babuk | 3a7ce9c2729308e680c439e4032c63ff32d83f6d66ab2528d2fadb8ca7f08274

General

Target

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
Size

79KB
MD5

eb9e0b14e2235af24eeee881892fc825
SHA1

3fb00aa10ccfaedfd29f8b01ef6ef4434d260eb9
SHA256

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc
SHA512

c341517ba090bf530bd1324758644c8d6d2e488912bae19e0b066d508f3e37845ca8b39e5ee86fe75b22126d5d4bcb4957f58e02360c2606f9c0278382238c0a

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 14 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\GetTrace.png.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\MoveUnpublish.png.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\SubmitClose.tif => C:\Users\Admin\Pictures\SubmitClose.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\UninstallCompress.crw.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\GetTrace.png => C:\Users\Admin\Pictures\GetTrace.png.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\MoveUnpublish.png => C:\Users\Admin\Pictures\MoveUnpublish.png.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\RepairRemove.tif => C:\Users\Admin\Pictures\RepairRemove.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\SaveDebug.raw => C:\Users\Admin\Pictures\SaveDebug.raw.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\WriteStop.tif => C:\Users\Admin\Pictures\WriteStop.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\RepairRemove.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\SaveDebug.raw.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File renamed	C:\Users\Admin\Pictures\UninstallCompress.crw => C:\Users\Admin\Pictures\UninstallCompress.crw.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\SubmitClose.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened for modification	C:\Users\Admin\Pictures\WriteStop.tif.babyk	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.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:

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe

description	ioc	process
File opened (read-only)	\??\W:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\Y:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\O:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\S:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\K:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\B:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\P:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\H:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\L:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\V:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\J:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\Q:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\E:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\R:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\U:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\I:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\F:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\G:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\X:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\T:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\A:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\Z:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\N:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
File opened (read-only)	\??\M:	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.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

1232 vssadmin.exe
1980 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe

pid process

640 028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1780 vssvc.exe
Token: SeRestorePrivilege 1780 vssvc.exe
Token: SeAuditPrivilege 1780 vssvc.exe

pid	process
1232	vssadmin.exe
1980	vssadmin.exe

pid	process
640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe

description	pid	process
Token: SeBackupPrivilege	1780	vssvc.exe
Token: SeRestorePrivilege	1780	vssvc.exe
Token: SeAuditPrivilege	1780	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.execmd.execmd.exe

description	pid	process	target process
PID 640 wrote to memory of 1160	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 1160	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 1160	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 1160	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 1160 wrote to memory of 1980	1160	cmd.exe	vssadmin.exe
PID 1160 wrote to memory of 1980	1160	cmd.exe	vssadmin.exe
PID 1160 wrote to memory of 1980	1160	cmd.exe	vssadmin.exe
PID 640 wrote to memory of 268	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 268	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 268	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 640 wrote to memory of 268	640	028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe	cmd.exe
PID 268 wrote to memory of 1232	268	cmd.exe	vssadmin.exe
PID 268 wrote to memory of 1232	268	cmd.exe	vssadmin.exe
PID 268 wrote to memory of 1232	268	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe
"C:\Users\Admin\AppData\Local\Temp\028facff67136de55fe200177a190da625c8e1713b4e7d95bf5fc5412a5afffc.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1980
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1232

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/268-62-0x0000000000000000-mapping.dmp

Download
memory/640-59-0x0000000074F31000-0x0000000074F33000-memory.dmp

Filesize
8KB

Download
memory/1160-60-0x0000000000000000-mapping.dmp

Download
memory/1232-63-0x0000000000000000-mapping.dmp

Download
memory/1980-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads