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General
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Target
2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock
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Size
2.6MB
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Sample
240512-qn9kasbe84
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MD5
2745d7b6dcb778db86b68f8831ba3c17
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SHA1
0e2b3bdd736f98cdb034ff5f04e0f9d216272a03
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SHA256
ce6f725d13235732e2518fa33333820de530c981514595db68d7b21de438a850
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SHA512
2460446cdbd2241e2a210f51f0427309936d5f56ff1c51a7f55e70d1b54a31d33de9c8ea468cd6855efadd9e6bf98450f2e4724fc498337e32db83a825b270fe
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SSDEEP
49152:/pMuAkLT1U3FHJQtPOEXDc1hUtQa09blw6Lu:SkL5uFpKH41atyM6
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock
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Size
2.6MB
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MD5
2745d7b6dcb778db86b68f8831ba3c17
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SHA1
0e2b3bdd736f98cdb034ff5f04e0f9d216272a03
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SHA256
ce6f725d13235732e2518fa33333820de530c981514595db68d7b21de438a850
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SHA512
2460446cdbd2241e2a210f51f0427309936d5f56ff1c51a7f55e70d1b54a31d33de9c8ea468cd6855efadd9e6bf98450f2e4724fc498337e32db83a825b270fe
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SSDEEP
49152:/pMuAkLT1U3FHJQtPOEXDc1hUtQa09blw6Lu:SkL5uFpKH41atyM6
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (65) 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