General
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Target
Copy of Covalent Bonding Notes.pdf
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Size
1.5MB
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Sample
241209-2xrxdsvjdw
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MD5
3e1c01222eb8c573627fe361730c5592
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SHA1
3d9fe91492c454cc8430376565d74f3d3759adde
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SHA256
849759852e4ccad9a51f693baa8471bc9d91d2b212f0f6ed0792835ee9bb88fb
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SHA512
a779651912d0d8cade124b6984d912e7d266603effc870d034db786edf134ed4cec1f780f8f081e72271a17b58212d25e47c261860531c45e7273f4335535dc5
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SSDEEP
24576:qcZIRP3FS/2I6Nwp6TW5Ns6TT3uOU7SK7J/AGvZGllpwjO35jFbNGG6:p0S/2I6WNV5U7SK7J46INFgr
Static task
static1
Behavioral task
behavioral1
Sample
Copy of Covalent Bonding Notes.pdf
Resource
win10ltsc2021-20241023-en
Malware Config
Targets
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Target
Copy of Covalent Bonding Notes.pdf
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Size
1.5MB
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MD5
3e1c01222eb8c573627fe361730c5592
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SHA1
3d9fe91492c454cc8430376565d74f3d3759adde
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SHA256
849759852e4ccad9a51f693baa8471bc9d91d2b212f0f6ed0792835ee9bb88fb
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SHA512
a779651912d0d8cade124b6984d912e7d266603effc870d034db786edf134ed4cec1f780f8f081e72271a17b58212d25e47c261860531c45e7273f4335535dc5
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SSDEEP
24576:qcZIRP3FS/2I6Nwp6TW5Ns6TT3uOU7SK7J/AGvZGllpwjO35jFbNGG6:p0S/2I6WNV5U7SK7J46INFgr
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies RDP port number used by Windows
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Sets service image path in registry
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A potential corporate email address has been identified in the URL: =@L
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Executes dropped EXE
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Impair Defenses: Safe Mode Boot
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Loads dropped DLL
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Impair Defenses
1Safe Mode Boot
1Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1