Analysis
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max time kernel
158s -
max time network
141s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
01-04-2024 17:45
Static task
static1
Behavioral task
behavioral1
Sample
CapCut_7267140873131950085_installer.exe
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10-20240221-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10-20240221-en
General
-
Target
$PLUGINSDIR/downloader_nsis_plugin.dll
-
Size
1.2MB
-
MD5
f181413906a465fd0dd68cc4a3d98803
-
SHA1
5aa28be48047dd0b672ab98d5e7cbd8260486b4b
-
SHA256
e28ff7b8fc4b1eb2d1f394ce15de2fc031cda58db645038c8c07581c31e79dda
-
SHA512
8d0116bcbc3938b2ebdddf77dec87e4b6c872382d20b555571b0bc3e4a35f88d16bc450004f875a8271165b71bdbae5d4d474a5bfda4c7787da63f4325009c25
-
SSDEEP
24576:UtF94NRXKCK8gEM4Vn8rHmAumkpF6sBE:Ut/uXTianGmAumkpFe
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4264 4632 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4200 wrote to memory of 4632 4200 rundll32.exe rundll32.exe PID 4200 wrote to memory of 4632 4200 rundll32.exe rundll32.exe PID 4200 wrote to memory of 4632 4200 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#12⤵PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4632 -s 8803⤵
- Program crash
PID:4264