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Analysis
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max time kernel
95s -
max time network
146s -
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, 17:26
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe
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Size
80KB
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MD5
d8c4f0afa338cd4effc23b20f9aa320c
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SHA1
2bf2b2f020cc31ad2fa9f00fe916b6fd6842ce0e
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SHA256
0e876e5ca5555fb826272122f49bcb0029df885e96a0a1c2f46e919ba87d9d83
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SHA512
1045f46afc74964d32bde13f1089f523e61a1557492c9335ab85cde4895e6668eb7148e4624e8ae3883bfd7cd4004a050cc661a61c752882fd06ce0ae7c05a58
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SSDEEP
1536:k8YWBeGCx5MY38lrsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2Ckr:RBel5M2GrsrQLOJgY8Zp8LHD4XWaNH7H
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 (177) 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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_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) \??\Q: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\U: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\P: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\A: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\S: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\Z: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\B: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\N: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\W: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\R: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\O: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\G: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\K: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\L: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\X: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\M: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\T: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\Y: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\J: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\E: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\I: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\H: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe File opened (read-only) \??\V: 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_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_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 544 vssadmin.exe 112 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 4616 vssvc.exe Token: SeRestorePrivilege 4616 vssvc.exe Token: SeAuditPrivilege 4616 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3780 wrote to memory of 5000 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 85 PID 3780 wrote to memory of 5000 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 85 PID 5000 wrote to memory of 544 5000 cmd.exe 88 PID 5000 wrote to memory of 544 5000 cmd.exe 88 PID 3780 wrote to memory of 4908 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 91 PID 3780 wrote to memory of 4908 3780 2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe 91 PID 4908 wrote to memory of 112 4908 cmd.exe 94 PID 4908 wrote to memory of 112 4908 cmd.exe 94 -
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_d8c4f0afa338cd4effc23b20f9aa320c_babuk_destroyer.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-07_d8c4f0afa338cd4effc23b20f9aa320c_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:3780 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:544
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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:4908 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:112
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4616
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD52af817219bb1d24a11ab839b9453b5f3
SHA1f9ff9075f9472c41aeb93df2e439fe624dc143b0
SHA2566a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0
SHA512d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30