Analysis
- max time kernel
298s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/10/2026, 06:05
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Check.20260903065992.exe
Resource
win10v2004-20260911-en
1 signatures
300 seconds
Behavioral task
behavioral2
Sample
Check.20260903065992.exe
Resource
win11ltsc2024-20260911-en
1 signatures
300 seconds
Behavioral task
behavioral3
Sample
libcef.dll
Resource
win10v2004-20260911-en
2 signatures
300 seconds
Behavioral task
behavioral4
Sample
libcef.dll
Resource
win11ltsc2024-20260911-en
2 signatures
300 seconds
General
- Target libcef.dll
- Size 4.8MB
- Sample261002-gtpbwatvbv
- SHA256 6742b56d76f3c1257a4965017b46decf29fb678284e0272805d95174e6f98401
- MD5 d466be462ce9fd8d24672b52dcd03cb1
- SHA1 e391585278c0ca85f6f068f641982765fb9d4da1
- SHA512 4ded92c089c6d8c53a041027f6672842fe8bafaf6853ae24b59f4bb1a2307476ba3cd15e071434f384140eb0c45affbdb5130092ac39e025b29887a84c8411fc
- SSDEEP 98304:W8H6jOMnG+FXwdTFw0Vwt62ST23ZVUI4/ih:zH6jOMnHFXwd5w9NSTKZVUqh
- TLSH T10E368E289602B3B9E4B54139224FF72669384834C4EACB47E7D41F98653AFD2ED75332
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4960 wrote to memory of 1464 4960 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libcef.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\libcef.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1464
-