HiddenWasp

HiddenWasp is a Linux-based Trojan used to target systems for remote control. It comes in the form of a statically linked ELF binary with stdlibc++.[1]

ID: S0394
Type: MALWARE
Platforms: Linux
Version: 1.1
Created: 24 June 2019
Last Modified: 31 July 2020

Techniques Used

Domain ID Name Use
Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

HiddenWasp uses a script to automate tasks on the victim's machine and to assist in execution.[1]

Enterprise T1136 .001 Create Account: Local Account

HiddenWasp creates a user account as a means to provide initial persistence to the compromised machine.[1]

Enterprise T1140 Deobfuscate/Decode Files or Information

HiddenWasp uses a cipher to implement a decoding function.[1]

Enterprise T1573 .001 Encrypted Channel: Symmetric Cryptography

HiddenWasp uses an RC4-like algorithm with an already computed PRGA generated key-stream for network communication.[1]

Enterprise T1546 .004 Event Triggered Execution: .bash_profile and .bashrc

HiddenWasp installs reboot persistence by adding itself to /etc/rc.local.[1]

Enterprise T1574 .006 Hijack Execution Flow: LD_PRELOAD

HiddenWasp adds itself as a shared object to the LD_PRELOAD environment variable.[1]

Enterprise T1105 Ingress Tool Transfer

HiddenWasp downloads a tar compressed archive from a download server to the system.[1]

Enterprise T1095 Non-Application Layer Protocol

HiddenWasp communicates with a simple network protocol over TCP.[1]

Enterprise T1027 Obfuscated Files or Information

HiddenWasp encrypts its configuration and payload.[1]

Enterprise T1014 Rootkit

HiddenWasp uses a rootkit to hook and implement functions on the system.[1]

References