70db4e0f3cc3d9a4c69f92bafb289b90958ef62139781be40aed76a4c97ab6b3 | Triage

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2024, 12:53

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General

Target

api-ms-win-core-timezone-l1-1-0.dll
Size

11KB
MD5

5fd34951aca2d9dd09d93d0554c79c0f
SHA1

4929b030081bb01ce6594096c5a27b16e12787e1
SHA256

70db4e0f3cc3d9a4c69f92bafb289b90958ef62139781be40aed76a4c97ab6b3
SHA512

4e177af2dce58cc848f07e3eec13f11beb084252db87f73d0a4d8f36e9e6a9f9d29519953933c206fa40df921331b35f0c82a5305b7d6ecb0196374c003046c1
SSDEEP

192:Vw91WCu7hWlzBODBQABJ9znIqnajnp+MVc/ClDx2:iWphW+DBRJ9rIldBcODx2

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3996	4748	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4748	824	rundll32.exe	90
PID 824 wrote to memory of 4748	824	rundll32.exe	90
PID 824 wrote to memory of 4748	824	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-timezone-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-core-timezone-l1-1-0.dll,#1
  2⤵
  PID:4748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4748 -s 600
    3⤵
    - Program crash
    PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4748 -ip 4748
1⤵
PID:3564

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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:4068

Network

MITRE ATT&CK Matrix

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