fa09d24d7481dbdfc1cff6aaa92d2aec908e037a22a02346f6feeee5d6ba688e | Triage

Analysis

max time kernel
137s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2024 17:16

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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

4356 868 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2892 wrote to memory of 868	2892	rundll32.exe	rundll32.exe
PID 2892 wrote to memory of 868	2892	rundll32.exe	rundll32.exe
PID 2892 wrote to memory of 868	2892	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:2892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Microsoft.VC142.CRT\msvcp140_codecvt_ids.dll,#1
2⤵
PID:868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 604
3⤵
- Program crash
PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 868 -ip 868
1⤵
PID:3640

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3452,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4432 /prefetch:8
1⤵
PID:4300

Network

MITRE ATT&CK Matrix

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