Analysis
- max time kernel
117s - max time network
120s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
14/02/2024, 03:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20231215-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20231215-en
11 signatures
150 seconds
Behavioral task
behavioral3
Sample
lua51.dll
Resource
win7-20231215-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
lua51.dll
Resource
win10v2004-20231215-en
2 signatures
150 seconds
Behavioral task
behavioral5
Sample
start.bat
Resource
win7-20231215-en
3 signatures
150 seconds
Behavioral task
behavioral6
Sample
start.bat
Resource
win10v2004-20231222-en
4 signatures
150 seconds
General
- Target lua51.dll
- Size 592KB
- Sample240214-drczaafe3s
- SHA256 ff976f6e965e3793e278fa9bf5e80b9b226a0b3932b9da764bffc8e41e6cdb60
- MD5 3dff7448b43fcfb4dc65e0040b0ffb88
- SHA1 583cdab08519d99f49234965ffd07688ccf52c56
- SHA512 cdcbe0ec9ddd6b605161e3c30ce3de721f1333fce85985e88928086b1578435dc67373c3dc3492ed8eae0d63987cac633aa4099b205989dcbb91cbbfc8f6a394
- SSDEEP 12288:rs7/mj/73RaLHIW5BmUeUhoE4RgiF1q1bPIBKsg4Db0S:rc/u/7IoRnUKfq1Dl4DY
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 1668 2148 WerFault.exe 28 - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 1996 wrote to memory of 2148 1996 rundll32.exe 28 PID 2148 wrote to memory of 1668 2148 rundll32.exe 29 PID 2148 wrote to memory of 1668 2148 rundll32.exe 29 PID 2148 wrote to memory of 1668 2148 rundll32.exe 29 PID 2148 wrote to memory of 1668 2148 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 2243⤵
- Program crash
PID:1668
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