General
- Target https://chomikuj.pl/action/redirect?url=https%3A%2F%2Ftinyurl.com%2Fyckumn8z&token=26384e27c6a72ff6ba2f3352ec900003fbf00f46
- Sample260511-xv1pascv7q
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://chomikuj.pl/action/redirect?url=https%3A%2F%2Ftinyurl.com%2Fyckumn8z&token=26384e27c6a72ff6ba2f3352ec900003fbf00f46
Resource
win10ltsc2021-20260130-en
Malware Config
Targets
-
- Target https://chomikuj.pl/action/redirect?url=https%3A%2F%2Ftinyurl.com%2Fyckumn8z&token=26384e27c6a72ff6ba2f3352ec900003fbf00f46
Detects KillMBR
Downloads MZ/PE file
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1