fc70a3f17ca6d94e2bf5d73ecbdc6be9ed923e27dcd3c68bc3d1a874160b8cfc

General

Target

REvil_Kaseya/8dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd.dll
Size

789KB
MD5

a47cf00aedf769d60d58bfe00c0b5421
SHA1

656c4d285ea518d90c1b669b79af475db31e30b1
SHA256

8dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd
SHA512

4c2dcad3bd478fa70d086b7426d55976caa7ffc3d120c9c805cbb49eae910123c496bf2356066afcacba12ba05c963bbb8d95ed7f548479c90fec57aa16e4637

Score

10^/10

evasion ransomware

Malware Config

Extracted

Path

C:\v6abu3kll-readme.txt

Ransom Note

---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension v6abu3kll. 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/2523CBC1B2656EAB 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/2523CBC1B2656EAB 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: W2pifTrY3l5a9BtFV27EyqdXyTQ6e+hpWn83YZb1BngPfg4GS3XueNZ6Y6FFzfTz b663Fcl6nGUBlJne6CpZ7QC4uJSxCE7vx2Up3p84rFVrBXeE97QE3sYpFm6/7SBn 3sGSi0+Jo0gp/GmTNJidtMHblm9S51S/s0LnpIMEGmC/f/DLo5qzVesYSr3nlYk1 hT6tC1QaKAtJoGr8miUop+SOHye4R/xfGzT9E96Q9cRnZnkAUEKmBmnovUbBmA2z 4XxJuyoTdiHnHRi2hLesiLJsZKoRo2weeVtlCkhpBzd5gr+MRTmxY4iQHB6k9hqp MR6BY2YAHKSMSAguLlCUHAkkBgUH6KLYYp7C1oUwnLf+mdN38fDFH2829JRi6BhT QvQa0ntsa9okY+KV7CsIwPwZgHxGK3T1qpbnvag9jvnD4hLwjDo/jYKAfLE6mgti EoUPyJ2zsQNddaNvLrqmAK/6Cp8U9DUuM60g3tdwrhSO0pHu+qXj5HxUbaVne0Ro AMqm/v4vW/DIDqrEWGj397mribfXVuYBbf9c+vwIgtMjjDC9+ynjJUoZQI4djsuX QPKu36dI6PWPha3immzAcwhh50CUVSvdZNSkUZxLYbAdohzSni6JMOACeZSbnTFx MeVt7jaqF+Bocsa8cPSpO1oxo4Cm2aeqIBMrn8OWxmbWIFMpaHjWuiLBmjmw9b1y woaSB+hIOThV7XMCZc0J2b+Cxm0SmWc0LUZkPPmKVLgfuC52r8mQFNVttyO2VWj6 uk3eH9eDvtdmmZq3Az291S1Ya7pT9fj5OAy++VF9ireXFzbYJuIIB861N6t9Hfhm llQBVH1sFR+uZgtk64N7ZLx7KyKTVWKhTB5EWydywW3DzvSeEbct9pJdDCj66MtQ 0UZkoYUt8jOHVasqSfD5+I0pT3C0ckq/8ZDVaElcphQz+yl49z6C+VV0DE/WQaFo fz3ND9c/mrOLoiVIJZFbOd8J3bCjfzqnm1H+FyLgt8sg3NXMVrb3h3rieWw8qb1S iLpHYGhHTBhSfoYc9e7CLCn5DIC4p1daGsGJ6/aGi5/R5NqSMJ6dfv0K4wZwvGaR g03i92Gxi1TXR82gXOOFGx7GxXz4Vr5rmozJdOcPB1sB5Os9oivrKv8j/TnyJ6bt FMSiqbMfWo0bjQE849cRQ5act2eTEu9ypUmeisz9g0mIbLMFlFtbIo+CmY50+w7h IhMy+x3Td+CO0qjofcIR9/D7bnSaYls1DtNueRjnUP4xX3RTxURmfH/MaErycqzC NN0lMozHyPoDcinH ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T 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/2523CBC1B2656EAB

http://decoder.re/2523CBC1B2656EAB

Signatures

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\WriteSplit.png => \??\c:\users\admin\pictures\WriteSplit.png.v6abu3kll	rundll32.exe
File opened for modification	\??\c:\users\admin\pictures\BlockConnect.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\BlockConnect.tiff => \??\c:\users\admin\pictures\BlockConnect.tiff.v6abu3kll	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ConfirmEnter.crw => \??\c:\users\admin\pictures\ConfirmEnter.crw.v6abu3kll	rundll32.exe
File renamed	C:\Users\Admin\Pictures\EditCopy.raw => \??\c:\users\admin\pictures\EditCopy.raw.v6abu3kll	rundll32.exe
File opened for modification	\??\c:\users\admin\pictures\OutWatch.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\OutWatch.tiff => \??\c:\users\admin\pictures\OutWatch.tiff.v6abu3kll	rundll32.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:

rundll32.exe

description	ioc	process
File opened (read-only)	\??\G:	rundll32.exe
File opened (read-only)	\??\M:	rundll32.exe
File opened (read-only)	\??\O:	rundll32.exe
File opened (read-only)	\??\B:	rundll32.exe
File opened (read-only)	\??\F:	rundll32.exe
File opened (read-only)	\??\I:	rundll32.exe
File opened (read-only)	\??\N:	rundll32.exe
File opened (read-only)	\??\R:	rundll32.exe
File opened (read-only)	\??\S:	rundll32.exe
File opened (read-only)	\??\T:	rundll32.exe
File opened (read-only)	\??\W:	rundll32.exe
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\K:	rundll32.exe
File opened (read-only)	\??\P:	rundll32.exe
File opened (read-only)	\??\U:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe
File opened (read-only)	\??\Z:	rundll32.exe
File opened (read-only)	\??\D:	rundll32.exe
File opened (read-only)	\??\J:	rundll32.exe
File opened (read-only)	\??\H:	rundll32.exe
File opened (read-only)	\??\L:	rundll32.exe
File opened (read-only)	\??\Q:	rundll32.exe
File opened (read-only)	\??\X:	rundll32.exe
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\E:	rundll32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

rundll32.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\\uwmfpcl6k4339.bmp"	rundll32.exe

Drops file in Program Files directory 23 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	\??\c:\program files\MergeWait.reg	rundll32.exe
File opened for modification	\??\c:\program files\SplitTest.midi	rundll32.exe
File created	\??\c:\program files (x86)\tmp	rundll32.exe
File created	\??\c:\program files (x86)\v6abu3kll-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\DisableCompare.xltx	rundll32.exe
File opened for modification	\??\c:\program files\GrantTrace.tiff	rundll32.exe
File opened for modification	\??\c:\program files\SubmitGet.mov	rundll32.exe
File opened for modification	\??\c:\program files\UninstallConnect.emf	rundll32.exe
File created	\??\c:\program files\tmp	rundll32.exe
File opened for modification	\??\c:\program files\ImportRequest.xml	rundll32.exe
File opened for modification	\??\c:\program files\InitializeUnblock.cfg	rundll32.exe
File opened for modification	\??\c:\program files\OptimizeRevoke.vstx	rundll32.exe
File opened for modification	\??\c:\program files\GetReset.mpv2	rundll32.exe
File opened for modification	\??\c:\program files\UnlockResolve.wmf	rundll32.exe
File opened for modification	\??\c:\program files\RemoveDisconnect.dwfx	rundll32.exe
File opened for modification	\??\c:\program files\ResumeAssert.i64	rundll32.exe
File opened for modification	\??\c:\program files\SearchStep.au3	rundll32.exe
File opened for modification	\??\c:\program files\SuspendTrace.mpe	rundll32.exe
File created	\??\c:\program files\v6abu3kll-readme.txt	rundll32.exe
File opened for modification	\??\c:\program files\AddUninstall.temp	rundll32.exe
File opened for modification	\??\c:\program files\AssertRedo.i64	rundll32.exe
File opened for modification	\??\c:\program files\HideRead.xps	rundll32.exe
File opened for modification	\??\c:\program files\SyncSelect.docx	rundll32.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:

rundll32.exe

pid	process
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe
2140	rundll32.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

rundll32.exevssvc.exe

description	pid	process
Token: SeDebugPrivilege	2140	rundll32.exe
Token: SeTakeOwnershipPrivilege	2140	rundll32.exe
Token: SeBackupPrivilege	3988	vssvc.exe
Token: SeRestorePrivilege	3988	vssvc.exe
Token: SeAuditPrivilege	3988	vssvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3916 wrote to memory of 2140	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 2140	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 2140	3916	rundll32.exe	rundll32.exe
PID 2140 wrote to memory of 96	2140	rundll32.exe	netsh.exe
PID 2140 wrote to memory of 96	2140	rundll32.exe	netsh.exe
PID 2140 wrote to memory of 96	2140	rundll32.exe	netsh.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\REvil_Kaseya\8dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\REvil_Kaseya\8dd620d9aeb35960bb766458c8890ede987c33d239cf730f93fe49d90ae759dd.dll,#1
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
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SysWOW64\netsh.exe
netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
3⤵
PID:96

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:3164

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3988

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

memory/96-116-0x0000000000000000-mapping.dmp

Download
memory/2140-114-0x0000000000000000-mapping.dmp

Download
memory/2140-115-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads