General
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Target
2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock
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Size
206KB
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Sample
240809-ld6nfaygjp
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MD5
05d20461f13f59e0d898e1d34e023f5c
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SHA1
6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb
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SHA256
974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102
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SHA512
d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f
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SSDEEP
3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-08-09_05d20461f13f59e0d898e1d34e023f5c_virlock
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Size
206KB
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MD5
05d20461f13f59e0d898e1d34e023f5c
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SHA1
6ebb248de86aca8ede20ff0e7811ca0e4d50a2fb
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SHA256
974c10091ad320289f4bed8895fa0d2646e5fd0f2dbce3c1adc4f1f14f1b0102
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SHA512
d82627e6092d949737adddf1538c1608cde6e80f97ae09797490124676555edc81db50eb23126573cef2620783a2c0cd6418834520adc53ead871bc27759cc8f
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SSDEEP
3072:lSLjO5gXGxvV8znamLjtBfrDMtCpwDpiB3gNiQIhk/IuPoOa/MXYrUGOs5K617:lSLS2G+tTfr4U3gRIGgn/MXdNs7
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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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Deletes itself
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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
4