Overview
overview
7Static
static
7Microsoft....ng.dll
windows7-x64
1Microsoft....ng.dll
windows10-2004-x64
1Microsoft....re.dll
windows7-x64
1Microsoft....re.dll
windows10-2004-x64
1Microsoft....ms.dll
windows7-x64
1Microsoft....ms.dll
windows10-2004-x64
1Microsoft....pf.dll
windows7-x64
1Microsoft....pf.dll
windows10-2004-x64
1Nezur.dll
windows7-x64
5Nezur.dll
windows10-2004-x64
7Nezur_Interface.exe
windows7-x64
1Nezur_Interface.exe
windows10-2004-x64
1Nezur_Interface.exe
windows7-x64
3Nezur_Interface.exe
windows10-2004-x64
6Nezur_Inte...pet.js
windows7-x64
3Nezur_Inte...pet.js
windows10-2004-x64
3runtimes/w...er.dll
windows7-x64
1runtimes/w...er.dll
windows10-2004-x64
1runtimes/w...er.dll
windows10-2004-x64
1runtimes/w...er.dll
windows10-2004-x64
3Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-12-2024 14:45
Behavioral task
behavioral1
Sample
Microsoft.Extensions.FileSystemGlobbing.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Microsoft.Extensions.FileSystemGlobbing.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Microsoft.Web.WebView2.Core.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
Microsoft.Web.WebView2.Core.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Microsoft.Web.WebView2.WinForms.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Microsoft.Web.WebView2.WinForms.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Microsoft.Web.WebView2.Wpf.dll
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
Microsoft.Web.WebView2.Wpf.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Nezur.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Nezur.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Nezur_Interface.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Nezur_Interface.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Nezur_Interface.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Nezur_Interface.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Nezur_Interface.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.57/adblock_snippet.js
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
Nezur_Interface.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.57/adblock_snippet.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
runtimes/win-arm64/native/WebView2Loader.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
runtimes/win-arm64/native/WebView2Loader.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
runtimes/win-x64/native/WebView2Loader.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral20
Sample
runtimes/win-x86/native/WebView2Loader.dll
Resource
win10v2004-20241007-en
General
-
Target
runtimes/win-x86/native/WebView2Loader.dll
-
Size
113KB
-
MD5
999f67ef1a2d06beeaf85ec9b5d5d73d
-
SHA1
644b1768f8675b29fb53a51edb5d344fdf55946c
-
SHA256
4c24ade2c2a4cf652529fdf4259743fec824c628bdc056fc5c76c29e30e7c06c
-
SHA512
6399fda1c54bd26ce82b7d48ac1b7c9741d5abf68a67bd62ec53ea2a1f82caac2e9bfdb1cb22f5af3c8ca6f4789a888f6519e02941f6c33f6f9d3b0e58eb56f4
-
SSDEEP
3072:OnbFYqJx7sXRq2KVs9iiamgqeNZPTj7EtJlAlHJcgf4fm9pS:OZYqJx4gkYiavEtJe9f2mbS
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4312 1248 WerFault.exe 82 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3616 wrote to memory of 1248 3616 rundll32.exe 82 PID 3616 wrote to memory of 1248 3616 rundll32.exe 82 PID 3616 wrote to memory of 1248 3616 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\runtimes\win-x86\native\WebView2Loader.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:1248 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1248 -s 6083⤵
- Program crash
PID:4312
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1248 -ip 12481⤵PID:968