5ITWHZ1ZQoTdBqxoMF49iQS1aLV8bcAFg1evMBXHu9 lheD7CQ6GvHO6IqussjrCpC0o+R5At0QO0SkYh8HtfoBxSWmqFJjEaG9qnf0Uym4 aoYhpI64ApXHO6I2G8jVYKatXBPDVWn69msqjqVM4u1YnTV9YeiET0rxA9KC9Jy9 XEzrv8hpGLYtCJfe7kJbWUS0DLNhaUmpZ9vcObuVuHCSxuykgCu0dqm54U3QX3hV P6AXAFQ5IKjTY+fqsFgsnb/xovDYc8vBvRO6o3A5B1viTF+MHgvlBLxhfdJ7n5Dd cqtH0MEg5YaVGp3Mxvjke0wjuCTeDbp+hg4cBp+Urm+I/Mx+/HcjAjc2Qad+1KdU 6oHIW+e2jhC56Hy1KYyGkZMBf3ns8mPPrDVSiNybXkyb8B6PunZaXYRq7Et08Ujx ynIzDlD5xR9gTAGkQ21ddw8df4+PGfYMrV7u2YPui7cmBGLzJbvAx66sPEZM2JRL w8ipzSIV138XsJ5tcojJCHKqw0mRGxE6kRe/Vi6Crovh1Uxjw/omOPza2Xkxk4Ow KStL4x3nOd/gIauP3xQHwTNnAz3uD0OCrTG3lAsqhcNxp8p+rwgIfhXS9/2eeNvX yrILNTiZYzwTjQEn2dG9NxY4vp0hxYi730kYnroQN59Nly0uyx63rqOqd4mNlaIl FyDLo98JJmxTCypijBVYXBpWAemwo6NRswsvVoukFA3HuNAAnC0f0gjSJOQGHFE1 sr8AM1RZms9gA8SRreKvG0Sgl+jNXiGKeae9DCiKvRhj7rzES/AZ4QIKCPyecW7B oCzQpqbzr0/UtWPyUexnstJjvzzIn/yumMKdBLzOa17wN2a7aJlsd6oqFuKYq7Xi 7nu3TXVN+DeQWrwXadQ0iCwLds5HegY8m7WvOW8YIUVciV+DG3Ao2jKWVE7GfXGJ 9s0HBNCrfl7XBA9OvqsDX+HQfC5CfSWaircKntiAO/9couvibpDIFkLfQvMrKOTg 4eH7xHACmLUO7gWAGqW9G1hRhzCFSKm7HNrumQcnoedNT4UU0eWsIGm0ula3QuJA aliLtG/t165zrVDwUrTPrcMTvywwn5IO8Dz8wjCaGZV7OfVF7jCS8hkxaM8= Extension name: k5t4o4 ----------------------------------------------------------------------------------------- !!! 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/93F84E53B910D35B

http://decryptor.top/93F84E53B910D35B

Signatures

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

Modifies extensions of user files 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

6e139f3d_by_Libranalysis.exe

description	ioc	process
File opened for modification	\??\c:\users\admin\pictures\WaitSuspend.tiff	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\FindUndo.tif => \??\c:\users\admin\pictures\FindUndo.tif.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\ReceiveCompress.png => \??\c:\users\admin\pictures\ReceiveCompress.png.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\WaitSuspend.tiff => \??\c:\users\admin\pictures\WaitSuspend.tiff.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\CompressUpdate.crw => \??\c:\users\admin\pictures\CompressUpdate.crw.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\PublishConvert.tif => \??\c:\users\admin\pictures\PublishConvert.tif.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\SkipUnblock.crw => \??\c:\users\admin\pictures\SkipUnblock.crw.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\SuspendClose.crw => \??\c:\users\admin\pictures\SuspendClose.crw.k5t4o4	6e139f3d_by_Libranalysis.exe
File renamed	C:\Users\Admin\Pictures\WatchMeasure.png => \??\c:\users\admin\pictures\WatchMeasure.png.k5t4o4	6e139f3d_by_Libranalysis.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:

6e139f3d_by_Libranalysis.exe

description	ioc	process
File opened (read-only)	\??\E:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\F:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\O:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\R:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\S:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\T:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\X:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\Z:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\B:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\L:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\P:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\Q:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\W:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\A:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\G:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\I:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\J:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\M:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\U:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\V:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\Y:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\D:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\H:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\K:	6e139f3d_by_Libranalysis.exe
File opened (read-only)	\??\N:	6e139f3d_by_Libranalysis.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

6e139f3d_by_Libranalysis.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\\gjzda9m0x13p.bmp"	6e139f3d_by_Libranalysis.exe

Drops file in Program Files directory 38 IoCs

Processes:

6e139f3d_by_Libranalysis.exe

description	ioc	process
File opened for modification	\??\c:\program files\InitializeAssert.wmf	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ResetEnable.jfif	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ShowRestart.mp4	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\UnlockInitialize.ogg	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ConvertFromRemove.xlt	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\LimitSubmit.3g2	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\MovePop.xla	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ProtectCopy.vssx	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\RestartUnblock.vsdx	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\UnprotectTest.xml	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ConvertBackup.mp4	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\DismountComplete.tiff	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\EnableConvertFrom.aif	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\MountExpand.wvx	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\MoveSet.jpg	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\OptimizeResize.zip	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\PopInvoke.3gp2	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ResetCompare.potx	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\WatchInitialize.txt	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\OptimizeUse.vsw	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\UpdateUnblock.vsdx	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\CloseRegister.AAC	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\OpenCopy.aifc	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\UnprotectConvertTo.eps	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ExitPublish.xps	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\StopDeny.mpeg	6e139f3d_by_Libranalysis.exe
File created	\??\c:\program files\k5t4o4-readme.txt	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\LockDisconnect.contact	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\RemoveUnblock.css	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\UnblockDeny.contact	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\WatchCompare.MTS	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\WriteInstall.mpg	6e139f3d_by_Libranalysis.exe
File created	\??\c:\program files (x86)\k5t4o4-readme.txt	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\ClearUpdate.fon	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\DebugSubmit.php	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\DismountUnlock.dib	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\NewSwitch.aifc	6e139f3d_by_Libranalysis.exe
File opened for modification	\??\c:\program files\SubmitSkip.m4v	6e139f3d_by_Libranalysis.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

6e139f3d_by_Libranalysis.exepowershell.exe

pid process

1852 6e139f3d_by_Libranalysis.exe
1852 6e139f3d_by_Libranalysis.exe
3888 powershell.exe
3888 powershell.exe
3888 powershell.exe

pid	process
1852	6e139f3d_by_Libranalysis.exe
1852	6e139f3d_by_Libranalysis.exe
3888	powershell.exe
3888	powershell.exe
3888	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	3888	powershell.exe
Token: SeBackupPrivilege	4044	vssvc.exe
Token: SeRestorePrivilege	4044	vssvc.exe
Token: SeAuditPrivilege	4044	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

6e139f3d_by_Libranalysis.exe

description	pid	process	target process
PID 1852 wrote to memory of 3888	1852	6e139f3d_by_Libranalysis.exe	powershell.exe
PID 1852 wrote to memory of 3888	1852	6e139f3d_by_Libranalysis.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\6e139f3d_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\6e139f3d_by_Libranalysis.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 WriteProcessMemory
PID:1852

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3888

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:736

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4044

Network

MITRE ATT&CK Enterprise v6

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/3888-114-0x0000000000000000-mapping.dmp

Download
memory/3888-119-0x00000146F4A80000-0x00000146F4A81000-memory.dmp

Filesize
4KB

Download
memory/3888-122-0x00000146F4C30000-0x00000146F4C31000-memory.dmp

Filesize
4KB

Download
memory/3888-127-0x00000146F2A90000-0x00000146F2A92000-memory.dmp

Filesize
8KB

Download
memory/3888-128-0x00000146F2A93000-0x00000146F2A95000-memory.dmp

Filesize
8KB

Download
memory/3888-134-0x00000146F2A96000-0x00000146F2A98000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads