General
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Target
2025-05-30_548a5305bf89b6cf7d4a80eaa2281944_elex_virlock
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Size
230KB
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Sample
250530-bz8d2scq2v
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MD5
548a5305bf89b6cf7d4a80eaa2281944
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SHA1
04c8a3f78b60cea14b1f735107d83d6ab018fd62
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SHA256
43d1294549b0ae0a831842aaa908fcea806f169a2ffda7da2b866c6741ffd85b
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SHA512
b10266ef790c5be642962ae15d92ab24bfa71eba6f3fd277d4894071b66f313e2f9dd65dcb08b3c543a04c7c23e359562d4baf0c1701053aea1fb0d04a907373
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SSDEEP
6144:CbA4m8dEQ5eNtC17AfwznKeRfbDwOmTUqj1HZrzU9edP0fGUD:YEWeciwz1fbcOmTUqj1HZZdP4GU
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-30_548a5305bf89b6cf7d4a80eaa2281944_elex_virlock.exe
Resource
win10v2004-20250502-en
Malware Config
Targets
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Target
2025-05-30_548a5305bf89b6cf7d4a80eaa2281944_elex_virlock
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Size
230KB
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MD5
548a5305bf89b6cf7d4a80eaa2281944
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SHA1
04c8a3f78b60cea14b1f735107d83d6ab018fd62
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SHA256
43d1294549b0ae0a831842aaa908fcea806f169a2ffda7da2b866c6741ffd85b
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SHA512
b10266ef790c5be642962ae15d92ab24bfa71eba6f3fd277d4894071b66f313e2f9dd65dcb08b3c543a04c7c23e359562d4baf0c1701053aea1fb0d04a907373
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SSDEEP
6144:CbA4m8dEQ5eNtC17AfwznKeRfbDwOmTUqj1HZrzU9edP0fGUD:YEWeciwz1fbcOmTUqj1HZZdP4GU
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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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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Adds Run key to start application
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MITRE ATT&CK Enterprise v16
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