Analysis
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max time kernel
377s -
max time network
380s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-08-2024 12:00
Static task
static1
Behavioral task
behavioral1
Sample
CapCut_7367364674536357904_installer.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20240802-en
General
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Target
$PLUGINSDIR/shell_downloader.dll
-
Size
2.3MB
-
MD5
c052c0a2ed833d924b7799625413ac1c
-
SHA1
bdd08a29f4de283ba0eb3cda4abc26f6e85d4d5e
-
SHA256
098972cf9ddc9d574130e025a252a99b278de9cc0ae700acfb8c935c24eb1172
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SHA512
89e67c29d5d8a401a70a5b572844f24bfde82d5d4259ecc5e6f12be0ddb434995a2e985914fc421973998e3fdc48b133e269e8bb1da513ec66199f01060162f1
-
SSDEEP
49152:ed86lJRUahxtsyZj1+z9DApoEV+i4u2VFZhDy+:ed86WsCA1+BDwdV94u2VFi
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4000 5080 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 4952 wrote to memory of 5080 4952 rundll32.exe rundll32.exe PID 4952 wrote to memory of 5080 4952 rundll32.exe rundll32.exe PID 4952 wrote to memory of 5080 4952 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 5080 -s 7003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5080 -ip 50801⤵