S0150 POSHSPY
POSHSPY is a backdoor that has been used by APT29 since at least 2015. It appears to be used as a secondary backdoor used if the actors lost access to their primary backdoors. 1
| Item | Value |
|---|---|
| ID | S0150 |
| Associated Names | |
| Type | MALWARE |
| Version | 1.2 |
| Created | 14 December 2017 |
| Last Modified | 30 March 2020 |
| Navigation Layer | View In ATT&CK® Navigator |
Techniques Used
| Domain | ID | Name | Use |
|---|---|---|---|
| enterprise | T1059 | Command and Scripting Interpreter | - |
| enterprise | T1059.001 | PowerShell | POSHSPY uses PowerShell to execute various commands, one to execute its payload.1 |
| enterprise | T1030 | Data Transfer Size Limits | POSHSPY uploads data in 2048-byte chunks.1 |
| enterprise | T1568 | Dynamic Resolution | - |
| enterprise | T1568.002 | Domain Generation Algorithms | POSHSPY uses a DGA to derive command and control URLs from a word list.1 |
| enterprise | T1573 | Encrypted Channel | - |
| enterprise | T1573.002 | Asymmetric Cryptography | POSHSPY encrypts C2 traffic with AES and RSA.1 |
| enterprise | T1546 | Event Triggered Execution | - |
| enterprise | T1546.003 | Windows Management Instrumentation Event Subscription | POSHSPY uses a WMI event subscription to establish persistence.1 |
| enterprise | T1070 | Indicator Removal | - |
| enterprise | T1070.006 | Timestomp | POSHSPY modifies timestamps of all downloaded executables to match a randomly selected file created prior to 2013.1 |
| enterprise | T1105 | Ingress Tool Transfer | POSHSPY downloads and executes additional PowerShell code and Windows binaries.1 |
| enterprise | T1027 | Obfuscated Files or Information | POSHSPY appends a file signature header (randomly selected from six file types) to encrypted data prior to upload or download.1 |
Groups That Use This Software
| ID | Name | References |
|---|---|---|
| G0016 | APT29 | 1 |