Resubmissions

15/03/2026, 18:51

260315-xhxf4sey9m

12/10/2025, 13:11

251012-qfcwcswsf1

12/10/2025, 09:16

251012-k8qp2atwcs1

24/02/2024, 22:11

240224-138lnagd717

24/02/2024, 22:08

240224-12j7nsgd417

21/02/2024, 02:15

240221-cp3lgshf4t7

21/02/2024, 01:57

240221-cdsl5saa3610

21/02/2024, 01:53

240221-ca5gjahh867

General

  • Target
    Myau-240105-cracked (1).jar
  • Size 1.6MB
  • Sample240221-cdsl5saa36
  • SHA256 e79735e48a7cdaaf0f91cffda247eea8a4bbebaf39aebccad54f4cf23b5e7f8a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Myau-240105-cracked (1).jar
    • Size 1.6MB
    • SHA256 e79735e48a7cdaaf0f91cffda247eea8a4bbebaf39aebccad54f4cf23b5e7f8a
    • MD5 SHA1 SHA512 SSDEEP
    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Modifies WinLogon for persistence

    • Renames multiple (3381) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • 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.

    • Modifies WinLogon

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks