General

  • Target

    https://cdn.discordapp.com/attachments/1244465534632726578/1245514727015317616/BetterSolara.exe?ex=6659077b&is=6657b5fb&hm=e26d0e12d909ec9eeb42aa75cdaecf0a3a55d049f8343bd2566f809b567aa6d6&

  • Sample

    240529-3zkfrseg4z

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

127.0.0.1:2000

127.0.0.1:3069

taking-headquarters.gl.at.ply.gg:2000

taking-headquarters.gl.at.ply.gg:3069

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      https://cdn.discordapp.com/attachments/1244465534632726578/1245514727015317616/BetterSolara.exe?ex=6659077b&is=6657b5fb&hm=e26d0e12d909ec9eeb42aa75cdaecf0a3a55d049f8343bd2566f809b567aa6d6&

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks