General
- Target https://www.tunnelbear.com/download
- Sample260522-c8bbcacx8p
Malware Config
Targets
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- Target https://www.tunnelbear.com/download
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.
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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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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 desktop.ini file(s)
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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
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
4Subvert Trust Controls
4Install Root Certificate
2SIP and Trust Provider Hijacking
2