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General
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Target
2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock
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Size
262KB
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Sample
240915-g45fvazcmb
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MD5
06f86b3751be57a687683a0ef218e1d6
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SHA1
e681eb1e555aaca0b855038aea0acbb321dac0e2
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SHA256
764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9
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SHA512
dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42
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SSDEEP
6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock
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Size
262KB
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MD5
06f86b3751be57a687683a0ef218e1d6
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SHA1
e681eb1e555aaca0b855038aea0acbb321dac0e2
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SHA256
764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9
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SHA512
dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42
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SSDEEP
6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F
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Modifies visibility of file extensions in Explorer
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Renames multiple (84) 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
4