General
- Target go821.com_hyber.exe
- Size 49KB
- Sample260928-pfevaatarc
- SHA256 dd60ac602b7056739b6aecdc0e2e9b43bacc0f26610fbc323b0ba905e7a40476
- MD5 9e3153c9d8f4eb55fea1cf1ab01fa5a3
- SHA1 5b833f358bdf15bae91e9584573947d51c70cce2
- SHA512 deb542ca366004edcf499748bcb3eb24916c3595dadcb3e77f09d0693e3f50736b950dbc11d17699e1bd6aa8a9a49f5195fe192f0bb7917dcd5ad02b46a7b759
- SSDEEP 768:orVZZ6zs0htCDX291DUYVqQ/NKPzfX/fjt43:OZ6HhADX291o/QGP/fjt43
- TLSH T13033F64837FD4526D1BF9ABE89F251118331F4639C23DB4E1AD8459E19F37008DA8B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
go821.com_hyber.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
go821.com_hyber.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target go821.com_hyber.exe
- Size 49KB
- SHA256 dd60ac602b7056739b6aecdc0e2e9b43bacc0f26610fbc323b0ba905e7a40476
- MD5 9e3153c9d8f4eb55fea1cf1ab01fa5a3
- SHA1 5b833f358bdf15bae91e9584573947d51c70cce2
- SHA512 deb542ca366004edcf499748bcb3eb24916c3595dadcb3e77f09d0693e3f50736b950dbc11d17699e1bd6aa8a9a49f5195fe192f0bb7917dcd5ad02b46a7b759
- SSDEEP 768:orVZZ6zs0htCDX291DUYVqQ/NKPzfX/fjt43:OZ6HhADX291o/QGP/fjt43
- TLSH T13033F64837FD4526D1BF9ABE89F251118331F4639C23DB4E1AD8459E19F37008DA8B6B
- 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.
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Disables RegEdit via registry modification
-
Disables Task Manager via registry modification
-
Drops file in Drivers directory
-
Modifies Windows Firewall
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Disables service(s)
-
Stops running service(s)
-
Adds Run key to start application
-
Drops desktop.ini file(s)
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
-
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
4PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1