5f09de90db804401842617dddb5750c6a8d7a27edb409c91f2ef86d0198d3e58 | Triage

Analysis

max time kernel
66s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 05:43

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General

Target

h264dec.dll
Size

283KB
MD5

7d6a901633d97ac3d21272f3c99c1b6f
SHA1

f4a094bd055a536f856e73626fbf63fe988d4407
SHA256

de86264ec5ffb0c9fd20bf7bb6298089a68f403012342c88ee3bfed9c9de6470
SHA512

0d8cd00df5eb694b1451c819f9e6e30c904f9ae8e48234c23e8a17838b7915892529d263c0685d0f7fd171977e66ffe5e4e39f82194fd0dac730c645e322736f
SSDEEP

6144:5VWrBYGEg3eHFPjz66/rajZZwoOFphkJkRL0sQaPDfmvf7nEXszs96tjSFsGj32y:erBYGRelPhM6rWgG

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1648	1032	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 1032	5072	rundll32.exe	84
PID 5072 wrote to memory of 1032	5072	rundll32.exe	84
PID 5072 wrote to memory of 1032	5072	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\h264dec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\h264dec.dll,#1
  2⤵
  PID:1032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 600
    3⤵
    - Program crash
    PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1032 -ip 1032
1⤵
PID:4572

Network

MITRE ATT&CK Matrix

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