4e68a591b4ed8ffe693619f7d98b7af388357eaf2d8005cf15b3fb5697fe69ce | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 21:41

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General

Target

AudioCodec3.dll
Size

256KB
MD5

649a958cec0eb85f8b442e7049342323
SHA1

fef92e88dcb7c59bb114bafc44a4be847396fb0f
SHA256

e2aae5a9c83ba15a149a68ff104ca471c888f660704ffc6a9e505facbdd36909
SHA512

9401ca679dc6d58a1c5c9b57c59f3335f47fb916487fdd0479589a473a0cee7ba113f245662c7c6c650f8d8558b128627c4319e544b4a850b299be73129b8d25
SSDEEP

6144:ri8q+CjKa9pcgnM6L/Y0+aKDGQCbF4NdAOD1dy:rPYdFMZzCbF4NdRDy

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	1896	WerFault.exe	17

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 2360 wrote to memory of 1896	2360	rundll32.exe	17
PID 1896 wrote to memory of 2960	1896	rundll32.exe	19
PID 1896 wrote to memory of 2960	1896	rundll32.exe	19
PID 1896 wrote to memory of 2960	1896	rundll32.exe	19
PID 1896 wrote to memory of 2960	1896	rundll32.exe	19

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCodec3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\AudioCodec3.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 224
    3⤵
    - Program crash
    PID:2960

Network

MITRE ATT&CK Matrix

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