General
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Target
PDF-523.msi
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Size
2.9MB
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Sample
250112-nc4tkasncl
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MD5
156ff43b54310c6f8eb4d1a7fda1a90f
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SHA1
1f00b3e593a63abb8dc0e6aec58fc41f40a0a977
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SHA256
9f38e1f504a6dfdbe946619e02696c34ec37e4ee9cb992281f05d8bb103246f3
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SHA512
bf57a64120e3d026b5112706a3e1e7c11718f1a9aca61a301334a917de41b1b979bdea29710ebea6b1b13aa300baf5972dd21d12e34daf99566657553cf0bd64
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SSDEEP
49152:C+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:C+lUlz9FKbsodq0YaH7ZPxMb8tT
Behavioral task
behavioral1
Sample
PDF-523.msi
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PDF-523.msi
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
PDF-523.msi
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Size
2.9MB
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MD5
156ff43b54310c6f8eb4d1a7fda1a90f
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SHA1
1f00b3e593a63abb8dc0e6aec58fc41f40a0a977
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SHA256
9f38e1f504a6dfdbe946619e02696c34ec37e4ee9cb992281f05d8bb103246f3
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SHA512
bf57a64120e3d026b5112706a3e1e7c11718f1a9aca61a301334a917de41b1b979bdea29710ebea6b1b13aa300baf5972dd21d12e34daf99566657553cf0bd64
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SSDEEP
49152:C+1Ypn4N2MGVv1zyIBWGppT9jnMHRjOOozjcqZJN8dUZTwYaH7oqPxMbY+K/tzQz:C+lUlz9FKbsodq0YaH7ZPxMb8tT
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Ateraagent family
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Detects AteraAgent
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Blocklisted process makes network request
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Drops file in Drivers directory
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Adds Run key to start application
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Downloads MZ/PE file
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Installer Packages
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
2Component Object Model Hijacking
1Installer Packages
1Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1System Binary Proxy Execution
1Msiexec
1