7c54cad8b779adaa3a33672db48d756cbe7589373240ca2ea137e1726f5b7700

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 03:17

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General

Target

5262e057afd5bedace1bd4b95c024de3.dll
Size

80KB
MD5

5262e057afd5bedace1bd4b95c024de3
SHA1

9c2c1c54a6d6ea10407c34d92424f8d24d4f6f15
SHA256

7c54cad8b779adaa3a33672db48d756cbe7589373240ca2ea137e1726f5b7700
SHA512

a77239717eb0554e2882da6629322776e8b3cc0c8e153f265b2c0b57504923c0781a122a046940f62ea887975627e33de4bfb1a8600b79d0b29203ac4f0db2f5
SSDEEP

1536:chaO8aVJqTMDhRp71paoXrXeYFCUkby5oK:csOxvyMDhf1pai3Dk

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
3012	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28
PID 2652 wrote to memory of 3012	2652	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5262e057afd5bedace1bd4b95c024de3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5262e057afd5bedace1bd4b95c024de3.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:3012

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/3012-0-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/3012-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download