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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]
ID: S0150
Type: MALWARE
Platforms: Windows
Version: 1.2
Created: 14 December 2017
Last Modified: 30 March 2020
Techniques Used
Domain | ID | Name | Use | |
---|---|---|---|---|
Enterprise | T1059 | .001 | Command and Scripting Interpreter: PowerShell |
POSHSPY uses PowerShell to execute various commands, one to execute its payload.[1] |
Enterprise | T1030 | Data Transfer Size Limits | ||
Enterprise | T1568 | .002 | Dynamic Resolution: Domain Generation Algorithms |
POSHSPY uses a DGA to derive command and control URLs from a word list.[1] |
Enterprise | T1573 | .002 | Encrypted Channel: Asymmetric Cryptography | |
Enterprise | T1546 | .003 | Event Triggered Execution: Windows Management Instrumentation Event Subscription |
POSHSPY uses a WMI event subscription to establish persistence.[1] |
Enterprise | T1070 | .006 | Indicator Removal on Host: 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 |
References
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