a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
09/05/2024, 13:46

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General

Target

a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01.exe
Size

1.0MB
MD5

890c3239ac02b63937c4ee2f06f73756
SHA1

4c6aed71fcbd07e5be702e34887bf27d70fbb7dc
SHA256

a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01
SHA512

ce158529ebac31d712eb9b0506f7f9e7c77ad91f9348ad62cac639a382bf82c4132804c9be959d641d4bf5acd6c10ff3b8b4eb9e9698aa4051b3967ecb07e19d
SSDEEP

12288:uswHVwi+6GvxKZ3lKlHk8fCR9LdvRh28HoWJU2QyXeTp98GF3pW5PtkJJ:up1GlpK7eVCrLdZh25kU085PrJ

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	a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
768	2112	WerFault.exe	78

C:\Users\Admin\AppData\Local\Temp\a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01.exe
"C:\Users\Admin\AppData\Local\Temp\a5cc5f80a371f6a35d3d8c06eed0f9550833fd1135f9dff39744f1c9fb9f4a01.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:2112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 732
  2⤵
  - Program crash
  PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2112 -ip 2112
1⤵
PID:3132

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

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Downloads

memory/2112-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x0000000002690000-0x000000000271B000-memory.dmp

Filesize
556KB

Download
memory/2112-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2112-3-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2112-4-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/2112-7-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads