General
- Target CatGatekeeper_x64.7z
- Size 117.3MB
- Sample260502-tr3spsf18j
- SHA256 537c58eac95934e793a1aeac46b8ea7435dabd5a3af312d426e24789064cfce2
- MD5 d220e3147e7188755f8a9792b82b2b9a
- SHA1 2425604d457e257dfac49461ce5132e53627e406
- SHA512 069c1b04277b2ba6873b8194678c9d08416e1a0c75c1b1e1e0702ae37b8e2834be4b9362446089e9a44b9371e00e6440e908d3bce5252dec6e95546ee892eed2
- SSDEEP 3145728:xJPycomiGiBCjmd/1LgiMBEUJztqeRXB1uyyl910:xNiGiBl/18DWUBM21Ny72
- TLSH T1084833929080E3225C5FF92A98A3D2A97D9630FE443EC3377457D65680BDFE19B36342
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
CatGatekeeper_x64.exe
Resource
win11-20260130-en
Malware Config
Targets
-
- Target CatGatekeeper_x64.exe
- Size 128.1MB
- SHA256 8fc8ae7284f5baf76367737930cf4b6584429f49a6b8b6f87c4f5550ce925d51
- MD5 86c7f2a3c307928daaca7c1df3ea5d72
- SHA1 9b4a7c860be8d7b6285eadb1dce0ae3d33321fa1
- SHA512 8b900b88a77314f1c0cafa3cd2d7641694e9312b6ffc3dfd27e64d971de1abac55225ec5e4e28471957256cc5bf21e37386e6df48b4d82647bec193f36e699a3
- SSDEEP 1572864:Nf/qxhps4S35tNDBGCj8qeulLcd0crL1pwR7Jk1+3XGKXKdw+EyIUeSLAsRFFh26:Yxh+V0ere280tXmKywByIY3RFF6+FW
- TLSH T16F582301BA5A9524D05EC87492434B934F2170EB063BE4FF91D945283FABBF49B3E35A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Vidar Stealer
-
Modifies WinLogon for persistence
-
Modifies Windows Firewall
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Executes dropped EXE
-
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.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Checks system information in the registry
System information is often read in order to detect sandboxing environments.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1