d63a39fa05b4ec7720852ed01d2a90b141f7dfbe14bb5028bff8c47e97219044 | Triage

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 23:47

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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

pid	pid_target	Process	procid_target
5080	2188	WerFault.exe	93

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 2188	4628	rundll32.exe	93
PID 4628 wrote to memory of 2188	4628	rundll32.exe	93
PID 4628 wrote to memory of 2188	4628	rundll32.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
  2⤵
  PID:2188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 612
    3⤵
    - Program crash
    PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2188 -ip 2188
1⤵
PID:2268

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=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:3668

Network

MITRE ATT&CK Matrix

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