Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/10/2026, 12:21
Static task
static1
Behavioral task
behavioral1
Sample
updll3.dll
Resource
win10v2004-20260911-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
updll3.dll
Resource
win11ltsc2024-20260911-en
3 signatures
150 seconds
General
- Target updll3.dll
- Size 1015KB
- Sample261014-pjs63svvbw
- SHA256 416309526deda096ac6b16949a61237b47100fa6854d74e3bfacaab3d8a4afb8
- MD5 f5e3fd1d3a5e86fc072d53408e758be9
- SHA1 1ed2958aa8bc966881a38ae54cc323e5bc52ec28
- SHA512 4674f601c78c317afdb324cb9e48df2e1e93e3cd061f4d36aa782109d9060fed841f153836852db93bcc3fb84b08ec4f1c35fccea392de248ca89729a4c850c7
- SSDEEP 24576:HzQzdHcEotQ5HCHvwcFi+ooSgA+eqLTJAS5IwX+CmE3l9CA0L3i+:H6Rrv5avfiupNAUz+CmiH7+V
- TLSH T1E925339679354A16D27949F47DE0893EF7313E4A1522C0C3A6A2C21D8E8474EED4B2EF
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5060 2388 WerFault.exe 88 - 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 4472 wrote to memory of 2388 4472 rundll32.exe 88
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\updll3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\updll3.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 6323⤵
- Program crash
PID:5060
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2388 -ip 23881⤵PID:3136