General
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Target
http://www.youtube.com
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Sample
240526-285mmaff7t
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://www.youtube.com
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Users\Admin\Downloads\Ransomware.WannaCry\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
http://www.youtube.com
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables cmd.exe use via registry modification
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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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Loads dropped DLL
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Modifies file permissions
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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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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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Sets desktop wallpaper using registry
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Indicator Removal
1File Deletion
1File and Directory Permissions Modification
1Pre-OS Boot
1Bootkit
1Hide Artifacts
1Hidden Files and Directories
1