Analysis
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max time kernel
103s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2025, 10:46
Static task
static1
Behavioral task
behavioral1
Sample
7671aa49c3696d1e98ce94df91c3c996af1cb8e58cc3b79552b475dcf8b6ca06.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7671aa49c3696d1e98ce94df91c3c996af1cb8e58cc3b79552b475dcf8b6ca06.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 4508 2492 WerFault.exe 87 -
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 3 IoCs
description pid Process procid_target PID 4044 wrote to memory of 2492 4044 rundll32.exe 87 PID 4044 wrote to memory of 2492 4044 rundll32.exe 87 PID 4044 wrote to memory of 2492 4044 rundll32.exe 87
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:4044 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 6123⤵
- Program crash
PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2492 -ip 24921⤵PID:1504