Resubmissions

03/10/2026, 17:43

261003-wamfhatdrf10

01/10/2026, 04:02

261001-elt62ssdjg10

01/10/2026, 03:38

261001-d69a2ayt9n10

18/07/2026, 07:05

260718-hwx78sbw7r10

12/07/2026, 23:58

260712-31g22ab12z10

20/06/2026, 05:59

260620-gp8vqadt5n10

17/06/2026, 05:40

260617-gc27eaay5q10

16/06/2026, 03:25

260616-dy2wzshy5t10

12/06/2026, 06:57

260612-hq4stsax9j10

18/05/2026, 01:08

260518-bhlhysex3y10

General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260617-gc27eaay5q
  • 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: Image File Execution Options Injection

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

    • 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

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks