Backdoor.Oldrea
Techniques Used |
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Domain | ID | Name | Use | |
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Enterprise | T1087 | .003 | Account Discovery: Email Account |
Backdoor.Oldrea collects address book information from Outlook.(Citation: Symantec Dragonfly) |
Enterprise | T1547 | .001 | Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder |
Backdoor.Oldrea adds Registry Run keys to achieve persistence.(Citation: Symantec Dragonfly)(Citation: Gigamon Berserk Bear October 2021) |
Enterprise | T1555 | .003 | Credentials from Password Stores: Credentials from Web Browsers |
Some Backdoor.Oldrea samples contain a publicly available Web browser password recovery tool.(Citation: Symantec Dragonfly) |
Enterprise | T1132 | .001 | Data Encoding: Standard Encoding |
Some Backdoor.Oldrea samples use standard Base64 + bzip2, and some use standard Base64 + reverse XOR + RSA-2048 to decrypt data received from C2 servers.(Citation: Symantec Dragonfly) |
Enterprise | T1070 | .004 | Indicator Removal: File Deletion |
Backdoor.Oldrea contains a cleanup module that removes traces of itself from the victim.(Citation: Symantec Dragonfly) |
Enterprise | T1218 | .011 | System Binary Proxy Execution: Rundll32 |
Backdoor.Oldrea can use rundll32 for execution on compromised hosts.(Citation: Gigamon Berserk Bear October 2021) |
Groups That Use This Software |
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ID | Name | References |
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G0035 | Dragonfly |
(Citation: Symantec Dragonfly) (Citation: Gigamon Berserk Bear October 2021) |
References
- Slowik, J. (2021, October). THE BAFFLING BERSERK BEAR: A DECADE’S ACTIVITY TARGETING CRITICAL INFRASTRUCTURE. Retrieved December 6, 2021.
- Symantec Security Response. (2014, July 7). Dragonfly: Western energy sector targeted by sophisticated attack group. Retrieved September 9, 2017.
- Symantec Security Response. (2014, June 30). Dragonfly: Cyberespionage Attacks Against Energy Suppliers. Retrieved April 8, 2016.
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