ATT&CKReferencesUnit42 DarkHydrus Jan 2019

Unit42 DarkHydrus Jan 2019

Lee, B., Falcone, R. (2019, January 18). DarkHydrus delivers new Trojan that can use Google Drive for C2 communications. Retrieved April 17, 2019.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software1

Campaigns0

None recorded.

Procedure examples10

TechniqueUsed byProcedure example
T1047
Windows Management Instrumentation
MalwareRogueRobin

RogueRobin uses various WMI queries to check if the sample is running in a sandbox.

T1059.001
PowerShell
MalwareRogueRobin

RogueRobin uses a command prompt to run a PowerShell script from Excel. To assist in establishing persistence, RogueRobin creates %APPDATA%\OneDrive.bat and saves the following string to it:powershell.exe -WindowStyle Hidden -exec bypass -File “%APPDATA%\OneDrive.ps1”.

T1059.003
Windows Command Shell
MalwareRogueRobin

RogueRobin uses Windows Script Components.

T1102.002
Bidirectional Communication
MalwareRogueRobin

RogueRobin has used Google Drive as a Command and Control channel.

T1105
Ingress Tool Transfer
MalwareRogueRobin

RogueRobin can save a new file to the system from the C2 server.

T1140
Deobfuscate/Decode Files or Information
MalwareRogueRobin

RogueRobin decodes an embedded executable using base64 and decompresses it.

T1218.010
Regsvr32
MalwareRogueRobin

RogueRobin uses regsvr32.exe to run a .sct file for execution.

T1497.001
System Checks
MalwareRogueRobin

RogueRobin uses WMI to check BIOS version for VBOX, bochs, qemu, virtualbox, and vm to check for evidence that the script might be executing within an analysis environment.

T1518.001
Security Software Discovery
MalwareRogueRobin

RogueRobin enumerates running processes to search for Wireshark and Windows Sysinternals suite.

T1547.009
Shortcut Modification
MalwareRogueRobin

RogueRobin establishes persistence by creating a shortcut (.LNK file) in the Windows startup folder to run a script each time the user logs in.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.