2f39e7665ba9980af2ca8e51497744b10a6adeb19d41eaa5e27ec301e19ca6af | Triage

Analysis

max time kernel
158s
max time network
164s
platform
windows7_x64
resource
win7-20220414-en
submitted
25-05-2022 22:43

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General

Target

VLTKBacdau.exe
Size

1.4MB
MD5

772379abf7c754602d5f93a644aed0c8
SHA1

312585e17ba461be0fbb5a98a1552be9017ffe8e
SHA256

2f39e7665ba9980af2ca8e51497744b10a6adeb19d41eaa5e27ec301e19ca6af
SHA512

d0bdf39ace3b2f6911773ae579dc366dc7a89ef6a2a17be2e4805f85ec775697bae007f6bb3066af5a6aa40c06da1c0eac2d0a8c911b71c4b33a719a62426bab

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

VLTKBacdau.exe

description ioc process

File opened for modification \??\PhysicalDrive0 VLTKBacdau.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

VLTKBacdau.exe

description pid process

Token: SeDebugPrivilege 1612 VLTKBacdau.exe

C:\Users\Admin\AppData\Local\Temp\VLTKBacdau.exe
"C:\Users\Admin\AppData\Local\Temp\VLTKBacdau.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1612-54-0x0000000000010000-0x000000000017E000-memory.dmp

Filesize
1.4MB

Download
memory/1612-55-0x00000000003F0000-0x0000000000400000-memory.dmp

Filesize
64KB

Download
memory/1612-56-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1612-57-0x0000000004AF5000-0x0000000004B06000-memory.dmp

Filesize
68KB

Download