a3924df964a4e90c60ab76c7627706dd4986c06c3c513b9dae66d2cb9dc80fe1 | Triage

Analysis

max time kernel
141s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 08:01

Sharing

Report Analysis Logs

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
2188	1112	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 1112	1240	rundll32.exe	90
PID 1240 wrote to memory of 1112	1240	rundll32.exe	90
PID 1240 wrote to memory of 1112	1240	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp71.dll,#1
  2⤵
  PID:1112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 604
    3⤵
    - Program crash
    PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1112 -ip 1112
1⤵
PID:2900

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads