babuk | 3a7ce9c2729308e680c439e4032c63ff32d83f6d66ab2528d2fadb8ca7f08274

General

Target

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
Size

359KB
MD5

b91c50ad0926f99ca352aca8676a0184
SHA1

0989cee8a66ccd52d0636cc3a8148fb33620f6b9
SHA256

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053
SHA512

96eba795492867c4c4bfae5dae67b6d85a41d35bfa7033347b3e788719a7fba6364f32bf659a57f4d2caadeffa2da201a6fa567c00ce42fc205ac00c12cfb263

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 6 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\DisableMerge.png => C:\Users\Admin\Pictures\DisableMerge.png.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened for modification	C:\Users\Admin\Pictures\DisableMerge.png.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File renamed	C:\Users\Admin\Pictures\ImportDismount.crw => C:\Users\Admin\Pictures\ImportDismount.crw.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened for modification	C:\Users\Admin\Pictures\ImportDismount.crw.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File renamed	C:\Users\Admin\Pictures\ReceiveUnregister.crw => C:\Users\Admin\Pictures\ReceiveUnregister.crw.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened for modification	C:\Users\Admin\Pictures\ReceiveUnregister.crw.babyk	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.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:

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe

description	ioc	process
File opened (read-only)	\??\R:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\G:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\J:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\Z:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\S:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\X:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\Q:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\W:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\Y:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\U:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\I:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\T:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\H:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\L:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\B:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\N:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\K:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\V:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\M:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\E:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\O:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\P:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\A:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
File opened (read-only)	\??\F:	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.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

2464 vssadmin.exe
2056 vssadmin.exe

pid	process
2464	vssadmin.exe
2056	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe

pid	process
4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1084 vssvc.exe
Token: SeRestorePrivilege 1084 vssvc.exe
Token: SeAuditPrivilege 1084 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	1084	vssvc.exe
Token: SeRestorePrivilege	1084	vssvc.exe
Token: SeAuditPrivilege	1084	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.execmd.execmd.exe

description	pid	process	target process
PID 4048 wrote to memory of 3836	4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe	cmd.exe
PID 4048 wrote to memory of 3836	4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe	cmd.exe
PID 3836 wrote to memory of 2464	3836	cmd.exe	vssadmin.exe
PID 3836 wrote to memory of 2464	3836	cmd.exe	vssadmin.exe
PID 4048 wrote to memory of 1512	4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe	cmd.exe
PID 4048 wrote to memory of 1512	4048	d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe	cmd.exe
PID 1512 wrote to memory of 2056	1512	cmd.exe	vssadmin.exe
PID 1512 wrote to memory of 2056	1512	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe
"C:\Users\Admin\AppData\Local\Temp\d17c45b69bc45e17de1152841ebddb3a6abfe85202569fd5dea6b8d52a44c053.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3836
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2464
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2056

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1084

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/1512-118-0x0000000000000000-mapping.dmp

Download
memory/2056-119-0x0000000000000000-mapping.dmp

Download
memory/2464-115-0x0000000000000000-mapping.dmp

Download
memory/3836-114-0x0000000000000000-mapping.dmp

Download
memory/4048-116-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download
memory/4048-117-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads