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Hi-Zor

Hi-Zor is a remote access tool (RAT) that has characteristics similar to Sakula. It was used in a campaign named INOCNATION. [1]

ID: S0087
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Type: MALWARE
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Platforms: Windows
Version: 1.2
Created: 31 May 2017
Last Modified: 11 April 2024
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1573 .001 加密通道: Symmetric Cryptography

Hi-Zor encrypts C2 traffic with a double XOR using two distinct single-byte keys.[1]
.002 加密通道: Asymmetric Cryptography

Hi-Zor encrypts C2 traffic with TLS.[1]
Enterprise T1547 .001 启动或登录自动启动执行: Registry Run Keys / Startup Folder

Hi-Zor creates a Registry Run key to establish persistence.[2]
Enterprise T1059 .003 命令与脚本解释器: Windows Command Shell

Hi-Zor has the ability to create a reverse shell.[2]
Enterprise T1071 .001 应用层协议: Web Protocols

Hi-Zor communicates with its C2 server over HTTPS.[2]
Enterprise T1027 .013 混淆文件或信息: Encrypted/Encoded File

Hi-Zor uses various XOR techniques to obfuscate its components.[2]
Enterprise T1070 .004 移除指标: File Deletion

Hi-Zor deletes its RAT installer file as it executes its DLL payload file.[2]
Enterprise T1218 .010 系统二进制代理执行: Regsvr32

Hi-Zor executes using regsvr32.exe called from the Registry Run Keys / Startup Folder persistence mechanism.[2]
Enterprise T1105 输入工具传输

Hi-Zor has the ability to upload and download files from its C2 server.[2]

References

  1. Fidelis Threat Research Team. (2016, January 27). Introducing Hi-Zor RAT. Retrieved March 24, 2016.
  1. Fidelis Cybersecurity. (2015, December 16). Fidelis Threat Advisory #1020: Dissecting the Malware Involved in the INOCNATION Campaign. Retrieved March 24, 2016.