Analysis
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max time kernel
100s -
max time network
211s -
platform
windows11-21h2_x64 -
resource
win11-20250619-en -
resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system -
submitted
01/07/2025, 06:20
Static task
static1
Behavioral task
behavioral1
Sample
JUSTIFICANTE DE PAGO.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
JUSTIFICANTE DE PAGO.exe
Resource
win11-20250619-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20250619-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20250619-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20250619-en
General
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Target
$PLUGINSDIR/LangDLL.dll
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Size
5KB
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MD5
30b091668111ab1d6c19f16586a9eee5
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SHA1
aea49d81cf9972eaf1604793c04d13ddffe2c475
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SHA256
331ca4b3a311324b463167ec43851146e57a2d90500ac3fd57a7683f6b777ffb
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SHA512
6dd592af085b2e28c54d7f525916112dbf5cfe134393b0b97f8f1f64739cf90962273c51f02e8ce2c623cf6aa8355eacda5db0b0256d8f05a77ccf0f99d11648
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SSDEEP
48:S46+/PTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mF2ofjLl:zVuPbOBtWZBV8jAWiAJCdv2CmFdL
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4932 5768 WerFault.exe 79 -
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 2636 wrote to memory of 5768 2636 rundll32.exe 79 PID 2636 wrote to memory of 5768 2636 rundll32.exe 79 PID 2636 wrote to memory of 5768 2636 rundll32.exe 79
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:2636 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5768 -s 4483⤵
- Program crash
PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5768 -ip 57681⤵PID:2344