f4912cbb87499a3a04cd9742fdbb99178e77d33351da26a19920de4395bc0eff

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 04:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a0e5688936633e6565f7f84d92174952.dll
Size

116KB
MD5

a0e5688936633e6565f7f84d92174952
SHA1

b462f24720d460f40ac97bab6929431057cf8f49
SHA256

f4912cbb87499a3a04cd9742fdbb99178e77d33351da26a19920de4395bc0eff
SHA512

b73f78494b28fe2725633bef7c0b22f6430ffc5c804f3ea349a4f157a947958e02b8f3663b0f11cc078d0422618d41bf4e8cc0e1f7305342103c06391e6f0def
SSDEEP

3072:j+ermb2zHlfaOrWzwuTfmJxstAZnFTCfxwDj+B:jvr33/mtOnFTrjI

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
1796	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28
PID 1132 wrote to memory of 1796	1132	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0e5688936633e6565f7f84d92174952.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0e5688936633e6565f7f84d92174952.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1796

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

Loading Replay Monitor...

Downloads

memory/1796-0-0x0000000000130000-0x000000000013B000-memory.dmp

Filesize
44KB

Download
memory/1796-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1796-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download