Analysis
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max time kernel
1517s -
max time network
1485s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-08-2024 16:55
Static task
static1
Behavioral task
behavioral1
Sample
capcut_capcutpc_0_1.2.6_installer.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win11-20240802-en
General
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Target
$PLUGINSDIR/shell_downloader.dll
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Size
2.3MB
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MD5
c052c0a2ed833d924b7799625413ac1c
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SHA1
bdd08a29f4de283ba0eb3cda4abc26f6e85d4d5e
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SHA256
098972cf9ddc9d574130e025a252a99b278de9cc0ae700acfb8c935c24eb1172
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SHA512
89e67c29d5d8a401a70a5b572844f24bfde82d5d4259ecc5e6f12be0ddb434995a2e985914fc421973998e3fdc48b133e269e8bb1da513ec66199f01060162f1
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SSDEEP
49152:ed86lJRUahxtsyZj1+z9DApoEV+i4u2VFZhDy+:ed86WsCA1+BDwdV94u2VFi
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3236 4528 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 3480 wrote to memory of 4528 3480 rundll32.exe rundll32.exe PID 3480 wrote to memory of 4528 3480 rundll32.exe rundll32.exe PID 3480 wrote to memory of 4528 3480 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\shell_downloader.dll,#12⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 6243⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4528 -ip 45281⤵