a64859ea1096c233dbe7a11d7869e9f4431f014f66d7a3f71dc13da175cd0e9c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 18:17

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General

Target

dfcbf0d2dee2e27dd7ded03854712872.dll
Size

124KB
MD5

dfcbf0d2dee2e27dd7ded03854712872
SHA1

302cb9f548c40e2549adb4d1df42b580fb40ce29
SHA256

a64859ea1096c233dbe7a11d7869e9f4431f014f66d7a3f71dc13da175cd0e9c
SHA512

2496ba472d5cc18e092a8c59aac7a75a6b8c5c6a7e28e8369bf51d37e4b26348995f2525ab0ab472e3e1aa80897e8a4d6bfda1cb8ce08f174329f07a2659eca2
SSDEEP

3072:A7q0IY1qJXvVsZPceRn2P1HZpbmHveC7Qi:M1TZqZEPeOQi

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2008	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28
PID 2156 wrote to memory of 2008	2156	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcbf0d2dee2e27dd7ded03854712872.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcbf0d2dee2e27dd7ded03854712872.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2008

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2008-0-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2008-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/2008-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download