babuk | 3d893337a014bd80b29fcd1d1b11d55d8cd245061d250d61a2d1207c6a959eba

General

Target

2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
Size

79KB
MD5

702fd60faabd529ca674d806564c36b1
SHA1

7f22bb89b1293405201cf4ce0816b5714fc9576a
SHA256

3d893337a014bd80b29fcd1d1b11d55d8cd245061d250d61a2d1207c6a959eba
SHA512

b0685f2855da7c18da9e723b517b74300b0976b5ea10e2c8b0205608aa74cbc69f9349dbb5a6565ec12e7dfa913e9296a13866f90c58102e235b6b03d12c763b
SSDEEP

1536:b+qxi5vmhs2bxsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nC3:hxiJ2xsrQLOJgY8Zp8LHD4XWaNH71dLy

Score

10^/10

babuk defense_evasion execution impact ransomware

Malware Config

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (186) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Enumerates connected drives 3 TTPs 23 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

description	ioc	Process
File opened (read-only)	\??\R:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\P:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\H:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\L:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\V:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\M:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\W:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\E:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\U:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\K:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\B:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\Q:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\T:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\S:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\J:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\Z:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\X:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\Y:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\I:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\O:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\A:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\G:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
File opened (read-only)	\??\N:	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe

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

System Information Discovery
T1082

Interacts with shadow copies 3 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2056	vssadmin.exe
2096	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2424	vssvc.exe
Token: SeRestorePrivilege	2424	vssvc.exe
Token: SeAuditPrivilege	2424	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2140	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	28
PID 2420 wrote to memory of 2140	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	28
PID 2420 wrote to memory of 2140	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	28
PID 2420 wrote to memory of 2140	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	28
PID 2140 wrote to memory of 2096	2140	cmd.exe	30
PID 2140 wrote to memory of 2096	2140	cmd.exe	30
PID 2140 wrote to memory of 2096	2140	cmd.exe	30
PID 2420 wrote to memory of 2544	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	34
PID 2420 wrote to memory of 2544	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	34
PID 2420 wrote to memory of 2544	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	34
PID 2420 wrote to memory of 2544	2420	2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe	34
PID 2544 wrote to memory of 2056	2544	cmd.exe	36
PID 2544 wrote to memory of 2056	2544	cmd.exe	36
PID 2544 wrote to memory of 2056	2544	cmd.exe	36

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-23_702fd60faabd529ca674d806564c36b1_babuk_destroyer.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2096
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2056

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

1

T1006

Indicator Removal

2

T1070

File Deletion

2

T1070.004

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

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\How To Restore Your Files.txt

Filesize
8KB

MD5
2af817219bb1d24a11ab839b9453b5f3

SHA1
f9ff9075f9472c41aeb93df2e439fe624dc143b0

SHA256
6a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0

SHA512
d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30

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Analysis

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