Analysis
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max time kernel
103s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2025, 13:21
Static task
static1
Behavioral task
behavioral1
Sample
f0a2e9f3fc131d22c3d7a03318377de60416b39f2c1ecd6533a5aeaa115030b8.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250313-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 216 5012 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 3 IoCs
description pid Process procid_target PID 3476 wrote to memory of 5012 3476 rundll32.exe 85 PID 3476 wrote to memory of 5012 3476 rundll32.exe 85 PID 3476 wrote to memory of 5012 3476 rundll32.exe 85
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:3476 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 6123⤵
- Program crash
PID:216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 5012 -ip 50121⤵PID:1776