a5ade73cacf80906a0e898f86bc261f2ff580d34c472ce7914ea987aab5c819d | Triage

Analysis

max time kernel
114s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 03:36

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General

Target

$PLUGINSDIR/StdUtils.dll
Size

14KB
MD5

21010df9bc37daffcc0b5ae190381d85
SHA1

a8ba022aafc1233894db29e40e569dfc8b280eb9
SHA256

0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16
SHA512

95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e
SSDEEP

192:OFb8Y8oqy2mqZc9hGBQHRx39oRxmMvURkB/Fs:qb8Y8nKqohGBKxox9vURw/a

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2612 2296 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3968 wrote to memory of 2296	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 2296	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 2296	3968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
2⤵
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 612
3⤵
- Program crash
PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2296 -ip 2296
1⤵
PID:4980

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 --mojo-platform-channel-handle=3500 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:2976

Network

MITRE ATT&CK Matrix

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