General
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Target
http://www.tekdefense.com/downloads/malware-samples/
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Sample
250409-v42lvaxyfy
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.tekdefense.com/downloads/malware-samples/
Resource
win10v2004-20250314-en
Malware Config
Targets
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Target
http://www.tekdefense.com/downloads/malware-samples/
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Badrabbit family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Downloads MZ/PE file
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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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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Enterprise v16
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
2File Deletion
2Pre-OS Boot
1Bootkit
1