Analysis
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max time kernel
95s -
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
10/03/2025, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe
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Size
79KB
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MD5
d641aad73945b5ce25ec99475fe7c563
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SHA1
2969cba7fb52de68fc7ca09257d95e54c73efd4e
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SHA256
c9bc38d1fb1cff4b8a46f8234deea1b77e23a6e5c6f07be89ad994305b150b04
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SHA512
0f383ac7da637b43dbbefecd8952019950326a5e6effcbcba295ba225fe1096fa1594ae4eb169e10761d6e40e484efaa554fe3ae41613e2a3eaadb6ec66287b6
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SSDEEP
1536:2sxTdRu8LtpgRsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2qob:rTdRuEORsrQLOJgY8Zp8LHD4XWaNH715
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 (161) 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 2025-03-10_d641aad73945b5ce25ec99475fe7c563_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) \??\J: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\M: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\Y: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\A: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\B: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\N: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\E: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\I: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\P: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\S: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\H: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\L: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\Z: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\V: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\Q: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\W: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\U: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\O: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\G: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\K: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\X: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\R: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe File opened (read-only) \??\T: 2025-03-10_d641aad73945b5ce25ec99475fe7c563_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 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3712 vssadmin.exe 384 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 4956 vssvc.exe Token: SeRestorePrivilege 4956 vssvc.exe Token: SeAuditPrivilege 4956 vssvc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2880 wrote to memory of 1292 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe 86 PID 2880 wrote to memory of 1292 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe 86 PID 1292 wrote to memory of 3712 1292 cmd.exe 88 PID 1292 wrote to memory of 3712 1292 cmd.exe 88 PID 2880 wrote to memory of 3720 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe 93 PID 2880 wrote to memory of 3720 2880 2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe 93 PID 3720 wrote to memory of 384 3720 cmd.exe 95 PID 3720 wrote to memory of 384 3720 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\2025-03-10_d641aad73945b5ce25ec99475fe7c563_babuk_destroyer.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-10_d641aad73945b5ce25ec99475fe7c563_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:2880 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3712
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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:3720 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:384
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD52af817219bb1d24a11ab839b9453b5f3
SHA1f9ff9075f9472c41aeb93df2e439fe624dc143b0
SHA2566a16454cad4534d51025f65277abaec0ff4a30082840154a35889445bb3ad0a0
SHA512d443e149d8b097cc64b0bbbf65e3d660de43943a4b36ac4c41bfbdfe814fb895d7ba97128aa1235b85d2292b79afc451fbcb89cc6a56d33ecff7d93e18a15c30