babuk | 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc

General

Target

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe
Size

79KB
MD5

c05b05aff8880d94c757181cbbdd77cf
SHA1

84440af2b8f3db1303446b1067c0ed4d0295a4c4
SHA256

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc
SHA512

504ff3c5756fc72ea085960768b509ddf8fd7bb2395270c36d58e85c7fc04abfadd74268eb84a81e892c5a90b3cf7bc6460f5f766507f1e12da64386cd4a4e39
SSDEEP

1536:m6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:ghZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

Score

10^/10

babuk ransomware

Malware Config

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 18 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe

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.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe

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.

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exe

pid process

1668 vssadmin.exe
1032 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe

pid process

2040 9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1444 vssvc.exe
Token: SeRestorePrivilege 1444 vssvc.exe
Token: SeAuditPrivilege 1444 vssvc.exe

pid	process
1668	vssadmin.exe
1032	vssadmin.exe

pid	process
2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe

description	pid	process
Token: SeBackupPrivilege	1444	vssvc.exe
Token: SeRestorePrivilege	1444	vssvc.exe
Token: SeAuditPrivilege	1444	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.execmd.execmd.exe

description	pid	process	target process
PID 2040 wrote to memory of 1356	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1356	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1356	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1356	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 1356 wrote to memory of 1668	1356	cmd.exe	vssadmin.exe
PID 1356 wrote to memory of 1668	1356	cmd.exe	vssadmin.exe
PID 1356 wrote to memory of 1668	1356	cmd.exe	vssadmin.exe
PID 2040 wrote to memory of 1296	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1296	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1296	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 2040 wrote to memory of 1296	2040	9ba829497c489b88591ef040d5f4228e5edda50f031d654a82ea04dfae6fcfbc.exe	cmd.exe
PID 1296 wrote to memory of 1032	1296	cmd.exe	vssadmin.exe
PID 1296 wrote to memory of 1032	1296	cmd.exe	vssadmin.exe
PID 1296 wrote to memory of 1032	1296	cmd.exe	vssadmin.exe

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 /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1668

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1032

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1444

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/1032-58-0x0000000000000000-mapping.dmp

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memory/1296-57-0x0000000000000000-mapping.dmp

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memory/1356-55-0x0000000000000000-mapping.dmp

Download
memory/1668-56-0x0000000000000000-mapping.dmp

Download
memory/2040-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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