General
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Target
20240824a12fdb18d3868a6b3c58d2fdd11bc5cevirlock
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Size
195KB
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Sample
240824-m9z17sxbng
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MD5
a12fdb18d3868a6b3c58d2fdd11bc5ce
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SHA1
f3d90972b72c95b438a9ceb08717e63ffb4617d1
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SHA256
de0e001e8d17580cf7cc10b8b46abb574623077871384cbc3744bf02bfeb4bcc
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SHA512
eea56efcde21887c39fcf7efeb6146bbb8a65e190682eec3eb9098896780a85260ca0f9fd9bc220eccd2534838238dce8003acf95d3121ac2af8f44445facd37
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SSDEEP
3072:/y3uVDAnoRMxAxDR896OEUD/gqyfwkS2flMVlbBgyWvq7l2aDvu2TlQC81yXX8:/e3wK/T4bnflCgyeAl2aKK81cM
Static task
static1
Behavioral task
behavioral1
Sample
20240824a12fdb18d3868a6b3c58d2fdd11bc5cevirlock.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
20240824a12fdb18d3868a6b3c58d2fdd11bc5cevirlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
20240824a12fdb18d3868a6b3c58d2fdd11bc5cevirlock
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Size
195KB
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MD5
a12fdb18d3868a6b3c58d2fdd11bc5ce
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SHA1
f3d90972b72c95b438a9ceb08717e63ffb4617d1
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SHA256
de0e001e8d17580cf7cc10b8b46abb574623077871384cbc3744bf02bfeb4bcc
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SHA512
eea56efcde21887c39fcf7efeb6146bbb8a65e190682eec3eb9098896780a85260ca0f9fd9bc220eccd2534838238dce8003acf95d3121ac2af8f44445facd37
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SSDEEP
3072:/y3uVDAnoRMxAxDR896OEUD/gqyfwkS2flMVlbBgyWvq7l2aDvu2TlQC81yXX8:/e3wK/T4bnflCgyeAl2aKK81cM
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Modifies visibility of file extensions in Explorer
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Renames multiple (53) 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