Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-12-2024 09:17
Static task
static1
Behavioral task
behavioral1
Sample
50595_1570 - JSV.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
50595_1570 - JSV.pdf.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
a4dd044bcd94e9b3370ccf095b31f896
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SHA1
17c78201323ab2095bc53184aa8267c9187d5173
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SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
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SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
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SSDEEP
192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2544 2516 WerFault.exe 30 -
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 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2496 wrote to memory of 2516 2496 rundll32.exe 30 PID 2516 wrote to memory of 2544 2516 rundll32.exe 31 PID 2516 wrote to memory of 2544 2516 rundll32.exe 31 PID 2516 wrote to memory of 2544 2516 rundll32.exe 31 PID 2516 wrote to memory of 2544 2516 rundll32.exe 31
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:2496 -
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:2516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 2243⤵
- Program crash
PID:2544
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