Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 05:33
Static task
static1
Behavioral task
behavioral1
Sample
Payroll List_pdf.bat.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
Payroll List_pdf.bat.exe
Resource
win10v2004-20250313-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250314-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
8b3830b9dbf87f84ddd3b26645fed3a0
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SHA1
223bef1f19e644a610a0877d01eadc9e28299509
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SHA256
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
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SHA512
d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03
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SSDEEP
192:ex24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlESlS:h8QIl972eXqlWBFSt273YOlEz
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2256 2184 WerFault.exe 28 -
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 11 IoCs
description pid Process procid_target PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 3044 wrote to memory of 2184 3044 rundll32.exe 28 PID 2184 wrote to memory of 2256 2184 rundll32.exe 29 PID 2184 wrote to memory of 2256 2184 rundll32.exe 29 PID 2184 wrote to memory of 2256 2184 rundll32.exe 29 PID 2184 wrote to memory of 2256 2184 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 2243⤵
- Program crash
PID:2256
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