Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
06-02-2025 11:09
Static task
static1
Behavioral task
behavioral1
Sample
factura_0011075553pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
factura_0011075553pdf.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250129-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
960a5c48e25cf2bca332e74e11d825c9
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SHA1
da35c6816ace5daf4c6c1d57b93b09a82ecdc876
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SHA256
484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
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SHA512
cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da
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SSDEEP
192:jVL7iZJX76BiqsO7+UZEw+RlthVEoC0O3XB:g7ssOpZs/hS3X
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1896 1748 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 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 2612 wrote to memory of 1748 2612 rundll32.exe 30 PID 1748 wrote to memory of 1896 1748 rundll32.exe 31 PID 1748 wrote to memory of 1896 1748 rundll32.exe 31 PID 1748 wrote to memory of 1896 1748 rundll32.exe 31 PID 1748 wrote to memory of 1896 1748 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:2612 -
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:1748 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 2243⤵
- Program crash
PID:1896
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