Resubmissions

24/09/2024, 22:54

240924-2vmjwstbja10

24/09/2024, 22:40

240924-2lz4masfmc8

24/09/2024, 22:31

240924-2ffg2asdkd8

General

  • Target
    fortnite-skin-changer-lobby
  • Size 10KB
  • Sample240924-2vmjwstbja
  • SHA256 d0019364aa3673c7d62a615e41f98c0585b72808fe9e32714a73b33c52b5bdb8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      fortnite-skin-changer-lobby
    • Size 10KB
    • SHA256 d0019364aa3673c7d62a615e41f98c0585b72808fe9e32714a73b33c52b5bdb8
    • MD5 SHA1 SHA512 SSDEEP
    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (509) 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Drops desktop.ini file(s)

    • 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.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks