Analysis
-
max time kernel
96s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2025, 16:43
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe
Resource
win10v2004-20250217-en
General
-
Target
2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe
-
Size
87KB
-
MD5
d04e5e760da11b8b53b14b9fd4436935
-
SHA1
1468184aba0d32a25211120b1299a943b983e741
-
SHA256
b3e2ca4aabd7110693d160aa02fead6e51007a0623320a099f62b913ae0eb369
-
SHA512
1fd101602a69dcb3d09d79fb41a29441d2fda94c5bd2b0eecc6cfdfc235a8c866e39e8ba1bbd91b41e1611dd041d79ae914def226faf60e1b8836aae28683f31
-
SSDEEP
1536:+nWwDhe/yPhBgGPUsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2CgE:8he/yPbssrQLOJgY8Zp8LHD4XWaNH71O
Malware Config
Signatures
-
Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
-
Babuk family
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (198) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\O: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\K: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\Z: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\N: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\M: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\E: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\U: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\V: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\B: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\H: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\W: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\R: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\Y: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\P: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\A: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\J: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\I: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\G: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\L: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\X: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\S: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\Q: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe File opened (read-only) \??\T: 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3436 vssadmin.exe 2588 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 4660 vssvc.exe Token: SeRestorePrivilege 4660 vssvc.exe Token: SeAuditPrivilege 4660 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2240 wrote to memory of 3936 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe 85 PID 2240 wrote to memory of 3936 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe 85 PID 3936 wrote to memory of 3436 3936 cmd.exe 89 PID 3936 wrote to memory of 3436 3936 cmd.exe 89 PID 2240 wrote to memory of 4892 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe 90 PID 2240 wrote to memory of 4892 2240 2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe 90 PID 4892 wrote to memory of 2588 4892 cmd.exe 94 PID 4892 wrote to memory of 2588 4892 cmd.exe 94 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-07_d04e5e760da11b8b53b14b9fd4436935_babuk_destroyer.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3436
-
-
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2588
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4660
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
8KB
MD52af817219bb1d24a11ab839b9453b5f3
SHA1f9ff9075f9472c41aeb93df2e439fe624dc143b0
SHA2566a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0
SHA512d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30