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General
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Target
2024-02-17_05ce95edcbcab9d773fa44936d9126ce_virlock
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Size
449KB
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Sample
240217-g438saca8y
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MD5
05ce95edcbcab9d773fa44936d9126ce
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SHA1
891ce94ae7cc97e85b13de90fefe1ad39c60a44c
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SHA256
ca87ecf0bd44c26eb7ea277b83ce44b6242ac04e8139d64f71db20104f4f3fe3
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SHA512
0107f3eb50fbfd04f2c123d6a406e196d12cc4a7df60f102de09f5e42d734ff7ec9ddab1238517eb2afd13ca4d44781b391bc53a258eb5d84074f40529bc02de
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SSDEEP
6144:uzF6vMNTma7enz6wpsgFn3NnMjgSkbh+U0S7pE3DU4GCkU8ohvN9JA2qsTHt:uzFqMNTGeoZWgSkN+9bzvT
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-17_05ce95edcbcab9d773fa44936d9126ce_virlock.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_05ce95edcbcab9d773fa44936d9126ce_virlock.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
2024-02-17_05ce95edcbcab9d773fa44936d9126ce_virlock
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Size
449KB
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MD5
05ce95edcbcab9d773fa44936d9126ce
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SHA1
891ce94ae7cc97e85b13de90fefe1ad39c60a44c
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SHA256
ca87ecf0bd44c26eb7ea277b83ce44b6242ac04e8139d64f71db20104f4f3fe3
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SHA512
0107f3eb50fbfd04f2c123d6a406e196d12cc4a7df60f102de09f5e42d734ff7ec9ddab1238517eb2afd13ca4d44781b391bc53a258eb5d84074f40529bc02de
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SSDEEP
6144:uzF6vMNTma7enz6wpsgFn3NnMjgSkbh+U0S7pE3DU4GCkU8ohvN9JA2qsTHt:uzFqMNTGeoZWgSkN+9bzvT
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (77) 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