106a485001ba412bf4512aca63d341b76c5e7167d2058340a205669db41edec3 | Triage

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 20:50

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General

Target

$PLUGINSDIR/jjff.dll
Size

104KB
MD5

b6a2b722d6b5ba44802de7b2e36bf2a0
SHA1

04d03c9430eaf8b6c06f41530e4806870bf3a8d8
SHA256

0a804028761c5d7510d574ba72ae48d363ab3343e3d25be72efcb3be77b89cd0
SHA512

2c06012bfdc53528d8964d777b832572adfb07d5fb850940fbc10e1aa697c0612205995b11926a4b9cdc891833baf042d76f1923616100b61b78e8042a7402c4
SSDEEP

1536:Yn6lLkgfR1KKd29JAHC/wqPfmvw/mubNewvOQBgx2Xa+G:86lLdfR1W9CK9JJvOQBgx2X

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	2212	WerFault.exe	82

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 2212	1584	rundll32.exe	82
PID 1584 wrote to memory of 2212	1584	rundll32.exe	82
PID 1584 wrote to memory of 2212	1584	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jjff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\jjff.dll,#1
  2⤵
  PID:2212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 600
    3⤵
    - Program crash
    PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2212 -ip 2212
1⤵
PID:2308

Network

MITRE ATT&CK Matrix

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