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General
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Target
2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock
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Size
287KB
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Sample
241020-zgmxdsygla
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MD5
f9d35b1c9b54051d612cfbd348a721bb
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SHA1
8cca46748d5c40dde8f8544b7ffe1911dd1b6d04
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SHA256
ba04809010e2f1122e7543dbe3356b5a2d6acec2a7e2df45aa307f2547a66bc1
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SHA512
83a49e5cc13e094db5f972efc34e2a9b7430e09f479c5942f104d2007def810a072a9eaab24e3004407b1e2b0d3c7f70ab5d8b1fa3f7ce7c7b62e1bfce0aa6ce
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SSDEEP
6144:kEOLo2CsumIONCLzeuzIf2NiEaXLvKh0JK:kEZ2TumIfXeuzW2NFqK
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock
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Size
287KB
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MD5
f9d35b1c9b54051d612cfbd348a721bb
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SHA1
8cca46748d5c40dde8f8544b7ffe1911dd1b6d04
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SHA256
ba04809010e2f1122e7543dbe3356b5a2d6acec2a7e2df45aa307f2547a66bc1
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SHA512
83a49e5cc13e094db5f972efc34e2a9b7430e09f479c5942f104d2007def810a072a9eaab24e3004407b1e2b0d3c7f70ab5d8b1fa3f7ce7c7b62e1bfce0aa6ce
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SSDEEP
6144:kEOLo2CsumIONCLzeuzIf2NiEaXLvKh0JK:kEZ2TumIfXeuzW2NFqK
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Modifies visibility of file extensions in Explorer
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Renames multiple (54) 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