BLACKCOFFEE
BLACKCOFFEE is malware that has been used by several Chinese groups since at least 2013. [1] [2]
Techniques Used
| Domain | ID | Name | Use | |
|---|---|---|---|---|
| Enterprise | T1059 | .003 | Command and Scripting Interpreter: Windows Command Shell |
BLACKCOFFEE has the capability to create a reverse shell.[1] |
| Enterprise | T1083 | File and Directory Discovery |
BLACKCOFFEE has the capability to enumerate files.[1] |
|
| Enterprise | T1070 | .004 | Indicator Removal on Host: File Deletion |
BLACKCOFFEE has the capability to delete files.[1] |
| Enterprise | T1104 | Multi-Stage Channels |
BLACKCOFFEE uses Microsoft’s TechNet Web portal to obtain an encoded tag containing the IP address of a command and control server and then communicates separately with that IP address for C2. If the C2 server is discovered or shut down, the threat actors can update the encoded IP address on TechNet to maintain control of the victims’ machines.[1] |
|
| Enterprise | T1057 | Process Discovery |
BLACKCOFFEE has the capability to discover processes.[1] |
|
| Enterprise | T1102 | .001 | Web Service: Dead Drop Resolver |
BLACKCOFFEE uses Microsoft’s TechNet Web portal to obtain a dead drop resolver containing an encoded tag with the IP address of a command and control server.[1][2] |
| .002 | Web Service: Bidirectional Communication |
BLACKCOFFEE has also obfuscated its C2 traffic as normal traffic to sites such as Github.[1][2] |
||
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0065 | Leviathan | |
| G0096 | APT41 | |
| G0025 | APT17 |
References
- FireEye Labs/FireEye Threat Intelligence. (2015, May 14). Hiding in Plain Sight: FireEye and Microsoft Expose Obfuscation Tactic. Retrieved January 22, 2016.
- FireEye. (2018, March 16). Suspected Chinese Cyber Espionage Group (TEMP.Periscope) Targeting U.S. Engineering and Maritime Industries. Retrieved April 11, 2018.