General
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Target
2024-10-19_42de2729a8457deb93859902fccecf16_virlock
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Size
662KB
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Sample
241019-2n3mjawaml
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MD5
42de2729a8457deb93859902fccecf16
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SHA1
3ee4cb7c3b16b1cb53822d0a0261e1cbe5bdcc3e
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SHA256
d877d424e6836255f8c4ad38414f94e74de49d270f0c6d6dd49b4f0e3a0aff0d
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SHA512
1e69d430498386b71725d8de6007e792762823398cde96b8c4b5ea378b5d818ff478ad6b6bfff8dee1631e3c48fcd9d6abd025d21b9f54f5c8cd67ea087d550a
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SSDEEP
12288:kyCBjIpp9pHtIajwR0jquCC8XNZ7ituJvF/vviAa6If1qAoVKi5nnwHcm0Y/RVnN:nCBjIpp9pHaajw0quCCSVZF/vtHIdeKN
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-19_42de2729a8457deb93859902fccecf16_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-19_42de2729a8457deb93859902fccecf16_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-19_42de2729a8457deb93859902fccecf16_virlock
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Size
662KB
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MD5
42de2729a8457deb93859902fccecf16
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SHA1
3ee4cb7c3b16b1cb53822d0a0261e1cbe5bdcc3e
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SHA256
d877d424e6836255f8c4ad38414f94e74de49d270f0c6d6dd49b4f0e3a0aff0d
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SHA512
1e69d430498386b71725d8de6007e792762823398cde96b8c4b5ea378b5d818ff478ad6b6bfff8dee1631e3c48fcd9d6abd025d21b9f54f5c8cd67ea087d550a
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SSDEEP
12288:kyCBjIpp9pHtIajwR0jquCC8XNZ7ituJvF/vviAa6If1qAoVKi5nnwHcm0Y/RVnN:nCBjIpp9pHaajw0quCCSVZF/vtHIdeKN
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Modifies visibility of file extensions in Explorer
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Renames multiple (84) 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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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