Overview
overview
10Static
static
10Install de...es.bat
windows11-21h2-x64
1Microsoft....re.dll
windows11-21h2-x64
1Microsoft....ms.dll
windows11-21h2-x64
1Microsoft....pf.dll
windows11-21h2-x64
1Newtonsoft.Json.dll
windows11-21h2-x64
1SKullUI.exe
windows11-21h2-x64
1libcrypto-3-x64.dll
windows11-21h2-x64
1libssl-3-x64.dll
windows11-21h2-x64
1skull.dll
windows11-21h2-x64
1skull.exe
windows11-21h2-x64
10Analysis
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max time kernel
438s -
max time network
440s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-02-2025 08:48
Behavioral task
behavioral1
Sample
Install dependencies.bat
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
Microsoft.Web.WebView2.Core.dll
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
Microsoft.Web.WebView2.WinForms.dll
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
Microsoft.Web.WebView2.Wpf.dll
Resource
win11-20241023-en
Behavioral task
behavioral5
Sample
Newtonsoft.Json.dll
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
SKullUI.exe
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
libcrypto-3-x64.dll
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
libssl-3-x64.dll
Resource
win11-20241007-en
Behavioral task
behavioral9
Sample
skull.dll
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
skull.exe
Resource
win11-20241007-en
General
-
Target
skull.dll
-
Size
1.3MB
-
MD5
538ce914853d942471aca19f7344ee45
-
SHA1
d34ea715f5ac65a61f753119ec1534dd712a37e1
-
SHA256
887ea84d65f10821d48dcb3678dc8834338d1e2e13915f6b6b02971a2fb0bcf2
-
SHA512
f487a9c7cd301ecc51b8f5890e1aa223b9f4373aba3e75d71cba0e3bcbdf7032a365bd23e8ae19520bfa90962c6cd36410bb7f83f8f173b25f2ec1f87592cd03
-
SSDEEP
24576:1IdKiywcIFdxMJm2yOCvDLuMyw+wwZzNggeCaGtNm1pKy:1IdKiIgpvDKMz+9ZzNgKaK41z
Malware Config
Signatures
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4512 rundll32.exe 4512 rundll32.exe 4512 rundll32.exe 4512 rundll32.exe