53516f0cb95a26e41a679b428ced9723970c41f1ffbef86a64d7ec0292c7c08c | Triage

Analysis

max time kernel
136s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 16:54

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

7579ade7ae1747a31960a228ce02e666
SHA1

8ec8571a296737e819dcf86353a43fcf8ec63351
SHA256

564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
SHA512

a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4472 1756 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2484 wrote to memory of 1756	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 1756	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 1756	2484	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 624
3⤵
- Program crash
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1756 -ip 1756
1⤵
PID:4992

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=3848,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=3920 /prefetch:8
1⤵
PID:3532

Network

MITRE ATT&CK Matrix

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