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Analysis
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max time kernel
150s -
max time network
153s -
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, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe
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Size
87KB
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MD5
d81bb664aedc6147c68ef73ba08f096b
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SHA1
e46b65dd5f553c55cb90626eeab818d2f3789135
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SHA256
805a59f4594f972ec53bc302e786bb1d74c488a769f785cfebf3c90d3352c228
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SHA512
ab519a7bc40264210e5201b889abae0cdbfecdde5e6db594057b32582cb54d30ddca6acd3b8b516d16b84d216f50b962abb48c20a0024f947c06f5747b450d3c
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SSDEEP
1536:lIRJMCUzAtXsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2NMkuQEoZF:4MCdpsrQLOJgY8Zp8LHD4XWaNH71dLdN
Malware Config
Signatures
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Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
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Babuk family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (150) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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-1-5-21-3181990009-820930284-137514597-1000\Control Panel\International\Geo\Nation 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_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) \??\Y: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\P: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\J: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\K: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\L: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\Z: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\X: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\E: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\I: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\A: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\V: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\N: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\M: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\R: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\U: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\O: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\S: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\G: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\H: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\B: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\Q: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\W: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe File opened (read-only) \??\T: 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 5080 vssadmin.exe 5372 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2960 vssvc.exe Token: SeRestorePrivilege 2960 vssvc.exe Token: SeAuditPrivilege 2960 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5532 wrote to memory of 4632 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe 87 PID 5532 wrote to memory of 4632 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe 87 PID 4632 wrote to memory of 5080 4632 cmd.exe 91 PID 4632 wrote to memory of 5080 4632 cmd.exe 91 PID 5532 wrote to memory of 4164 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe 92 PID 5532 wrote to memory of 4164 5532 2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe 92 PID 4164 wrote to memory of 5372 4164 cmd.exe 95 PID 4164 wrote to memory of 5372 4164 cmd.exe 95 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-07_d81bb664aedc6147c68ef73ba08f096b_babuk_destroyer.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-07_d81bb664aedc6147c68ef73ba08f096b_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:5532 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:4632 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:5080
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:5372
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD52af817219bb1d24a11ab839b9453b5f3
SHA1f9ff9075f9472c41aeb93df2e439fe624dc143b0
SHA2566a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0
SHA512d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30