babuk | 5339981168dfcefb874dc7e82563fa7aca047f17b1184ae8db9336a2335473a9

Analysis

max time kernel
328s
max time network
411s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 05:59

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General

Target

exe.ransomware.babuk/03/11/0B/03110BAA5AAD9D01610293F2B8CD21B44CC7EFA0A465E677D6B3F92510A4B1D7/03110.exe
Size

79KB
MD5

1dbd0abfdd692d5939f2aa201674d870
SHA1

5a8d3472a642eb62cfde5e4db469c62422b16792
SHA256

03110baa5aad9d01610293f2b8cd21b44cc7efa0a465e677d6b3f92510a4b1d7
SHA512

ad1398d865cda6c009cfab67901fcb7f2928a5b7dfd8cdc0a892bb6f1ec62f8d492f1f3a59277afac2251ebe2069a243b66d57754629290bbf68791f586c7311
SSDEEP

1536:d6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:5hZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

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

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:

03110.exe

description	ioc	process
File opened (read-only)	\??\Q:	03110.exe
File opened (read-only)	\??\R:	03110.exe
File opened (read-only)	\??\U:	03110.exe
File opened (read-only)	\??\O:	03110.exe
File opened (read-only)	\??\H:	03110.exe
File opened (read-only)	\??\K:	03110.exe
File opened (read-only)	\??\B:	03110.exe
File opened (read-only)	\??\T:	03110.exe
File opened (read-only)	\??\P:	03110.exe
File opened (read-only)	\??\A:	03110.exe
File opened (read-only)	\??\L:	03110.exe
File opened (read-only)	\??\Z:	03110.exe
File opened (read-only)	\??\X:	03110.exe
File opened (read-only)	\??\W:	03110.exe
File opened (read-only)	\??\E:	03110.exe
File opened (read-only)	\??\I:	03110.exe
File opened (read-only)	\??\S:	03110.exe
File opened (read-only)	\??\N:	03110.exe
File opened (read-only)	\??\Y:	03110.exe
File opened (read-only)	\??\F:	03110.exe
File opened (read-only)	\??\G:	03110.exe
File opened (read-only)	\??\J:	03110.exe
File opened (read-only)	\??\V:	03110.exe
File opened (read-only)	\??\M:	03110.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 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

1204 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

03110.exe

pid process

960 03110.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1300 vssvc.exe
Token: SeRestorePrivilege 1300 vssvc.exe
Token: SeAuditPrivilege 1300 vssvc.exe

pid	process
1204	vssadmin.exe

pid	process
960	03110.exe

description	pid	process
Token: SeBackupPrivilege	1300	vssvc.exe
Token: SeRestorePrivilege	1300	vssvc.exe
Token: SeAuditPrivilege	1300	vssvc.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

03110.execmd.exe

description	pid	process	target process
PID 960 wrote to memory of 1172	960	03110.exe	cmd.exe
PID 960 wrote to memory of 1172	960	03110.exe	cmd.exe
PID 960 wrote to memory of 1172	960	03110.exe	cmd.exe
PID 960 wrote to memory of 1172	960	03110.exe	cmd.exe
PID 1172 wrote to memory of 1204	1172	cmd.exe	vssadmin.exe
PID 1172 wrote to memory of 1204	1172	cmd.exe	vssadmin.exe
PID 1172 wrote to memory of 1204	1172	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\03\11\0B\03110BAA5AAD9D01610293F2B8CD21B44CC7EFA0A465E677D6B3F92510A4B1D7\03110.exe
"C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\03\11\0B\03110BAA5AAD9D01610293F2B8CD21B44CC7EFA0A465E677D6B3F92510A4B1D7\03110.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1172
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1204

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/960-54-0x0000000076771000-0x0000000076773000-memory.dmp

Filesize
8KB

Download
memory/1172-55-0x0000000000000000-mapping.dmp

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memory/1204-56-0x0000000000000000-mapping.dmp

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