General
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Target
2025-07-04_edde6145658f9a47238a9cddd7ac0639_elex_virlock
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Size
767KB
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Sample
250704-vqv7xabp2y
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MD5
edde6145658f9a47238a9cddd7ac0639
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SHA1
310ee8c7524c9e3bfa7b7bcf202c6b18f11eb409
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SHA256
85448bb378f0653d115d75b937391108049a95753a1970defb4ef048d5a87054
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SHA512
b33e47af07b3f885c6980bb5fc358cb9da782576de2f05ed078cad6befaa9ef09bd1a5085769df582699b09a550152d77765bf1462bd9d34720b6ed57cd1bf7e
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SSDEEP
3072:MpyQo0XKNnr8tDEBugxxdxp4q4yy1uFBcFDfi64ue4w3Z5eqkZ3:Mpza5r81GDO3yy1DFDfv4ue4wve3Z3
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-04_edde6145658f9a47238a9cddd7ac0639_elex_virlock.exe
Resource
win10v2004-20250610-en
Malware Config
Targets
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Target
2025-07-04_edde6145658f9a47238a9cddd7ac0639_elex_virlock
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Size
767KB
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MD5
edde6145658f9a47238a9cddd7ac0639
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SHA1
310ee8c7524c9e3bfa7b7bcf202c6b18f11eb409
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SHA256
85448bb378f0653d115d75b937391108049a95753a1970defb4ef048d5a87054
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SHA512
b33e47af07b3f885c6980bb5fc358cb9da782576de2f05ed078cad6befaa9ef09bd1a5085769df582699b09a550152d77765bf1462bd9d34720b6ed57cd1bf7e
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SSDEEP
3072:MpyQo0XKNnr8tDEBugxxdxp4q4yy1uFBcFDfi64ue4w3Z5eqkZ3:Mpza5r81GDO3yy1DFDfv4ue4wve3Z3
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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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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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Drops file in System32 directory
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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