babuk | 9d1382cfe812378d742424f3e4717cfee4fa90d1fe0c8067cdf998e9330c0e14

General

Target

2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
Size

79KB
MD5

204253b2cf495b1304d529e4edcebaf0
SHA1

ce4c825685a546ead3037d6e8b69d40d19ba2705
SHA256

9d1382cfe812378d742424f3e4717cfee4fa90d1fe0c8067cdf998e9330c0e14
SHA512

4176076157eec99d41e657b347ea1c5c234fcf30cac54a004fb09c5b800b51b1604c7c2aacc60e20c262d51c9a88f66cb1ba91fa4c0f077bc01a107c878591b9
SSDEEP

1536:CukWBeGPGEbmsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nsf:dBeBsmsrQLOJgY8Zp8LHD4XWaNH71dLc

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 (193) 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)	\??\T:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\I:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\H:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\X:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\V:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\Q:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\E:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\R:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\B:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\J:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\Z:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\M:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\Y:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\A:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\P:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\S:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\G:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\K:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\L:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\W:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\U:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\O:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
File opened (read-only)	\??\N:	2024-06-10_204253b2cf495b1304d529e4edcebaf0_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 2 TTPs 2 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2824	vssadmin.exe
1720	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2188	vssvc.exe
Token: SeRestorePrivilege	2188	vssvc.exe
Token: SeAuditPrivilege	2188	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2300	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	28
PID 1148 wrote to memory of 2300	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	28
PID 1148 wrote to memory of 2300	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	28
PID 1148 wrote to memory of 2300	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	28
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 2300 wrote to memory of 2824	2300	cmd.exe	30
PID 1148 wrote to memory of 2056	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	34
PID 1148 wrote to memory of 2056	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	34
PID 1148 wrote to memory of 2056	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	34
PID 1148 wrote to memory of 2056	1148	2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe	34
PID 2056 wrote to memory of 1720	2056	cmd.exe	36
PID 2056 wrote to memory of 1720	2056	cmd.exe	36
PID 2056 wrote to memory of 1720	2056	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\2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_204253b2cf495b1304d529e4edcebaf0_babuk_destroyer.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2824
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1720

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

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

Loading Replay Monitor...

Downloads

C:\PerfLogs\How To Restore Your Files.txt

Filesize
8KB

MD5
2af817219bb1d24a11ab839b9453b5f3

SHA1
f9ff9075f9472c41aeb93df2e439fe624dc143b0

SHA256
6a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0

SHA512
d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30

Download Submit

Resubmissions

Analysis

Sharing