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Orz

Orz is a custom JavaScript backdoor used by Leviathan. It was observed being used in 2014 as well as in August 2017 when it was dropped by Microsoft Publisher files. [1] [2]

ID: S0229
Associated Software: Orz
Type: MALWARE
Platforms: Windows
Version: 1.0

Associated Software Descriptions

Name Description
Orz [1]

Techniques Used

Domain ID Name Use
Enterprise T1059 Command-Line Interface Orz can execute shell commands. [1]
Enterprise T1083 File and Directory Discovery Orz can gather victim drive information. [1]
Enterprise T1070 Indicator Removal on Host Orz can overwrite Registry settings to reduce its visibility on the victim. [1]
Enterprise T1027 Obfuscated Files or Information Some Orz strings are base64 encoded, such as the embedded DLL known as MockDll. [1]
Enterprise T1057 Process Discovery Orz can gather a process list from the victim. [1]
Enterprise T1093 Process Hollowing Some Orz versions have an embedded DLL known as MockDll that uses process hollowing and Regsvr32 to execute another payload. [1]
Enterprise T1117 Regsvr32 Some Orz versions have an embedded DLL known as MockDll that uses Process Hollowing and regsvr32 to execute another payload. [1]
Enterprise T1105 Remote File Copy Orz can download files onto the victim. [1]
Enterprise T1064 Scripting Orz can execute commands with script as well as execute JavaScript. [1]
Enterprise T1082 System Information Discovery Orz can gather the victim OS version and whether it is 64 or 32 bit. [1]
Enterprise T1016 System Network Configuration Discovery Orz can gather victim proxy information. [1]
Enterprise T1102 Web Service Orz has used Technet and Pastebin web pages for command and control. [1]

Groups That Use This Software

ID Name References
G0065 Leviathan [1]

References