14510811dbc00c0c216b58cb05d797de4d66e1689e1303622558f00138329c9f

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 02:50

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General

Target

9a90b1bf2f113304b9680bf30e4621fd.dll
Size

80KB
MD5

9a90b1bf2f113304b9680bf30e4621fd
SHA1

00b23b97b2aaf27f809223cf452407651b42eb9a
SHA256

14510811dbc00c0c216b58cb05d797de4d66e1689e1303622558f00138329c9f
SHA512

f223e0728b0c0c185018ef9ea25f94e649eb6325776ab313aa3774865e5b286ed60321507e5e7569a5ecd9303a98647f2fa0be64298e25db6768040e2c6a9fb4
SSDEEP

1536:APNwiTt9Bv8lhJFjFwa+lyMPrWo+QrIuzfpGbtcoxxBt2:GsjjOTyMPrJrI4pGbdxxBt2

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
2172	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28
PID 2472 wrote to memory of 2172	2472	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a90b1bf2f113304b9680bf30e4621fd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a90b1bf2f113304b9680bf30e4621fd.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2172

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/2172-0-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2172-3-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download