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zwShell

zwShell is a remote access tool (RAT) written in Delphi that has been seen in the wild since the spring of 2010 and used by threat actors during Night Dragon.[1]

ID: S0350
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Type: MALWARE
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Platforms: Windows
Version: 2.0
Created: 30 January 2019
Last Modified: 22 September 2022
Enterprise Layer
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Techniques Used

Domain ID Name Use
Enterprise T1112 修改注册表

zwShell can modify the Registry.[1]
Enterprise T1543 .003 创建或修改系统进程: Windows Service

zwShell has established persistence by adding itself as a new service.[1]
Enterprise T1059 .003 命令与脚本解释器: Windows Command Shell

zwShell can launch command-line shells.[1]
Enterprise T1083 文件和目录发现

zwShell can browse the file system.[1]
Enterprise T1070 .004 移除指标: File Deletion

zwShell has deleted itself after creating a service as well as deleted a temporary file when the system reboots.[1]
Enterprise T1082 系统信息发现

zwShell can obtain the victim PC name and OS version.[1]
Enterprise T1033 系统所有者/用户发现

zwShell can obtain the name of the logged-in user on the victim.[1]
Enterprise T1016 系统网络配置发现

zwShell can obtain the victim IP address.[1]
Enterprise T1021 .001 远程服务: Remote Desktop Protocol

zwShell has used RDP for lateral movement.[1]
.002 远程服务: SMB/Windows Admin Shares

zwShell has been copied over network shares to move laterally.[1]
Enterprise T1053 .005 预定任务/作业: Scheduled Task

zwShell has used SchTasks for execution.[1]

Campaigns

ID Name Description
C0002 Night Dragon

During Night Dragon, threat actors used zwShell to generate Trojan variants, control victim machines, and exfiltrate data.[1]

References

  1. McAfee® Foundstone® Professional Services and McAfee Labs™. (2011, February 10). Global Energy Cyberattacks: “Night Dragon”. Retrieved February 19, 2018.