9f83690b4ba738a40f8993645d5d02d3fda46041bf93a97cbde487fe09e3bb86 | Triage

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-06-2024 03:25

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General

Target

Nucleus.Hook64.dll
Size

255KB
MD5

fcd498167afd34b9c445d4ec4737530e
SHA1

feebecfe4bad90a8b467cc9d014c85f813228f59
SHA256

ab2d8988e6c918c1bc4791ec05ea85452eb814749a14424e97ef9c1dda7ea6e0
SHA512

8a17526fb017947926689d144bc33bda4388764be68a5e1e1d96769122fcf622c5dc7e17b23b9c8dbb09198474a0b9755a83965b5387632ec9cfe15016dac7da
SSDEEP

6144:nwANuq9lRoRPWNDl+PxQZUmgohgE72c1Y2nvEc:nw89oIlyDof/vE

Score

1^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

2928 rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2928 wrote to memory of 3048	2928	rundll32.exe	WerFault.exe
PID 2928 wrote to memory of 3048	2928	rundll32.exe	WerFault.exe
PID 2928 wrote to memory of 3048	2928	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nucleus.Hook64.dll,#1
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2928 -s 168
2⤵
PID:3048

MITRE ATT&CK Matrix

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