S0124 Pisloader
Pisloader is a malware family that is notable due to its use of DNS as a C2 protocol as well as its use of anti-analysis tactics. It has been used by APT18 and is similar to another malware family, HTTPBrowser, that has been used by the group. 1
| Item | Value |
|---|---|
| ID | S0124 |
| Associated Names | |
| Type | MALWARE |
| Version | 1.1 |
| Created | 31 May 2017 |
| Last Modified | 30 March 2020 |
| Navigation Layer | View In ATT&CK® Navigator |
Techniques Used
| Domain | ID | Name | Use |
|---|---|---|---|
| enterprise | T1071 | Application Layer Protocol | - |
| enterprise | T1071.004 | DNS | Pisloader uses DNS as its C2 protocol.1 |
| enterprise | T1547 | Boot or Logon Autostart Execution | - |
| enterprise | T1547.001 | Registry Run Keys / Startup Folder | Pisloader establishes persistence via a Registry Run key.1 |
| enterprise | T1059 | Command and Scripting Interpreter | - |
| enterprise | T1059.003 | Windows Command Shell | Pisloader uses cmd.exe to set the Registry Run key value. It also has a command to spawn a command shell.1 |
| enterprise | T1132 | Data Encoding | - |
| enterprise | T1132.001 | Standard Encoding | Responses from the Pisloader C2 server are base32-encoded.1 |
| enterprise | T1083 | File and Directory Discovery | Pisloader has commands to list drives on the victim machine and to list file information for a given directory.1 |
| enterprise | T1105 | Ingress Tool Transfer | Pisloader has a command to upload a file to the victim machine.1 |
| enterprise | T1027 | Obfuscated Files or Information | Pisloader obfuscates files by splitting strings into smaller sub-strings and including “garbage” strings that are never used. The malware also uses return-oriented programming (ROP) technique and single-byte XOR to obfuscate data.1 |
| enterprise | T1082 | System Information Discovery | Pisloader has a command to collect victim system information, including the system name and OS version.1 |
| enterprise | T1016 | System Network Configuration Discovery | Pisloader has a command to collect the victim’s IP address.1 |
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0026 | APT18 | 1 |