General
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Target
http://net.geslo.com.ar
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Sample
250123-j2pzgsskeq
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://net.geslo.com.ar
Resource
win10v2004-20241007-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Extracted
revengerat
Guest
0.tcp.ngrok.io:19521
RV_MUTEX
Extracted
warzonerat
168.61.222.215:5400
Targets
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Target
http://net.geslo.com.ar
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CrimsonRAT main payload
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Crimsonrat family
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Darkcomet family
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Modifies WinLogon for persistence
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Njrat family
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Revengerat family
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WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
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Warzonerat family
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RevengeRat Executable
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Warzone RAT payload
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Uses the VBS compiler for execution
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
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
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3