0bb7e3c0492d977fe3b32844b0bccec70a808c2f7a2e36ab0942ed8101d54783 | Triage

Analysis

max time kernel
139s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 05:11

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General

Target

$PLUGINSDIR/BrandingURL.dll
Size

4KB
MD5

71c46b663baa92ad941388d082af97e7
SHA1

5a9fcce065366a526d75cc5ded9aade7cadd6421
SHA256

bb2b9c272b8b66bc1b414675c2acba7afad03fff66a63babee3ee57ed163d19e
SHA512

5965bd3f5369b9a1ed641c479f7b8a14af27700d0c27d482aa8eb62acc42f7b702b5947d82f9791b29bcba4d46e1409244f0a8ddce4ec75022b5e27f6d671bce

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1384 1932 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4844 wrote to memory of 1932	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 1932	4844	rundll32.exe	rundll32.exe
PID 4844 wrote to memory of 1932	4844	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BrandingURL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BrandingURL.dll,#1
  2⤵
  PID:1932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 600
    3⤵
    - Program crash
    PID:1384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1932 -ip 1932
1⤵
PID:464

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=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:2984

Network

MITRE ATT&CK Matrix

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