390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
09/05/2024, 18:08

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General

Target

390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954.exe
Size

1.0MB
MD5

85add2d18fd7ca61de3fa1df446fc33c
SHA1

a28c882c4b3e642addde1925fd0bd264486ab018
SHA256

390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954
SHA512

b2b5410160478501af97521351c5852fa38bf71780950a96b47a2f98e50d4cf72766c7b599c73ac3c365766267541f3d2dc22d65d02742fb386702eedca6fdee
SSDEEP

12288:uswHVwi+6GvxKZ3lKlHk8fCG9LdvRh28HoWJU2QyXeTp98GF3pW5PtkJJ:up1GlpK7eVCeLdZh25kU085PrJ

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

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5000	1140	WerFault.exe	79

C:\Users\Admin\AppData\Local\Temp\390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954.exe
"C:\Users\Admin\AppData\Local\Temp\390a4f755f087d0ec9bb58f61bc68b9325cb8be22f08f0df3c474539e22fa954.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:1140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 732
  2⤵
  - Program crash
  PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1140 -ip 1140
1⤵
PID:3284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1140-0-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1140-1-0x00000000028B0000-0x000000000293B000-memory.dmp

Filesize
556KB

Download
memory/1140-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1140-3-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1140-4-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1140-7-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads