General
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Target
2025-01-19_ffcf249e4350566277bfa3e90f030bf3_virlock
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Size
585KB
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Sample
250119-mvwegatqft
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MD5
ffcf249e4350566277bfa3e90f030bf3
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SHA1
1f78a99bf84b9073399dcb0584db6f92c5170e13
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SHA256
599753f19721e2dda86a9507ee456feccb8db3497377625e4e7c77d10e414907
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SHA512
3691d30fa655ac08644aeb506653cd73fd5d3b9539d7344c10040cc73977dd6b72868bf8122107423fa1fd0c3e41d13710f0f65bca3eed93904a104f8f7287f0
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SSDEEP
12288:KFMcpP25BGjZ4oJQF0oYPGluhdl4X7/IxsAPB+S8TbJMcr:aNXZ4oJCDl1zIxsAPBy9
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-19_ffcf249e4350566277bfa3e90f030bf3_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-01-19_ffcf249e4350566277bfa3e90f030bf3_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2025-01-19_ffcf249e4350566277bfa3e90f030bf3_virlock
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Size
585KB
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MD5
ffcf249e4350566277bfa3e90f030bf3
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SHA1
1f78a99bf84b9073399dcb0584db6f92c5170e13
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SHA256
599753f19721e2dda86a9507ee456feccb8db3497377625e4e7c77d10e414907
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SHA512
3691d30fa655ac08644aeb506653cd73fd5d3b9539d7344c10040cc73977dd6b72868bf8122107423fa1fd0c3e41d13710f0f65bca3eed93904a104f8f7287f0
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SSDEEP
12288:KFMcpP25BGjZ4oJQF0oYPGluhdl4X7/IxsAPB+S8TbJMcr:aNXZ4oJCDl1zIxsAPBy9
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Modifies visibility of file extensions in Explorer
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Renames multiple (60) 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