babuk | 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02

General

Target

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
Size

31KB
MD5

e25e078255b56b47897ac96a7842de92
SHA1

21febfb36da69c8a611a9eaee5cc826cfd5684d7
SHA256

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02
SHA512

6ed5f9144996ad70ab9770ede191420ef12d69dd7833e0ec9064be0ec1959407c5971680e0a4bfc57a709853ea2d78c586a74f56f5d79874a5ab8f8adb45beb1

Score

10^/10

babuk ransomware

Malware Config

Extracted

Path

\??\M:\How To Restore Your Files.txt

Ransom Note

----------- [ Hello, human.de! ] -------------> ****BY BABUK LOCKER**** What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted from your network and copied. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - a universal decoder. This program will restore your entire network. Follow our instructions below and you will recover all your data. If you continue to ignore this for a long time, we will start reporting the hack to mainstream media and posting your data to the dark web. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. What information compromised? ---------------------------------------------- We copied more than 100GB from your internal network, here are some proofs, for additional confirmations, please chat with us In cases of ignoring us, the information will be released to the public. https://i.imgur.com/JZh2aDz.png https://i.imgur.com/iKJ0m63.png https://i.imgur.com/11DdeaB.png https://i.imgur.com/9azjsKv.png https://i.imgur.com/z6ry8kZ.png https://i.imgur.com/tcryLE4.png https://i.imgur.com/jruCjYx.png https://i.imgur.com/vJJQxM1.png How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): http://babukq4e2p4wu4iq.onion/login.php?id=QQDgjfAG8pLYTBufjrVjnBg3iPAnSK !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!

URLs

https://i.imgur.com/JZh2aDz.png

https://i.imgur.com/iKJ0m63.png

https://i.imgur.com/11DdeaB.png

https://i.imgur.com/9azjsKv.png

https://i.imgur.com/z6ry8kZ.png

https://i.imgur.com/tcryLE4.png

https://i.imgur.com/jruCjYx.png

https://i.imgur.com/vJJQxM1.png

http://babukq4e2p4wu4iq.onion/login.php?id=QQDgjfAG8pLYTBufjrVjnBg3iPAnSK

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 3 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\ConvertConnect.tiff	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File renamed	C:\Users\Admin\Pictures\ConvertConnect.tiff => C:\Users\Admin\Pictures\ConvertConnect.tiff.__NIST_K571__	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File renamed	C:\Users\Admin\Pictures\FormatRemove.png => C:\Users\Admin\Pictures\FormatRemove.png.__NIST_K571__	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

Drops startup file 1 IoCs

Processes:

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\How To Restore Your Files.txt	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

Enumerates connected drives 3 TTPs 24 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:

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

description	ioc	process
File opened (read-only)	\??\T:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\X:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\M:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\Q:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\U:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\G:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\V:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\B:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\N:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\J:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\Z:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\W:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\I:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\O:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\A:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\S:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\F:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\L:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\E:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\R:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\Y:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\P:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\H:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
File opened (read-only)	\??\K:	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exe

pid process

4060 vssadmin.exe
2244 vssadmin.exe

pid	process
4060	vssadmin.exe
2244	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

pid	process
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2732 vssvc.exe
Token: SeRestorePrivilege 2732 vssvc.exe
Token: SeAuditPrivilege 2732 vssvc.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ShellExperienceHost.exe

pid process

256 ShellExperienceHost.exe
256 ShellExperienceHost.exe

description	pid	process
Token: SeBackupPrivilege	2732	vssvc.exe
Token: SeRestorePrivilege	2732	vssvc.exe
Token: SeAuditPrivilege	2732	vssvc.exe

pid	process
256	ShellExperienceHost.exe
256	ShellExperienceHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.execmd.execmd.exe

description	pid	process	target process
PID 680 wrote to memory of 2796	680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe	cmd.exe
PID 680 wrote to memory of 2796	680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe	cmd.exe
PID 2796 wrote to memory of 4060	2796	cmd.exe	vssadmin.exe
PID 2796 wrote to memory of 4060	2796	cmd.exe	vssadmin.exe
PID 680 wrote to memory of 3872	680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe	cmd.exe
PID 680 wrote to memory of 3872	680	1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe	cmd.exe
PID 3872 wrote to memory of 2244	3872	cmd.exe	vssadmin.exe
PID 3872 wrote to memory of 2244	3872	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe
"C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.sample.exe"
1⤵
- Modifies extensions of user files
- Drops startup file
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:680
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4060
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2244

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
- Suspicious use of SetWindowsHookEx
PID:256