2ff2ba5b37acf3f129832c9f1ceacc6c6148ed71726bc4e262d829ee80430192 | Triage

Analysis

max time kernel
151s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 20:22

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General

Target

$PLUGINSDIR/Base64.dll
Size

3KB
MD5

20dc0e30cc3a715e100f8662d09b71a9
SHA1

c40b9158a8c8e28d4ce7ba73a6f2e69368afc389
SHA256

015f30080a8a8ef5c9ee8751400100e3c8abb48d5c8ab5208a48daae39d22e9f
SHA512

2e455dfa373f91b563dedd2e043f8730e686bb1a6ae45c488e5ea5b9cbb0c7658b767b2e751008757c62537f8b70396aae79721dcbf13e493daaf6cebc5500bd

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4888	1252	WerFault.exe	96

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 1252	2620	rundll32.exe	96
PID 2620 wrote to memory of 1252	2620	rundll32.exe	96
PID 2620 wrote to memory of 1252	2620	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
  2⤵
  PID:1252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 600
    3⤵
    - Program crash
    PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1252 -ip 1252
1⤵
PID:5048

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=1044 --field-trial-handle=2588,i,14229658658073991926,6938034815163866135,262144 --variations-seed-version /prefetch:8
1⤵
PID:1804

Network

MITRE ATT&CK Matrix

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