Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/07/2026, 12:36
Static task
static1
Behavioral task
behavioral1
Sample
Launcher.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Launcher.bat
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
lua51.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
lua51.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
luajit.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
luajit.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
userdata.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
userdata.js
Resource
win11ltsc2024-20260709-en
General
- Target lua51.dll
- Size 413KB
- Sample260730-pterfaan8w
- SHA256 012e772e3c72c5f500aab86e78e99afff222bdc8d914bc32bb244ade03d5a486
- MD5 2f0394640486f2ac8dfb23ee05f904a9
- SHA1 63b5af9791a1feebafd0be67f2a33391025bc887
- SHA512 af1c033162b75b4fbd28fc8ea33f264aab116dab0054ee6beaf899b23eac65aaf0303825f9e133ba7645f2f9421d5586a841e34e14c196c2c0b7e74e43821b05
- SSDEEP 6144:rQfFVKb26ouykP5eNASsJtQ9Se0mTdXyR/XcL3UL106wDo9ZOF+63DGl/jQI1L:rsF8b26XyvNAHJW9hXdXu/ML3UGyl/0M
- TLSH T1EB946CC169C744F6D19755B094ABAFBF8A358E024025C8F9E5E8FD1DED33B82142721E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1976 4544 WerFault.exe 85 - 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 4664 wrote to memory of 4544 4664 rundll32.exe 85
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 6003⤵
- Program crash
PID:1976
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 45441⤵PID:4692