WellMess
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1005 | 从本地系统获取数据 |
WellMess can send files from the victim machine to C2.[2][1] |
|
| Enterprise | T1573 | .001 | 加密通道: Symmetric Cryptography |
WellMess can encrypt HTTP POST data using RC6 and a dynamically generated AES key encrypted with a hard coded RSA public key.[2][4][1] |
| .002 | 加密通道: Asymmetric Cryptography |
WellMess can communicate to C2 with mutual TLS where client and server mutually check certificates.[2][4][1][3] |
||
| Enterprise | T1140 | 反混淆/解码文件或信息 |
WellMess can decode and decrypt data received from C2.[2][4][1] |
|
| Enterprise | T1059 | .001 | 命令与脚本解释器: PowerShell |
WellMess can execute PowerShell scripts received from C2.[2][1] |
| .003 | 命令与脚本解释器: Windows Command Shell |
WellMess can execute command line scripts received from C2.[2] |
||
| Enterprise | T1071 | .001 | 应用层协议: Web Protocols |
WellMess can use HTTP and HTTPS in C2 communications.[2][4][1][3] |
| .004 | 应用层协议: DNS |
WellMess has the ability to use DNS tunneling for C2 communications.[2][3] |
||
| Enterprise | T1001 | .001 | 数据混淆: Junk Data |
WellMess can use junk data in the Base64 string for additional obfuscation.[1] |
| Enterprise | T1132 | .001 | 数据编码: Standard Encoding |
WellMess has used Base64 encoding to uniquely identify communication to and from the C2.[1] |
| Enterprise | T1069 | .002 | 权限组发现: Domain Groups |
WellMess can identify domain group membership for the current user.[1] |
| Enterprise | T1082 | 系统信息发现 |
WellMess can identify the computer name of a compromised host.[2][1] |
|
| Enterprise | T1033 | 系统所有者/用户发现 |
WellMess can collect the username on the victim machine to send to C2.[1] |
|
| Enterprise | T1016 | 系统网络配置发现 |
WellMess can identify the IP address and user domain on the target machine.[2][1] |
|
| Enterprise | T1105 | 输入工具传输 | ||
Groups That Use This Software
References
- CISA. (2020, July 16). MAR-10296782-2.v1 – WELLMESS. Retrieved September 24, 2020.
- PWC. (2020, July 16). How WellMess malware has been used to target COVID-19 vaccines. Retrieved September 24, 2020.
- National Cyber Security Centre. (2020, July 16). Advisory: APT29 targets COVID-19 vaccine development. Retrieved September 29, 2020.