Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24/02/2025, 13:06
Static task
static1
Behavioral task
behavioral1
Sample
Payroll List_pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payroll List_pdf.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250217-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
2ae993a2ffec0c137eb51c8832691bcb
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SHA1
98e0b37b7c14890f8a599f35678af5e9435906e1
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SHA256
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
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SHA512
2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9
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SSDEEP
192:vPtkumJX7zB22kGwfy0mtVgkCPOsE1un:k702k5qpdsEQn
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2176 768 WerFault.exe 31 -
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 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 2344 wrote to memory of 768 2344 rundll32.exe 31 PID 768 wrote to memory of 2176 768 rundll32.exe 32 PID 768 wrote to memory of 2176 768 rundll32.exe 32 PID 768 wrote to memory of 2176 768 rundll32.exe 32 PID 768 wrote to memory of 2176 768 rundll32.exe 32
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:2344 -
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:768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 2243⤵
- Program crash
PID:2176
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