General

  • Target
    start.exe
  • Size 12.5MB
  • Sample251010-q2qpcawrs7
  • SHA256 4525387f28bee6bb48d07e6989319f382447a8a6e48ae11f332dee9916feb8cc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Program Files\Common Files\DESIGNER\README_TO_DECRYPT.txt

Ransom Note
  • YOUR FILES ARE ENCRYPTED! your files are not deleted but they are hidden to see them use cmd.exe and dir /a To recover your files, send 10 xmr to the following address:89RQN2EUmiX6vL7nTv3viqUAgbDpN4ab329zPCEgbceQJuS233uye4eXtYk3MXAtVoKNMmzgVrxXphLZbJPtearY7QVuApr After payment, send your HWID and transaction ID to: [email protected] we send you a decryptor and key DO NOT try to decrypt files yourself or use third-party tools, this will lead to permanent data loss.

Targets

    • Target
      start.exe
    • Size 12.5MB
    • SHA256 4525387f28bee6bb48d07e6989319f382447a8a6e48ae11f332dee9916feb8cc
    • MD5 SHA1 SHA512 SSDEEP
    • BQTLock

      BQTLock is a ransomware that operates under a Ransomware-as-a-Service model.

    • Bqtlock family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (1361) files with added filename extension

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

    • Downloads MZ/PE 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.

    • 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.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks