Overview
overview
7Static
static
7Nezur_Executor.zip
windows7-x64
1Nezur_Executor.zip
windows10-2004-x64
1Microsoft....re.xml
windows7-x64
3Microsoft....re.xml
windows10-2004-x64
1Microsoft....ms.xml
windows7-x64
3Microsoft....ms.xml
windows10-2004-x64
1Microsoft....pf.xml
windows7-x64
3Microsoft....pf.xml
windows10-2004-x64
1Nezur_Inte...s.json
windows7-x64
3Nezur_Inte...s.json
windows10-2004-x64
3Nezur_Inte...rprint
windows7-x64
3Nezur_Inte...rprint
windows10-2004-x64
3Nezur_Inte...t.json
windows7-x64
3Nezur_Inte...t.json
windows10-2004-x64
3Nezur_Inte...s.json
windows7-x64
3Nezur_Inte...s.json
windows10-2004-x64
3Nezur_Inte...re.pma
windows7-x64
3Nezur_Inte...re.pma
windows10-2004-x64
3Nezur_Inte...3C.pma
windows7-x64
3Nezur_Inte...3C.pma
windows10-2004-x64
3Nezur_Inte...rl-set
windows7-x64
1Nezur_Inte...rl-set
windows10-2004-x64
1Nezur_Inte...rprint
windows7-x64
3Nezur_Inte...rprint
windows10-2004-x64
3Nezur_Inte...t.json
windows7-x64
3Nezur_Inte...t.json
windows10-2004-x64
3Nezur_Inte...gs.dat
windows7-x64
3Nezur_Inte...gs.dat
windows10-2004-x64
3Nezur_Inte...re.dat
windows7-x64
3Nezur_Inte...re.dat
windows10-2004-x64
3Nezur_Inte...data_0
windows7-x64
1Nezur_Inte...data_0
windows10-2004-x64
1Analysis
-
max time kernel
103s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 14:42
Behavioral task
behavioral1
Sample
Nezur_Executor.zip
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Nezur_Executor.zip
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Microsoft.Web.WebView2.Core.xml
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
Microsoft.Web.WebView2.Core.xml
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
Microsoft.Web.WebView2.WinForms.xml
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Microsoft.Web.WebView2.WinForms.xml
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
Microsoft.Web.WebView2.Wpf.xml
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
Microsoft.Web.WebView2.Wpf.xml
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Nezur_Interface.deps.json
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Nezur_Interface.deps.json
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.fingerprint
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.fingerprint
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.json
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/manifest.json
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/protocols.json
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/protocols.json
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics-spare.pma
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics-spare.pma
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics/BrowserMetrics-6758B082-4D3C.pma
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
Nezur_Interface.exe.WebView2/EBWebView/BrowserMetrics/BrowserMetrics-6758B082-4D3C.pma
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/crl-set
Resource
win7-20240903-en
Behavioral task
behavioral22
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/crl-set
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.fingerprint
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.fingerprint
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.json
Resource
win7-20241010-en
Behavioral task
behavioral26
Sample
Nezur_Interface.exe.WebView2/EBWebView/CertificateRevocation/6498.2024.12.2/manifest.json
Resource
win10v2004-20241007-en
Behavioral task
behavioral27
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/settings.dat
Resource
win7-20241010-en
Behavioral task
behavioral28
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/settings.dat
Resource
win10v2004-20241007-en
Behavioral task
behavioral29
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/throttle_store.dat
Resource
win7-20241023-en
Behavioral task
behavioral30
Sample
Nezur_Interface.exe.WebView2/EBWebView/Crashpad/throttle_store.dat
Resource
win10v2004-20241007-en
Behavioral task
behavioral31
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_0
Resource
win7-20241010-en
Behavioral task
behavioral32
Sample
Nezur_Interface.exe.WebView2/EBWebView/Default/Cache/Cache_Data/data_0
Resource
win10v2004-20241007-en
General
-
Target
Nezur_Interface.exe.WebView2/EBWebView/AutoLaunchProtocolsComponent/1.0.0.8/protocols.json
-
Size
3KB
-
MD5
6bbb18bb210b0af189f5d76a65f7ad80
-
SHA1
87b804075e78af64293611a637504273fadfe718
-
SHA256
01594d510a1bbc016897ec89402553eca423dfdc8b82bafbc5653bf0c976f57c
-
SHA512
4788edcfa3911c3bb2be8fc447166c330e8ac389f74e8c44e13238ead2fa45c8538aee325bd0d1cc40d91ad47dea1aa94a92148a62983144fdecff2130ee120d
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 AcroRd32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2060 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2060 AcroRd32.exe 2060 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1656 wrote to memory of 2936 1656 cmd.exe 30 PID 1656 wrote to memory of 2936 1656 cmd.exe 30 PID 1656 wrote to memory of 2936 1656 cmd.exe 30 PID 2936 wrote to memory of 2060 2936 rundll32.exe 31 PID 2936 wrote to memory of 2060 2936 rundll32.exe 31 PID 2936 wrote to memory of 2060 2936 rundll32.exe 31 PID 2936 wrote to memory of 2060 2936 rundll32.exe 31
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\AutoLaunchProtocolsComponent\1.0.0.8\protocols.json1⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\AutoLaunchProtocolsComponent\1.0.0.8\protocols.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Nezur_Interface.exe.WebView2\EBWebView\AutoLaunchProtocolsComponent\1.0.0.8\protocols.json"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2060
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD55b2c03c8d6b59ad4b8c6be8d5e102505
SHA159f1b4ea88c75596b1aa2991657d77f7e5a1a666
SHA2568deee63b707f62fea1d6ecfc2a2f6f14aae74245f4703f2538f6ffcd396c3ae7
SHA51216da18c80596afe85eb47ed9111ec1a68b4d6ed9bc0457b6ccd3860b957770cb53bb707f5ed94e92ca19d6922c0869f07d94b4a255783b556eda3515507e0bdc