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General
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Target
2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock
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Size
242KB
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Sample
240705-qwxkps1hne
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MD5
faf4a13294c9eb15a32a66ddff1cd0b8
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SHA1
18dc43f42d13880b13d8459c76a0bedee2b86a54
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SHA256
958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede
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SHA512
315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c
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SSDEEP
6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock.exe
Resource
win10v2004-20240704-en
Malware Config
Targets
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Target
2024-07-05_faf4a13294c9eb15a32a66ddff1cd0b8_virlock
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Size
242KB
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MD5
faf4a13294c9eb15a32a66ddff1cd0b8
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SHA1
18dc43f42d13880b13d8459c76a0bedee2b86a54
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SHA256
958a79dfb26cb0548fa6b48e66b6c826350733a331c77d885ddee2503e2a8ede
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SHA512
315f709f7c38ca0e723e7fc8ed0e0292f1262e020a682a9b7d01cd7ef3652259d963c94e8293faada8f2e086fe55c79388f41796e1e9d3f3003556401ae45a1c
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SSDEEP
6144:LjuolgBD6TtaqF73V3b9M5r8YWnWiZ8llW:3uoA6TtaqF7tbm5XWnTZCW
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (82) 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
1