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Seasalt

Seasalt is malware that has been linked to APT1's 2010 operations. It shares some code similarities with OceanSalt.[1][2]

ID: S0345
Type: MALWARE
Platforms: Windows
Version: 1.0
Created: 30 January 2019
Last Modified: 12 February 2019

Techniques Used

Domain ID Name Use
Enterprise T1059 Command-Line Interface

Seasalt uses cmd.exe to create a reverse shell on the infected endpoint.[1]

Enterprise T1094 Custom Command and Control Protocol

Seasalt uses a custom binary protocol for C2.[1]

Enterprise T1083 File and Directory Discovery

Seasalt has the capability to identify the drive type on a victim.[2]

Enterprise T1107 File Deletion

Seasalt has a command to delete a specified file.[1]

Enterprise T1036 Masquerading

Seasalt has masqueraded as a service called "SaSaut" with a display name of "System Authorization Service" in an apparent attempt to masquerade as a legitimate service.[1]

Enterprise T1050 New Service

Seasalt is capable of installing itself as a service.[1]

Enterprise T1027 Obfuscated Files or Information

Seasalt obfuscates configuration data.[1]

Enterprise T1057 Process Discovery

Seasalt has a command to perform a process listing.[1]

Enterprise T1060 Registry Run Keys / Startup Folder

Seasalt creates a Registry entry to ensure infection after reboot under HKLM\Software\Microsoft\Windows\currentVersion\Run.[2]

Enterprise T1105 Remote File Copy

Seasalt has a command to download additional files.[1][1]

Enterprise T1071 Standard Application Layer Protocol

Seasalt uses HTTP for C2 communications.[1]

Groups That Use This Software

ID Name References
G0006 APT1 [1] [2]

References