94a47191fb3a307fdaa84a1f8f31d8e1b4b79b34048814725c373e54f3d4e37a | Triage

Analysis

max time kernel
142s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 10:20

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General

Target

$PLUGINSDIR/nsProcess.dll
Size

4KB
MD5

88d3e48d1c1a051c702d47046ade7b4c
SHA1

8fc805a8b7900b6ba895d1b809a9f3ad4c730d23
SHA256

51da07da18a5486b11e0d51ebff77a3f2fcbb4d66b5665d212cc6bda480c4257
SHA512

83299dd948b40b4e2c226256d018716dbacfa739d8e882131c7f4c028c0913bc4ed9d770deb252931f3d4890f8f385bd43dcf2a5bfe5b922ec35f4b3144247a7

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	3864	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 3864	2308	rundll32.exe	90
PID 2308 wrote to memory of 3864	2308	rundll32.exe	90
PID 2308 wrote to memory of 3864	2308	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#1
  2⤵
  PID:3864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 600
    3⤵
    - Program crash
    PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3864 -ip 3864
1⤵
PID:1872

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 --field-trial-handle=3148,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:8
1⤵
PID:2656

Network

MITRE ATT&CK Matrix

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