General

  • Target
    000a16493a26da9482431ddd2f7270470e8cb822f71d361432b0f037a75b4315.zip
  • Size 3.5MB
  • Sample260924-sybgcswbmb
  • SHA256 2bd9d1b4355a402e62cacff18d82c23d24723efef328157eed4fc8d25fffc795
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      000a16493a26da9482431ddd2f7270470e8cb822f71d361432b0f037a75b4315
    • Size 8.4MB
    • SHA256 000a16493a26da9482431ddd2f7270470e8cb822f71d361432b0f037a75b4315
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: BQTLock

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

    • Renames multiple (1423) files with added filename extension

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

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Custom signature

      Detect suspicious telegram bot

      Detect suspicious telegram bot.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks