General
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Target
2024-11-15_0d93486d5832871f3ab1143f3d0c9f7a_virlock
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Size
564KB
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Sample
241115-c9m2ja1mcr
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MD5
0d93486d5832871f3ab1143f3d0c9f7a
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SHA1
96d5466d74662b93893faab5a627004458ec661a
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SHA256
c270f27a16389c85b885f2c1bb8424129827aae6e991ff38748f8843ae704230
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SHA512
07eceec3330ce324061e5b780ba7b767d32fdfaba4827a12a7246583d78f2c1b5ed2de87027a3f17933abc1607b30bfe43b938ed09b6430659ecda4480e51caf
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SSDEEP
12288:veB2WZrTuf8wSyauDZdrcNneQLbbnmDDTgf1GXl/PLFRQoSvDXWrtkoGiPLlD5/8:v/WZrTufmyauDZFcXZ7XWrtFLSqzYLYg
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-15_0d93486d5832871f3ab1143f3d0c9f7a_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-15_0d93486d5832871f3ab1143f3d0c9f7a_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-15_0d93486d5832871f3ab1143f3d0c9f7a_virlock
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Size
564KB
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MD5
0d93486d5832871f3ab1143f3d0c9f7a
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SHA1
96d5466d74662b93893faab5a627004458ec661a
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SHA256
c270f27a16389c85b885f2c1bb8424129827aae6e991ff38748f8843ae704230
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SHA512
07eceec3330ce324061e5b780ba7b767d32fdfaba4827a12a7246583d78f2c1b5ed2de87027a3f17933abc1607b30bfe43b938ed09b6430659ecda4480e51caf
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SSDEEP
12288:veB2WZrTuf8wSyauDZdrcNneQLbbnmDDTgf1GXl/PLFRQoSvDXWrtkoGiPLlD5/8:v/WZrTufmyauDZFcXZ7XWrtFLSqzYLYg
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Modifies visibility of file extensions in Explorer
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Renames multiple (88) 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
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1