a3924df964a4e90c60ab76c7627706dd4986c06c3c513b9dae66d2cb9dc80fe1 | Triage

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 08:01

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General

Target

msvcp71.dll
Size

492KB
MD5

a94dc60a90efd7a35c36d971e3ee7470
SHA1

f936f612bc779e4ba067f77514b68c329180a380
SHA256

6c483cbe349863c7dcf6f8cb7334e7d28c299e7d5aa063297ea2f62352f6bdd9
SHA512

ff6c41d56337cac074582002d60cbc57263a31480c67ee8999bc02fc473b331eefed93ee938718d297877cf48471c7512741b4aebc0636afc78991cdf6eddfab
SSDEEP

12288:b692dAsfQqt4oJcRYRhUgiW6QR7t5k3Ooc8iHkC2ek:bSYACJcRYe3Ooc8iHkC2e

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2860	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2420 wrote to memory of 2860	2420	rundll32.exe	28
PID 2860 wrote to memory of 2916	2860	rundll32.exe	29
PID 2860 wrote to memory of 2916	2860	rundll32.exe	29
PID 2860 wrote to memory of 2916	2860	rundll32.exe	29
PID 2860 wrote to memory of 2916	2860	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp71.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2860 -s 224
    3⤵
    - Program crash
    PID:2916

Network

MITRE ATT&CK Matrix

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