Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
17-10-2022 23:40
Static task
static1
Behavioral task
behavioral1
Sample
9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe
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Size
79KB
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MD5
c05b05aff8880d94c757181cbbdd77cf
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SHA1
84440af2b8f3db1303446b1067c0ed4d0295a4c4
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SHA256
9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc
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SHA512
504ff3c5756fc72ea085960768b509ddf8fd7bb2395270c36d58e85c7fc04abfadd74268eb84a81e892c5a90b3cf7bc6460f5f766507f1e12da64386cd4a4e39
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SSDEEP
1536:m6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:ghZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI
Score
10/10
Malware Config
Signatures
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Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 18 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\SelectSearch.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\BackupOpen.tiff => C:\Users\Admin\Pictures\BackupOpen.tiff.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\ClearRequest.raw => C:\Users\Admin\Pictures\ClearRequest.raw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\DisableRegister.crw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\WatchRename.tiff => C:\Users\Admin\Pictures\WatchRename.tiff.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\CheckpointRead.png => C:\Users\Admin\Pictures\CheckpointRead.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\BackupOpen.tiff.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\CheckpointShow.png => C:\Users\Admin\Pictures\CheckpointShow.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\DisableRegister.crw => C:\Users\Admin\Pictures\DisableRegister.crw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\WatchRename.tiff 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\SelectSearch.png => C:\Users\Admin\Pictures\SelectSearch.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\WatchRename.tiff.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\CheckpointRead.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\CheckpointShow.png.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\ClearRequest.raw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File renamed C:\Users\Admin\Pictures\ExitImport.crw => C:\Users\Admin\Pictures\ExitImport.crw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\ExitImport.crw.babyk 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened for modification C:\Users\Admin\Pictures\BackupOpen.tiff 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\T: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\I: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\P: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\V: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\B: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\W: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\E: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\Y: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\O: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\S: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\Z: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\X: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\N: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\M: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\A: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\F: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\J: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\K: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\L: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\R: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\U: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\G: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe File opened (read-only) \??\H: 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1668 vssadmin.exe 1032 vssadmin.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 1444 vssvc.exe Token: SeRestorePrivilege 1444 vssvc.exe Token: SeAuditPrivilege 1444 vssvc.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2040 wrote to memory of 1356 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 28 PID 2040 wrote to memory of 1356 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 28 PID 2040 wrote to memory of 1356 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 28 PID 2040 wrote to memory of 1356 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 28 PID 1356 wrote to memory of 1668 1356 cmd.exe 30 PID 1356 wrote to memory of 1668 1356 cmd.exe 30 PID 1356 wrote to memory of 1668 1356 cmd.exe 30 PID 2040 wrote to memory of 1296 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 34 PID 2040 wrote to memory of 1296 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 34 PID 2040 wrote to memory of 1296 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 34 PID 2040 wrote to memory of 1296 2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe 34 PID 1296 wrote to memory of 1032 1296 cmd.exe 36 PID 1296 wrote to memory of 1032 1296 cmd.exe 36 PID 1296 wrote to memory of 1032 1296 cmd.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe"C:\Users\Admin\AppData\Local\Temp\9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe"1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1668
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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:1296 -
C:\Windows\system32\vssadmin.exevssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1032
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1444