166cbecf16ba0f14f3eb6172b81e810cc5230582c6d010cef95e34e0f94a6fc1 | Triage

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 16:07

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

00a0194c20ee912257df53bfe258ee4a
SHA1

d7b4e319bc5119024690dc8230b9cc919b1b86b2
SHA256

dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
SHA512

3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667
SSDEEP

192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3940	4416	WerFault.exe	91

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 4416	1572	rundll32.exe	91
PID 1572 wrote to memory of 4416	1572	rundll32.exe	91
PID 1572 wrote to memory of 4416	1572	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 612
    3⤵
    - Program crash
    PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4416 -ip 4416
1⤵
PID:1620

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=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:3348

Network

MITRE ATT&CK Matrix

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