cc3fbfa0fa74fbc726e44e82698122ef072faba171c51b65c769b79b359d6790 | Triage

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 22:19

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General

Target

$TEMP/NFilterOpenWeb.dll
Size

339KB
MD5

ec09aea6003f13cea6fd25ec33c7a229
SHA1

6f7ec5bb4685f336d30e5ab4d430ca65e6479421
SHA256

3c78120038010d538fcd9217c6c00a79ec3ac56ea38a63ee24339d5a63177f4c
SHA512

14f06b72c4b8f730038673477bcb2b2401cd4e8e33bd89075505f02552f9dcf9c29384df846efb98c142aa203dbebd56065cede4a1cd718f04837c0c5b486f7f
SSDEEP

6144:W/ejWyJivucGqXmTNHlhhtUbeDhcDSBQTPN5zZ:tjWy0vXG6mTNHlaGdBQBRZ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1044	2236	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 2236	4240	rundll32.exe	85
PID 4240 wrote to memory of 2236	4240	rundll32.exe	85
PID 4240 wrote to memory of 2236	4240	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\NFilterOpenWeb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\NFilterOpenWeb.dll,#1
  2⤵
  PID:2236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 600
    3⤵
    - Program crash
    PID:1044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2236 -ip 2236
1⤵
PID:3524

Network

MITRE ATT&CK Matrix

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