General
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Target
https://roblox.com
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Sample
241101-pvwrcaslcl
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://roblox.com
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
https://roblox.com
Resource
win10ltsc2021-20241023-en
Malware Config
Extracted
revengerat
Guest
0.tcp.ngrok.io:19521
RV_MUTEX
Targets
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Target
https://roblox.com
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Darkcomet family
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Modifies WinLogon for persistence
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Revengerat family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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RevengeRat Executable
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Downloads MZ/PE file
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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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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Hide Artifacts
2Hidden Files and Directories
2Indicator Removal
2File Deletion
2Modify Registry
2