dbb970153ca19a694bf23eb548e109254436d9b18512a8034c62b6bf3806e2f6

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 15:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

034ae2fc5dc49b6b33a47d38719cc3b2.dll
Size

187KB
MD5

034ae2fc5dc49b6b33a47d38719cc3b2
SHA1

75d3f808508de98c626ec21103371e43e6470178
SHA256

dbb970153ca19a694bf23eb548e109254436d9b18512a8034c62b6bf3806e2f6
SHA512

289e805460026398c806ba0d6aaadb6c744387abe3f914d699a36aa7c7d12776f6f4fdb1a075dde62f56265c32a23767b081dc662cdaeeb135c79638c82c9e35
SSDEEP

3072:iztdAN/5+VeIJogpVISza/1ocBvabbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFB:0to/MgFg0Sza/dkwvP6bQ7yMP+DE827T

Score

6^/10

bootkit persistence

Malware Config

Signatures

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	regsvr32.exe

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28
PID 2364 wrote to memory of 1216	2364	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\034ae2fc5dc49b6b33a47d38719cc3b2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\034ae2fc5dc49b6b33a47d38719cc3b2.dll
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:1216

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1216-0-0x00000000741D0000-0x0000000074216000-memory.dmp

Filesize
280KB

Download
memory/1216-1-0x0000000000720000-0x0000000000750000-memory.dmp

Filesize
192KB

Download
memory/1216-2-0x00000000001B0000-0x00000000001B3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads