General
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Target
2025-07-01_47e23cbcc95ff894f1687b7d079e8bfb_elex_virlock
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Size
309KB
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Sample
250701-jzsmladq4w
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MD5
47e23cbcc95ff894f1687b7d079e8bfb
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SHA1
5d8747ed5e0b37114653d44bf2d6c48374474316
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SHA256
b096a22fbc6fd7a322fbee9f7adf1f1a5750b8959a484890a652bc64a756b50c
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SHA512
8bdeb83d139ded69176cfae188c0c25e4be34548ceb6414888570a9865c1d9dbfedde99a2885cfa8c1360179fa78b0ce78104598ee6f42118e9d26f6c3c1dae5
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SSDEEP
6144:0dWbQ5vu9tdA3hrbvX/+5WTsqJAXEYLWv67D2:p1tShrb//+YDe0YHD2
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-01_47e23cbcc95ff894f1687b7d079e8bfb_elex_virlock.exe
Resource
win10v2004-20250610-en
Malware Config
Targets
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Target
2025-07-01_47e23cbcc95ff894f1687b7d079e8bfb_elex_virlock
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Size
309KB
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MD5
47e23cbcc95ff894f1687b7d079e8bfb
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SHA1
5d8747ed5e0b37114653d44bf2d6c48374474316
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SHA256
b096a22fbc6fd7a322fbee9f7adf1f1a5750b8959a484890a652bc64a756b50c
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SHA512
8bdeb83d139ded69176cfae188c0c25e4be34548ceb6414888570a9865c1d9dbfedde99a2885cfa8c1360179fa78b0ce78104598ee6f42118e9d26f6c3c1dae5
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SSDEEP
6144:0dWbQ5vu9tdA3hrbvX/+5WTsqJAXEYLWv67D2:p1tShrb//+YDe0YHD2
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Modifies visibility of file extensions in Explorer
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UAC bypass
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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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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