General

  • Target

    fd3b70843ae2b7f55cbcd49e4b6a7081_JaffaCakes118

  • Size

    938KB

  • Sample

    240928-1y8qvs1crf

  • MD5

    fd3b70843ae2b7f55cbcd49e4b6a7081

  • SHA1

    447e3243498f8cce29f7e6853db185c0e086290a

  • SHA256

    e64912455cb408698c1c2828900ffe0506dfe49d4147d44878decd04a41c7fa3

  • SHA512

    b1184be9e9d6b1be9775e1b1f717d68275a97e947ae2448719289191eb7df7ed3b6af20b0fa8b1f5000207a3bd5f2098f81cdfec81b78fc7dd1b12887381551e

  • SSDEEP

    12288:fQbhex2teM2Lfzpl6+fcZfcNp3nCoKzdzGBDkbecWL9cyaFyPeYDOJbQhYbPS:uh1n2Ltlpm+x/K4BPcWx5KlY+76

Malware Config

Targets

    • Target

      fd3b70843ae2b7f55cbcd49e4b6a7081_JaffaCakes118

    • Size

      938KB

    • MD5

      fd3b70843ae2b7f55cbcd49e4b6a7081

    • SHA1

      447e3243498f8cce29f7e6853db185c0e086290a

    • SHA256

      e64912455cb408698c1c2828900ffe0506dfe49d4147d44878decd04a41c7fa3

    • SHA512

      b1184be9e9d6b1be9775e1b1f717d68275a97e947ae2448719289191eb7df7ed3b6af20b0fa8b1f5000207a3bd5f2098f81cdfec81b78fc7dd1b12887381551e

    • SSDEEP

      12288:fQbhex2teM2Lfzpl6+fcZfcNp3nCoKzdzGBDkbecWL9cyaFyPeYDOJbQhYbPS:uh1n2Ltlpm+x/K4BPcWx5KlY+76

    • 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.

    • 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.

    • 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 SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks