fa09d24d7481dbdfc1cff6aaa92d2aec908e037a22a02346f6feeee5d6ba688e | Triage

Analysis

max time kernel
90s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
19-05-2024 15:21

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General

Target

Microsoft.VC142.CRT/msvcp140_codecvt_ids.dll
Size

18KB
MD5

ef6c5eeb8b36d941e6991e6981cdb88a
SHA1

e21989951b745b290f143dd63f94bd4399a74284
SHA256

3859b4a5a5c0a30cee15c188f678e09d040541c221999d926955b49e8779e675
SHA512

12cb0c4e4de73600e262b6b6d0448fb050bd4b673d86265b4033b253ea3864dda4f004f6344aae5bed7a15d5717531f7b18374e47ff4258e027ee7b896f6f406
SSDEEP

384:5DSdV3lIjIjP2dhWiOEWs/KLHRN7kxjlGsgl/Z:5c32jmdmAT7/Z

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

404 4732 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3928 wrote to memory of 4732	3928	rundll32.exe	rundll32.exe
PID 3928 wrote to memory of 4732	3928	rundll32.exe	rundll32.exe
PID 3928 wrote to memory of 4732	3928	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.VC142.CRT\msvcp140_codecvt_ids.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3928

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.VC142.CRT\msvcp140_codecvt_ids.dll,#1
2⤵
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 452
3⤵
- Program crash
PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4732 -ip 4732
1⤵
PID:4940

Network

MITRE ATT&CK Matrix

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