babuk | 2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9

General

Target

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
Size

79KB
MD5

d0cf60b2779a45bc9160e3bffcdf82d6
SHA1

5f4f54f118ed571e91012ab61e9dbcee40515338
SHA256

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9
SHA512

879b805d8eb16777c2db7607c6fa4d34e5853aeabf870420b774027ab78e0ec6f6b63c705e0d84c992ac4ee7d2904f0f4c2eab92a00ed4f261eb8d8662539629

Score

10^/10

babuk ransomware

Malware Config

Extracted

Path

C:\How To Restore Your Files.txt

Ransom Note

--------------- Hello --------------- *** By BABUCK LOCKER *** Your computers and servers are encrypted, and backups are deleted. We use strong encryption algorithms, so no one has yet been able to decrypt their files without our participation. The only way to decrypt your files is to purchase a universal decoder from us, which will restore all the encrypted data and your network. Follow our instructions below, and you will recover all your data: 1) Pay 0,006 bitcoin to 1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i 2) Send us message with transaction id to [email protected] 3) Launch decryptor.exe, which our support will send you through email What guarantees? ----------------------------------------------------- We value our reputation. If we will not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is tested by time and will decrypt all your data. ----------------------------------------------------- !!! DO NOT TRY TO RECOVER ANY FILES YOURSELF. WE WILL NOT BE ABLE TO RESTORE THEM!!!

Emails

[email protected]

Wallets

1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i

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 11 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\SplitJoin.tif => C:\Users\Admin\Pictures\SplitJoin.tif.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\ReceiveCompare.crw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\UnpublishSync.raw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\RenameHide.tiff	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File renamed	C:\Users\Admin\Pictures\RenameHide.tiff => C:\Users\Admin\Pictures\RenameHide.tiff.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File renamed	C:\Users\Admin\Pictures\ReceiveCompare.crw => C:\Users\Admin\Pictures\ReceiveCompare.crw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\RenameHide.tiff.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\SplitJoin.tif.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File renamed	C:\Users\Admin\Pictures\UnblockSuspend.raw => C:\Users\Admin\Pictures\UnblockSuspend.raw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File renamed	C:\Users\Admin\Pictures\UnpublishSync.raw => C:\Users\Admin\Pictures\UnpublishSync.raw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockSuspend.raw.babyk	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.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:

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe

description	ioc	Process
File opened (read-only)	\??\T:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\O:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\P:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\Z:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\V:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\M:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\E:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\H:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\L:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\X:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\N:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\I:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\Y:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\U:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\S:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\G:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\K:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\R:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\W:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\A:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\F:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\J:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\B:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
File opened (read-only)	\??\Q:	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.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
1980	vssadmin.exe
1992	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe

pid	Process
916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description	pid	Process
Token: SeBackupPrivilege	2004	vssvc.exe
Token: SeRestorePrivilege	2004	vssvc.exe
Token: SeAuditPrivilege	2004	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.execmd.execmd.exe

description	pid	Process	procid_target
PID 916 wrote to memory of 1936	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	26
PID 916 wrote to memory of 1936	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	26
PID 916 wrote to memory of 1936	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	26
PID 916 wrote to memory of 1936	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	26
PID 1936 wrote to memory of 1980	1936	cmd.exe	28
PID 1936 wrote to memory of 1980	1936	cmd.exe	28
PID 1936 wrote to memory of 1980	1936	cmd.exe	28
PID 916 wrote to memory of 1096	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	35
PID 916 wrote to memory of 1096	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	35
PID 916 wrote to memory of 1096	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	35
PID 916 wrote to memory of 1096	916	2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe	35
PID 1096 wrote to memory of 1992	1096	cmd.exe	37
PID 1096 wrote to memory of 1992	1096	cmd.exe	37
PID 1096 wrote to memory of 1992	1096	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe
"C:\Users\Admin\AppData\Local\Temp\2ae5895f6a5f1fe6ee1d5b060b600de7d11655c69c27ad3fbcd348759b7160c9.sample.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1980
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1992

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/916-60-0x0000000075011000-0x0000000075013000-memory.dmp

Filesize
8KB

Download
memory/1096-63-0x0000000000000000-mapping.dmp

Download
memory/1936-61-0x0000000000000000-mapping.dmp

Download
memory/1980-62-0x0000000000000000-mapping.dmp

Download
memory/1992-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads