General
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Target
2024092083531f5d7960cfbe4fa2add4f07c705bvirlock
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Size
564KB
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Sample
240920-qwk7nszanm
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MD5
83531f5d7960cfbe4fa2add4f07c705b
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SHA1
1329622e8c7cad14ac14ac01e30e5572f6288ace
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SHA256
05d1564ff5f3869b5eaf8ee5b240bbe0ae139b5db42fb5f41026acd0bd6e9d3b
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SHA512
cfaa62283932481b45482ca330881276568268ad95554c28e00820d07b548a5e9141b53fd92662a6bd4baecf9b46b175a445d52cf027afa4b185f850afd43113
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SSDEEP
12288:vpc2txf8sKyztmVtnSjrDcWexakQb1QnN2wFMy9uo8oWF9eVfNZD61m/bbwlU1Lj:R3txxKyz0VBSjfDrZ/MYF9eVfNZD61mf
Static task
static1
Behavioral task
behavioral1
Sample
2024092083531f5d7960cfbe4fa2add4f07c705bvirlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024092083531f5d7960cfbe4fa2add4f07c705bvirlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024092083531f5d7960cfbe4fa2add4f07c705bvirlock
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Size
564KB
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MD5
83531f5d7960cfbe4fa2add4f07c705b
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SHA1
1329622e8c7cad14ac14ac01e30e5572f6288ace
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SHA256
05d1564ff5f3869b5eaf8ee5b240bbe0ae139b5db42fb5f41026acd0bd6e9d3b
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SHA512
cfaa62283932481b45482ca330881276568268ad95554c28e00820d07b548a5e9141b53fd92662a6bd4baecf9b46b175a445d52cf027afa4b185f850afd43113
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SSDEEP
12288:vpc2txf8sKyztmVtnSjrDcWexakQb1QnN2wFMy9uo8oWF9eVfNZD61m/bbwlU1Lj:R3txxKyz0VBSjfDrZ/MYF9eVfNZD61mf
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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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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
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