f1b07c98ccfa8141e68aa3736a3db120d5e19828bdde7b01b151596449b23241 | Triage

Analysis

max time kernel
135s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
23-04-2024 16:12

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General

Target

WebView2Loader.dll
Size

105KB
MD5

61e6b94ab6109254fbef360681f5b80d
SHA1

204a5eda5fea33a56edb33b9ccd40af635a04564
SHA256

446b4d19ed8fa1563b77a7f36261b76911b208af1d00a805d54e44b01ca3f54a
SHA512

93fad29f13c0a18e4864ddf57aeba882fb411b84f6dff993b87295a1b5e4b488433802c2150fbf25a3132379dc2eb3aa02d836059b0ef24a2db4269eb0795a9b
SSDEEP

3072:iTC3F6JkULenwAFqz5pV3+Zqocv0T+EtO5pf+gMl/1:iuV66kL5pjxEtqpWRl/1

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4204	4576	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 4576	736	rundll32.exe	90
PID 736 wrote to memory of 4576	736	rundll32.exe	90
PID 736 wrote to memory of 4576	736	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\WebView2Loader.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\WebView2Loader.dll,#1
  2⤵
  PID:4576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 600
    3⤵
    - Program crash
    PID:4204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4576 -ip 4576
1⤵
PID:916

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=4136 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:2744

Network

MITRE ATT&CK Matrix

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