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
29-12-2024 05:27
Static task
static1
Behavioral task
behavioral1
Sample
9073782912,pdf.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
9073782912,pdf.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/c163.dll
Resource
win7-20241010-en
General
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Target
$PLUGINSDIR/System.dll
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Size
10KB
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MD5
56a321bd011112ec5d8a32b2f6fd3231
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SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78
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SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
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SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3
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SSDEEP
192:uv+cJZE61KRWJQO6tFiUdK7ckK4k7l1XRBm0w+NiHi1GSJ:uf6rtFRduQ1W+fG8
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2816 2804 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 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2372 wrote to memory of 2804 2372 rundll32.exe 30 PID 2804 wrote to memory of 2816 2804 rundll32.exe 31 PID 2804 wrote to memory of 2816 2804 rundll32.exe 31 PID 2804 wrote to memory of 2816 2804 rundll32.exe 31 PID 2804 wrote to memory of 2816 2804 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:2372 -
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:2804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 2243⤵
- Program crash
PID:2816
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