General
- Target nexus.cc-release.exe
- Size 16.2MB
- Sample260916-pgzabazerd
- SHA256 6fa4c734f0dfe1e760b23cc43a79a8668a90b7226229998d8101f85c7c36b3e3
- MD5 bdea275317bad05342833ffbe6991816
- SHA1 0d2e638a3d82cf9f927ec71e4e4bfb77b20d4ca5
- SHA512 7cddaebc49426d14371374cb97171ec9dd117d0180d3622f8ad9ab28bdaa704652b98b70cad257380a049d5c11fa944d1e9970e1f7e87c0ee730d9f1d5d0f324
- SSDEEP 49152:1xn9du9BJAiiWGgt9IPXY32Z0PYriUTkqyDaDXVLh5PAzuKTW/UMXkRRJzS6i0s1:1x9
- TLSH T154073038B9D518BE7B6759EE87F63A9D5909F3BBB3065D7C20B2314A43039098CE4724
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
nexus.cc-release.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
nexus.cc-release.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target nexus.cc-release.exe
- Size 16.2MB
- SHA256 6fa4c734f0dfe1e760b23cc43a79a8668a90b7226229998d8101f85c7c36b3e3
- MD5 bdea275317bad05342833ffbe6991816
- SHA1 0d2e638a3d82cf9f927ec71e4e4bfb77b20d4ca5
- SHA512 7cddaebc49426d14371374cb97171ec9dd117d0180d3622f8ad9ab28bdaa704652b98b70cad257380a049d5c11fa944d1e9970e1f7e87c0ee730d9f1d5d0f324
- SSDEEP 49152:1xn9du9BJAiiWGgt9IPXY32Z0PYriUTkqyDaDXVLh5PAzuKTW/UMXkRRJzS6i0s1:1x9
- TLSH T154073038B9D518BE7B6759EE87F63A9D5909F3BBB3065D7C20B2314A43039098CE4724
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
-
Modifies WinLogon for persistence
-
Modifies Windows Defender Real-time Protection settings
-
UAC bypass
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Disables cmd.exe use via registry modification
-
Drops file in Drivers directory
-
Event Triggered Execution: Image File Execution Options Injection
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Stops running service(s)
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Indicator Removal: Clear Persistence
Clear artifacts associated with previously established persistence like scheduletasks on a host.
-
Drops file in System32 directory
-
Executes a VBScript file via the Windows Script Host.
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify Tools
3Indicator Removal
1Clear Persistence
1Modify Registry
9