Analysis
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max time kernel
121s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2025, 11:25
Static task
static1
Behavioral task
behavioral1
Sample
AppFile.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
res/NvFBC.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
res/NvFBC64.dll
Resource
win10v2004-20250314-en
Behavioral task
behavioral4
Sample
res/nvopencl64.dll
Resource
win10v2004-20250314-en
General
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Target
res/NvFBC.dll
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Size
1.5MB
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MD5
a92382996045119ffdb2dea19e1484c2
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SHA1
ea84e48ec00cf431b7645ddd866f82fc6e3c78c4
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SHA256
62d9de1c56e7f71fead4b520252ed656fd22b1640d218a85f91653e3eb3d48b0
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SHA512
03d90830d0e1c887e02a2aa40f0e4edabb56e043cbd2a9f9c9c518a534d8b6baad2c8a2c286a9ebae9929356afeb10485c71101194adc4ec9bbf6de8356840b0
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SSDEEP
24576:WGmJOaqO2cECUcgUiHuGqGzXzsdRCb1hFJb01FjzALI+/bPz8/UhKmLce:ZOn9GHsdRCb1hFJb07A0obKUhKmL1
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4876 3812 WerFault.exe 87 -
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 3932 wrote to memory of 3812 3932 rundll32.exe 87 PID 3932 wrote to memory of 3812 3932 rundll32.exe 87 PID 3932 wrote to memory of 3812 3932 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\res\NvFBC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\res\NvFBC.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3812 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 7763⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3812 -ip 38121⤵PID:4836