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General
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Target
2024-10-25_14dd0fb573930f057425c8901d47ac51_virlock
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Size
746KB
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Sample
241025-y7wrjsthrb
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MD5
14dd0fb573930f057425c8901d47ac51
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SHA1
a70dab48ac5c714b05b05630a96a34c3539a06e0
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SHA256
bb75e6d3d9cab1dc21620c16ea756456653ca7aa2b74425863b16892563584dc
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SHA512
38a73dfae62babc9fcbbf768866ce605b837e4e8b1b4c86b24b571eef8d5eae26d748869a0aa25a34612fcdbf6725406a63719c8045966eec0c89abcd63e775e
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SSDEEP
12288:9bhjnHgIx9JNYi7A/+r2L7W3PJXqMwxI6YnJd9ZftnFq32UZTK8o:9BHge9JNYVe3P9n1JlftnFZkE
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-25_14dd0fb573930f057425c8901d47ac51_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-25_14dd0fb573930f057425c8901d47ac51_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-25_14dd0fb573930f057425c8901d47ac51_virlock
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Size
746KB
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MD5
14dd0fb573930f057425c8901d47ac51
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SHA1
a70dab48ac5c714b05b05630a96a34c3539a06e0
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SHA256
bb75e6d3d9cab1dc21620c16ea756456653ca7aa2b74425863b16892563584dc
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SHA512
38a73dfae62babc9fcbbf768866ce605b837e4e8b1b4c86b24b571eef8d5eae26d748869a0aa25a34612fcdbf6725406a63719c8045966eec0c89abcd63e775e
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SSDEEP
12288:9bhjnHgIx9JNYi7A/+r2L7W3PJXqMwxI6YnJd9ZftnFq32UZTK8o:9BHge9JNYVe3P9n1JlftnFZkE
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Modifies visibility of file extensions in Explorer
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Renames multiple (83) 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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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