fb2fb2cf83fb37e0dfd7bf604bb1eaf949b020cb4c15f0f3007109da1b050e62

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 11:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

564aaae9c8c47620f1b102798ff672cb.dll
Size

120KB
MD5

564aaae9c8c47620f1b102798ff672cb
SHA1

35d70ba02c8765127b01a40a51e830d4349dbbd4
SHA256

fb2fb2cf83fb37e0dfd7bf604bb1eaf949b020cb4c15f0f3007109da1b050e62
SHA512

4e3a6f0af759c9abf554a800a0e78893a3339a856243ece63013cf5827dffa2e20409ce1d0942a0da5415407d2fa94f55d3656ceff3b9fc61aac9e3aa77514f0
SSDEEP

3072:dAJfeT2F7geRv4CqRqDHdFb1yZ68ILwZMbCTf:dAJfey9pKCq+AZ6JLiO4f

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
1872	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28
PID 1928 wrote to memory of 1872	1928	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\564aaae9c8c47620f1b102798ff672cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\564aaae9c8c47620f1b102798ff672cb.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1872

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/1872-0-0x00000000001C0000-0x00000000001CB000-memory.dmp

Filesize
44KB

Download
memory/1872-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1872-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download