Analysis
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max time kernel
30s -
max time network
22s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-uk -
resource tags
arch:x64arch:x86image:win10v2004-20240508-uklocale:uk-uaos:windows10-2004-x64systemwindows -
submitted
08-06-2024 17:53
Static task
static1
Behavioral task
behavioral1
Sample
CapCut_7376221114583760912_installer.exe
Resource
win10v2004-20240508-uk
Behavioral task
behavioral2
Sample
$PLUGINSDIR/BgWorker.dll
Resource
win10v2004-20240508-uk
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-uk
Behavioral task
behavioral4
Sample
$PLUGINSDIR/deviceregister_shared.dll
Resource
win10v2004-20240426-uk
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloader_nsis_plugin.dll
Resource
win10v2004-20240508-uk
Behavioral task
behavioral6
Sample
$PLUGINSDIR/shell_downloader.dll
Resource
win10v2004-20240508-uk
General
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Target
$PLUGINSDIR/downloader_nsis_plugin.dll
-
Size
1.2MB
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MD5
f181413906a465fd0dd68cc4a3d98803
-
SHA1
5aa28be48047dd0b672ab98d5e7cbd8260486b4b
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SHA256
e28ff7b8fc4b1eb2d1f394ce15de2fc031cda58db645038c8c07581c31e79dda
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SHA512
8d0116bcbc3938b2ebdddf77dec87e4b6c872382d20b555571b0bc3e4a35f88d16bc450004f875a8271165b71bdbae5d4d474a5bfda4c7787da63f4325009c25
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SSDEEP
24576:UtF94NRXKCK8gEM4Vn8rHmAumkpF6sBE:Ut/uXTianGmAumkpFe
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1880 2384 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3436 wrote to memory of 2384 3436 rundll32.exe rundll32.exe PID 3436 wrote to memory of 2384 3436 rundll32.exe rundll32.exe PID 3436 wrote to memory of 2384 3436 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#12⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 8923⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2384 -ip 23841⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=uk --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4184,i,14355121742759267648,5150481003618395909,262144 --variations-seed-version --mojo-platform-channel-handle=4056 /prefetch:81⤵