Overview
overview
7Static
static
7Nezur_Executor.zip
windows11-21h2-x64
7Microsoft....re.xml
windows11-21h2-x64
1Microsoft....ms.xml
windows11-21h2-x64
1Microsoft....pf.xml
windows11-21h2-x64
1Nezur_Inte...s.json
windows11-21h2-x64
3Nezur_Inte...rprint
windows11-21h2-x64
3Nezur_Inte...t.json
windows11-21h2-x64
3Nezur_Inte...s.json
windows11-21h2-x64
3Nezur_Inte...re.pma
windows11-21h2-x64
3Nezur_Inte...3C.pma
windows11-21h2-x64
3Nezur_Inte...rl-set
windows11-21h2-x64
1Nezur_Inte...rprint
windows11-21h2-x64
3Nezur_Inte...t.json
windows11-21h2-x64
3Nezur_Inte...gs.dat
windows11-21h2-x64
3Nezur_Inte...re.dat
windows11-21h2-x64
3Nezur_Inte...data_0
windows11-21h2-x64
1Nezur_Inte...data_1
windows11-21h2-x64
1Nezur_Inte...data_2
windows11-21h2-x64
1Nezur_Inte...data_3
windows11-21h2-x64
1Nezur_Inte...pet.js
windows11-21h2-x64
3Nezur_Inte...rprint
windows11-21h2-x64
3Nezur_Inte...t.json
windows11-21h2-x64
3Nezur_Inte...ations
windows11-21h2-x64
1Nezur_Inte..._1.zip
windows11-21h2-x64
1Nezur_Inte..._1.zip
windows11-21h2-x64
1Nezur_Inte..._1.zip
windows11-21h2-x64
1Nezur_Inte...g.json
windows11-21h2-x64
3autoexec/int.lua
windows11-21h2-x64
3runtimes/w...er.dll
windows11-21h2-x64
1runtimes/w...er.dll
windows11-21h2-x64
1runtimes/w...er.dll
windows11-21h2-x64
3workspace/IY_FE.iy
windows11-21h2-x64
3Analysis
-
max time kernel
91s -
max time network
99s -
platform
windows11-21h2_x64 -
resource
win11-20241023-en -
resource tags
arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-12-2024 18:29
Behavioral task
behavioral1
Sample
Nezur_Executor.zip
Resource
win11-20241007-en
Behavioral task
behavioral2
Sample
Microsoft.Web.WebView2.Core.xml
Resource
win11-20241007-en
Behavioral task
behavioral3
Sample
Microsoft.Web.WebView2.WinForms.xml
Resource
win11-20241007-en
Behavioral task
behavioral4
Sample
Microsoft.Web.WebView2.Wpf.xml
Resource
win11-20241007-en
Behavioral task
behavioral5
Sample
Nezur_Interface.deps.json
Resource
win11-20241007-en
Behavioral task
behavioral6
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.fingerprint
Resource
win11-20241007-en
Behavioral task
behavioral7
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.json
Resource
win11-20241007-en
Behavioral task
behavioral8
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/protocols.json
Resource
win11-20241023-en
Behavioral task
behavioral9
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics-spare.pma
Resource
win11-20241007-en
Behavioral task
behavioral10
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics/BrowserMetrics-6758B082-4D3C.pma
Resource
win11-20241007-en
Behavioral task
behavioral11
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/crl-set
Resource
win11-20241007-en
Behavioral task
behavioral12
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.fingerprint
Resource
win11-20241007-en
Behavioral task
behavioral13
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.json
Resource
win11-20241007-en
Behavioral task
behavioral14
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/settings.dat
Resource
win11-20241007-en
Behavioral task
behavioral15
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/throttle_store.dat
Resource
win11-20241007-en
Behavioral task
behavioral16
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_0
Resource
win11-20241023-en
Behavioral task
behavioral17
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_1
Resource
win11-20241007-en
Behavioral task
behavioral18
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_2
Resource
win11-20241007-en
Behavioral task
behavioral19
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_3
Resource
win11-20241007-en
Behavioral task
behavioral20
Sample
Nezur_Interface.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.57/adblock_snippet.js
Resource
win11-20241007-en
Behavioral task
behavioral21
Sample
Nezur_Interface.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.57/manifest.fingerprint
Resource
win11-20241007-en
Behavioral task
behavioral22
Sample
Nezur_Interface.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.57/manifest.json
Resource
win11-20241007-en
Behavioral task
behavioral23
Sample
Nezur_Interface.exe.WebView2/EBWebView/Variations
Resource
win11-20241007-en
Behavioral task
behavioral24
Sample
Nezur_Interface.exe.WebView2/EBWebView/component_crx_cache/eeobbhfgfagbclfofmgbdfoicabjdbkn_1.zip
Resource
win11-20241007-en
Behavioral task
behavioral25
Sample
Nezur_Interface.exe.WebView2/EBWebView/component_crx_cache/ndikpojcjlepofdkaaldkinkjbeeebkl_1.zip
Resource
win11-20241007-en
Behavioral task
behavioral26
Sample
Nezur_Interface.exe.WebView2/EBWebView/component_crx_cache/oankkpibpaokgecfckkdkgaoafllipag_1.zip
Resource
win11-20241007-en
Behavioral task
behavioral27
Sample
Nezur_Interface.runtimeconfig.json
Resource
win11-20241007-en
Behavioral task
behavioral28
Sample
autoexec/int.lua
Resource
win11-20241007-en
Behavioral task
behavioral29
Sample
runtimes/win-arm64/native/WebView2Loader.dll
Resource
win11-20241007-en
Behavioral task
behavioral30
Sample
runtimes/win-x64/native/WebView2Loader.dll
Resource
win11-20241007-en
Behavioral task
behavioral31
Sample
runtimes/win-x86/native/WebView2Loader.dll
Resource
win11-20241023-en
Behavioral task
behavioral32
Sample
workspace/IY_FE.iy
Resource
win11-20241007-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 2848 1012 WerFault.exe 78 -
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 868 wrote to memory of 1012 868 rundll32.exe 78 PID 868 wrote to memory of 1012 868 rundll32.exe 78 PID 868 wrote to memory of 1012 868 rundll32.exe 78
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:868 -
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:1012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1012 -s 4523⤵
- Program crash
PID:2848
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1012 -ip 10121⤵PID:4832