Analysis
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max time kernel
146s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
capcut_capcutpc_0_1.2.6_installer.exe
Resource
win11-20240508-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win11-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win11-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win11-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win11-20240426-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 4804 4500 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3132 wrote to memory of 4500 3132 rundll32.exe rundll32.exe PID 3132 wrote to memory of 4500 3132 rundll32.exe rundll32.exe PID 3132 wrote to memory of 4500 3132 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⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 6203⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 45001⤵