General
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Target
2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock
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Size
724KB
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Sample
241106-e43adatpat
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MD5
5cdde24177858b86d8e3eb3704a541ff
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SHA1
eaa1358638387ff52a9f58d75269bf4db2700d1f
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SHA256
8e5da83c8f15f149b89ff4acec10afe3c88a8d9fe4737b2266f83e6d7ce0a21d
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SHA512
33936a58b6a4778d975ea4b359698b38aaf05f1bf2f7505bfa756207041a91ae59a864eda4b7e830957233133f3333cc527a990d7ec64f969a53056d03fd81c6
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SSDEEP
12288:YEfCoWYnPEaCrDAHK/l/XjgLJM1tOYBtG5Wowy74EPQu/W8Ymlgm4hzPMFTyQ1M6:ldcaGLN/TqM1tOYmHwypp1/lgmxFyCoE
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock
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Size
724KB
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MD5
5cdde24177858b86d8e3eb3704a541ff
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SHA1
eaa1358638387ff52a9f58d75269bf4db2700d1f
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SHA256
8e5da83c8f15f149b89ff4acec10afe3c88a8d9fe4737b2266f83e6d7ce0a21d
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SHA512
33936a58b6a4778d975ea4b359698b38aaf05f1bf2f7505bfa756207041a91ae59a864eda4b7e830957233133f3333cc527a990d7ec64f969a53056d03fd81c6
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SSDEEP
12288:YEfCoWYnPEaCrDAHK/l/XjgLJM1tOYBtG5Wowy74EPQu/W8Ymlgm4hzPMFTyQ1M6:ldcaGLN/TqM1tOYmHwypp1/lgmxFyCoE
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Modifies visibility of file extensions in Explorer
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Renames multiple (85) 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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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