General
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Target
lock5.rar
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Size
169KB
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Sample
241114-knxmvazmen
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MD5
33dadfc68664b4047601444e1ab413e1
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SHA1
f719136098052f4e3acefa99c8c55ee1199e027a
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SHA256
d9a3697fa898a224f3111f86a1c2d3f37cf3bfd555c5a7e8900c7dda6f1f7d9b
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SHA512
32e40aada322d8b19b76f865e27b3be5b4b85a6366af815ce205a83452096cf6da810217903464611108b0cdf84d63cd1dff4a93fd6af25fcd3b02a95b1cd321
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SSDEEP
3072:3/yVUCxL8G9MPoWYw8wpO+anIAcpQ0BbsbQeNyXH5+5:3KpRxyAtw/AgNBb2QWKu
Static task
static1
Behavioral task
behavioral1
Sample
lock5.rar
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
lock5.rar
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
lock5.rar
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Size
169KB
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MD5
33dadfc68664b4047601444e1ab413e1
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SHA1
f719136098052f4e3acefa99c8c55ee1199e027a
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SHA256
d9a3697fa898a224f3111f86a1c2d3f37cf3bfd555c5a7e8900c7dda6f1f7d9b
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SHA512
32e40aada322d8b19b76f865e27b3be5b4b85a6366af815ce205a83452096cf6da810217903464611108b0cdf84d63cd1dff4a93fd6af25fcd3b02a95b1cd321
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SSDEEP
3072:3/yVUCxL8G9MPoWYw8wpO+anIAcpQ0BbsbQeNyXH5+5:3KpRxyAtw/AgNBb2QWKu
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (228) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1