74363f391dd3c0950e22d250039c3b5f68277229cbcae9656b02dd4a815754db | Triage

Analysis

max time kernel
151s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 21:54

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

d9a3fc12d56726dde60c1ead1df366f7
SHA1

f531768159c14f07ac896437445652b33750a237
SHA256

401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a
SHA512

6b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	3324	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 3324	792	rundll32.exe	94
PID 792 wrote to memory of 3324	792	rundll32.exe	94
PID 792 wrote to memory of 3324	792	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:3324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 612
    3⤵
    - Program crash
    PID:2172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3324 -ip 3324
1⤵
PID:4392

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=4048 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
1⤵
PID:2408

Network

MITRE ATT&CK Matrix

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