c373d0591542aac0ebfce6c12301e2b44615a6e2daf35649569507abeb76b8f8 | Triage

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 12:55

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General

Target

$PLUGINSDIR/avnvqxw.dll
Size

166KB
MD5

3d73de3b45c173f2a1653d4872a3fc2e
SHA1

27a2e3d73a8bfa921129be794073ab68493f8737
SHA256

ec0940570cce707b6af6d397c56569497eca0cc7192e1ba3d32592c61375a5d9
SHA512

aced4a43f19dae97646a6ab00ad4d814b3483b635caa14022ab8b21de550923d47257ed62c896c5eb498ad4b40396e27507587ef39efebe010dfea6796c29e9d
SSDEEP

3072:GR1bgCERQa+qauo/qKv55s9M+dwc5IZh+d/9sQa/8:W1bbECaWS65Gdwc5QhdU

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3400	3856	WerFault.exe	72

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3856	1624	rundll32.exe	72
PID 1624 wrote to memory of 3856	1624	rundll32.exe	72
PID 1624 wrote to memory of 3856	1624	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\avnvqxw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\avnvqxw.dll,#1
  2⤵
  PID:3856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 600
    3⤵
    - Program crash
    PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3856 -ip 3856
1⤵
PID:4536

Network

MITRE ATT&CK Matrix

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