b61fed559224dec5c55d61b344407e65bb7253586120f144a8f07db35a41383d | Triage

Analysis

max time kernel
585s
max time network
603s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 19:07

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General

Target

bearer/libn.dll
Size

18KB
MD5

379358b4cd4b60137c0807f327531987
SHA1

b0a5f6e3dcd0dbc94726f16ed55d2461d1737b59
SHA256

0ff1d03926f5d9c01d02fae5c5e1f018a87d7f90a1826de47277530bfc7776f8
SHA512

097c08135d654596a19ada814ad360a8c2374d989cbd7094c6acb092e9854abf1f1d878d3da72b66c4c75806586bee7fe04d555a1d82db170725bdbeadea7d50
SSDEEP

384:rLyPunoshzdtnbuH0aXOk0GfZh5g+zCxU:rLy7s5dJuHHOqhyy

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2772 wrote to memory of 2548	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2548	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2548	2772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bearer\libn.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bearer\libn.dll,#1
2⤵
PID:2548

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=5348 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:2460

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=4116 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
1⤵
PID:1612

Network

MITRE ATT&CK Matrix

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