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Resubmissions

16/03/2025, 09:49

250316-ltrjfsxybv 7

15/03/2025, 21:53

250315-1rsfasvsbx 10

General

  • Target

    http://youtube.com

  • Sample

    250315-1rsfasvsbx

Malware Config

Targets

    • Target

      http://youtube.com

    • 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.

    • Chimera family

    • Renames multiple (3246) files with added filename extension

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks