Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 06:36
Static task
static1
Behavioral task
behavioral1
Sample
Calyciform.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Calyciform.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Bluetooth Suite help_HUN.chm
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
Bluetooth Suite help_HUN.chm
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
b0c77267f13b2f87c084fd86ef51ccfc
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SHA1
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
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SHA256
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
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SHA512
f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e
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SSDEEP
192:4PtkiQJr7jHYT87RfwXQ6YSYtOuVDi7IsFW14Ll8CO:H78TQIgGCDp14LGC
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1468 4988 WerFault.exe rundll32.exe -
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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4500 wrote to memory of 4988 4500 rundll32.exe rundll32.exe PID 4500 wrote to memory of 4988 4500 rundll32.exe rundll32.exe PID 4500 wrote to memory of 4988 4500 rundll32.exe rundll32.exe
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:4500 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4988 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 6123⤵
- Program crash
PID:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4988 -ip 49881⤵PID:4924