5a32ea1d082522fd2542ab7c82bb41b78fcc79d75a7c7b23f4b23ea5b958617c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 05:57

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General

Target

2ae5301d0e1056d9a6bbec6e7320ed4e.dll
Size

68KB
MD5

2ae5301d0e1056d9a6bbec6e7320ed4e
SHA1

5fadc0ad40db1962158597292ac7b9b95ceca43a
SHA256

5a32ea1d082522fd2542ab7c82bb41b78fcc79d75a7c7b23f4b23ea5b958617c
SHA512

aeaf60f7381af3ab578050082712c0a897d539404a581a22916fcfbbfd755447f612c5d293a1665cea0bdf513d7b82d576bc68ff65c985f5b0ca4a11b056bb2e
SSDEEP

1536:Pxx0Zjh+ZzUkfRuOlKI6LyIJ52nPuPJk9F:Pxx0Nh+dUkfRuOlKI6eIbGuPSz

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
2140	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17
PID 1992 wrote to memory of 2140	1992	rundll32.exe	17

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ae5301d0e1056d9a6bbec6e7320ed4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ae5301d0e1056d9a6bbec6e7320ed4e.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2140

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/2140-3-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download
memory/2140-0-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download