7b3ae0ffb60577bfbf055152ac28a47d60830f3c29bc5fa17e93f0a038a63980

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03/01/2024, 21:18

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General

Target

3ed969719473cd931322aa873a32e302.dll
Size

88KB
MD5

3ed969719473cd931322aa873a32e302
SHA1

31178aaffceda35a75ad7ebf321cf40555021840
SHA256

7b3ae0ffb60577bfbf055152ac28a47d60830f3c29bc5fa17e93f0a038a63980
SHA512

594ced0af7205f43d133e39bd073218e8fb21e3f0a0344a5ba8b6c05f07647fd61df9bc3eaffaa5dd2d6aff673ad637c9915dd9dbbe5f95bea28b4ed18a624db
SSDEEP

1536:DHw9djUntnBpWbxZZVQagRnbNzJDC0cL8E8g5xk9:DHw9RUYbxZ+5DVpg5q9

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
3044	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14
PID 2656 wrote to memory of 3044	2656	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ed969719473cd931322aa873a32e302.dll,#1
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
PID:3044

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ed969719473cd931322aa873a32e302.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2656

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/3044-0-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/3044-3-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download