General

  • Target

    cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e

  • Size

    3.3MB

  • Sample

    220420-cv5yssdfbk

  • MD5

    83ceb8cd46608b79ffaf2798cdad8027

  • SHA1

    e873ec72d9fcf7cb582e5ccbf6b6a5b640f42e84

  • SHA256

    cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e

  • SHA512

    3e94cfced5299e5765c305ef6ffa3a5fb42d5c0979a6a39bb5dfd072974e11e482fcd31463544d37a450f2695a32cd1b5502756bc0f31dcb0e63544b227d23b2

Malware Config

Targets

    • Target

      cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e

    • Size

      3.3MB

    • MD5

      83ceb8cd46608b79ffaf2798cdad8027

    • SHA1

      e873ec72d9fcf7cb582e5ccbf6b6a5b640f42e84

    • SHA256

      cf4fa8dc53027d035f01c2484d8734b8a98bb323b71c1d5f1fe3f94416cabe9e

    • SHA512

      3e94cfced5299e5765c305ef6ffa3a5fb42d5c0979a6a39bb5dfd072974e11e482fcd31463544d37a450f2695a32cd1b5502756bc0f31dcb0e63544b227d23b2

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks