Resubmissions

31/10/2026, 02:21

261031-ctb94ah18m10

31/10/2026, 01:52

261031-cavbkat12j10

31/10/2026, 01:21

261031-bqxwyshy9q10

31/10/2026, 01:05

261031-bfhz2sga8910

31/10/2026, 00:14

261031-ajr7fsfz5x10

22/10/2026, 20:07

261022-yvx4vafs7y10

22/10/2026, 06:21

261022-g4b5asyxcy10

22/10/2026, 05:49

261022-gh947sz17n10

22/10/2026, 05:26

261022-f4xkkahd4410

15/10/2026, 04:53

261015-fh67wavv6k10

General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample261031-ctb94ah18m
  • SHA256 cbedcca6956457e43397a42f31cd90b9eb4160ca24ff96fa59fba34ce0b03e30
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • echodex.io:6606

  • echodex.io:7707

  • echodex.io:8808

  • echodex.io:443

  • echodex.io:80

  • echodex.io:8844

  • echodex.io:22

  • echodex.io:53

  • popit.io:6606

  • popit.io:7707

  • popit.io:8808

  • popit.io:443

  • popit.io:80

  • popit.io:8844

  • popit.io:22

  • popit.io:53

  • www.pdf-books.org:6606

  • www.pdf-books.org:7707

  • www.pdf-books.org:8808

  • www.pdf-books.org:443

Mutex
  • FtTRmAL1FxCo

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      AsyncClient.exe
    • Size 45KB
    • SHA256 cbedcca6956457e43397a42f31cd90b9eb4160ca24ff96fa59fba34ce0b03e30
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AsyncRat

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v16

Tasks