General
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Target
2024-11-06_910cd280fcec9516f5c33da23ccdf143_virlock
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Size
138KB
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Sample
241106-c3s9zawkam
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MD5
910cd280fcec9516f5c33da23ccdf143
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SHA1
16bed4624f98883028b95e2a3a75371621755505
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SHA256
259d6e7fd73e20fe1e178a6c3adbabf2a64361336a5849c9a5cacb89dd025c4f
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SHA512
68ba1e2a4fc99843e9dca08aec1e13bce3137c32e83a2fc2a6637a57fff82b57614a8941c3dfb9ef92c0df7c5dfd6ff48445575bb4739112aad880a915313aa4
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SSDEEP
1536:yCuG+GTPOi6BqsOTM9caPmv/pjrPGhuDg8s3x9vKAH7SFhGgQtJaNZvkVPLk6VSI:nhYIaajrovKAH7uhoJaDvMLfS+1X
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-06_910cd280fcec9516f5c33da23ccdf143_virlock.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-06_910cd280fcec9516f5c33da23ccdf143_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-06_910cd280fcec9516f5c33da23ccdf143_virlock
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Size
138KB
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MD5
910cd280fcec9516f5c33da23ccdf143
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SHA1
16bed4624f98883028b95e2a3a75371621755505
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SHA256
259d6e7fd73e20fe1e178a6c3adbabf2a64361336a5849c9a5cacb89dd025c4f
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SHA512
68ba1e2a4fc99843e9dca08aec1e13bce3137c32e83a2fc2a6637a57fff82b57614a8941c3dfb9ef92c0df7c5dfd6ff48445575bb4739112aad880a915313aa4
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SSDEEP
1536:yCuG+GTPOi6BqsOTM9caPmv/pjrPGhuDg8s3x9vKAH7SFhGgQtJaNZvkVPLk6VSI:nhYIaajrovKAH7uhoJaDvMLfS+1X
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Modifies visibility of file extensions in Explorer
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Renames multiple (76) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege 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
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1