66cc2450c78ad2440415220037b2562b144eb3dc4da3ae066d6a1ea6d859ff08

Analysis

max time kernel
108s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 11:35

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General

Target

66cc2450c78ad2440415220037b2562b144eb3dc4da3ae066d6a1ea6d859ff08.dll
Size

76KB
MD5

f6d3435e43871ba002706b346e854ada
SHA1

0db3626a8800d421c8b16298916a7655a73460de
SHA256

66cc2450c78ad2440415220037b2562b144eb3dc4da3ae066d6a1ea6d859ff08
SHA512

25e5a30fdd17dbca04e8f186bf76c3a412d2fb5af05b3bd4df699e0c80490f1e065d92361b0f861c3b34b20f26dfc600c9330801c5464d31cd6ca46a8e34a2d2
SSDEEP

768:VH/x7vUiZMBFYAjbvYlGLJTvToTPKz02zRHWSffsDzixF5C5o6ywojZ4U:VfxAuMEwCTPKz02hWwMzU/CrojZV

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 908	1940	rundll32.exe	85
PID 1940 wrote to memory of 908	1940	rundll32.exe	85
PID 1940 wrote to memory of 908	1940	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66cc2450c78ad2440415220037b2562b144eb3dc4da3ae066d6a1ea6d859ff08.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66cc2450c78ad2440415220037b2562b144eb3dc4da3ae066d6a1ea6d859ff08.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  PID:908

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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