f84a61a4eda4639074bdb5490a13b10b8db5b448c0f35e3cd6708fca03b5b1f8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 10:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

6613a84fee4feee846d8a1a5078cbab7.dll
Size

88KB
MD5

6613a84fee4feee846d8a1a5078cbab7
SHA1

f38172a3da66256559176a584c2b4be53e70d4cc
SHA256

f84a61a4eda4639074bdb5490a13b10b8db5b448c0f35e3cd6708fca03b5b1f8
SHA512

3023ec98573837a4824b06f6541d15289c132c0588e4cb92abc5b63723913d0d023cb5631e5c58f95475e0791d6d641adf3b89825d04b7563905c2eab65a0db6
SSDEEP

1536:Aj8BcLWnDLOwVacXHTyrcuYLq4uH8m1w67Qmm6JeI235Q2:nBMWDawV3XHTy4uYLq4ufu677m6u35Q2

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
1732	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16
PID 2820 wrote to memory of 1732	2820	rundll32.exe	16

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6613a84fee4feee846d8a1a5078cbab7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6613a84fee4feee846d8a1a5078cbab7.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:1732

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/1732-1-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/1732-0-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download