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General
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Target
2024-10-16_8407fc3b6183cec64939631e05806d11_virlock
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Size
200KB
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Sample
241016-g7sw8axard
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MD5
8407fc3b6183cec64939631e05806d11
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SHA1
5f347b2d6b3b4ba8a5c06a98897e58e67152a54a
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SHA256
19c60c87f1c3e44b76b8e4230a970f8376727f992834368a3cd152d109e90c20
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SHA512
b8512ec93db92fd7696a5721f448be2a9446862ecb19281759ac78f524de5e1972f18a6ee4442a1635e2b3dc3be4bfc80e50672e6910edcb4be39f22fcd2093b
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SSDEEP
3072:/er5BVRiWes1Z7wwK0heFa4kclsl5e1DLmF9I0LNtJV:/eXiuMwK0heUcel5ADLa9Ig
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-16_8407fc3b6183cec64939631e05806d11_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-16_8407fc3b6183cec64939631e05806d11_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-16_8407fc3b6183cec64939631e05806d11_virlock
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Size
200KB
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MD5
8407fc3b6183cec64939631e05806d11
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SHA1
5f347b2d6b3b4ba8a5c06a98897e58e67152a54a
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SHA256
19c60c87f1c3e44b76b8e4230a970f8376727f992834368a3cd152d109e90c20
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SHA512
b8512ec93db92fd7696a5721f448be2a9446862ecb19281759ac78f524de5e1972f18a6ee4442a1635e2b3dc3be4bfc80e50672e6910edcb4be39f22fcd2093b
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SSDEEP
3072:/er5BVRiWes1Z7wwK0heFa4kclsl5e1DLmF9I0LNtJV:/eXiuMwK0heUcel5ADLa9Ig
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Modifies visibility of file extensions in Explorer
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Renames multiple (56) 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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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