Analysis
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max time kernel
92s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
19-02-2025 02:18
Static task
static1
Behavioral task
behavioral1
Sample
Factura-689 Pdf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Factura-689 Pdf.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250217-en
General
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Target
$PLUGINSDIR/LangDLL.dll
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Size
5KB
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MD5
2a0f58baa9f48961707195d3d9ab8d0a
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SHA1
abb640f58bd2a3fc50cd130bd960015df7a2a345
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SHA256
a9520ce3bcfa4cfb7d9be3d317bdb3068246b38292e6d291a55f1b04a158998e
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SHA512
273356a565978ff58d223e4d84de85d257838b1c37ae33054de76401ac935fd26f54213424ad8164bae2c4f9d9f2d61cbdd24bbaad453da938e0dca26b98130a
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SSDEEP
48:im1gEhmNd2MPUptxENJ5imMOBAZqMTBCpYwvNHZzUJvR0J56of5dwe:F1qdBGE75LBAZqIFeZUR0zPd
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 716 3464 WerFault.exe 86 -
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 3136 wrote to memory of 3464 3136 rundll32.exe 86 PID 3136 wrote to memory of 3464 3136 rundll32.exe 86 PID 3136 wrote to memory of 3464 3136 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 6003⤵
- Program crash
PID:716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3464 -ip 34641⤵PID:3140