Analysis

  • max time kernel
    4294214s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    14-04-2022 13:36

General

  • Target

    5741e024e4ae74f1fb27f35cbcfc4d59400bb98feb03addae89518afb9de5790.exe

  • Size

    786KB

  • MD5

    5ffd379e89159fc5b0f4fbf565b9ceba

  • SHA1

    57ecfc95afae63db07c31c9d4c022e8d1eac3b81

  • SHA256

    5741e024e4ae74f1fb27f35cbcfc4d59400bb98feb03addae89518afb9de5790

  • SHA512

    fd386818127b782762d522a22221207c1af7c22e8d9234adee8870968977c7b79c1b8353883cebc1b506bf69a7e641ff4810dea789e607a92befb99f5d362cf6

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5741e024e4ae74f1fb27f35cbcfc4d59400bb98feb03addae89518afb9de5790.exe
    "C:\Users\Admin\AppData\Local\Temp\5741e024e4ae74f1fb27f35cbcfc4d59400bb98feb03addae89518afb9de5790.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:1996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1996-54-0x0000000000A00000-0x0000000000ACA000-memory.dmp

    Filesize

    808KB

  • memory/1996-55-0x0000000004980000-0x00000000049E8000-memory.dmp

    Filesize

    416KB

  • memory/1996-56-0x0000000004AB0000-0x0000000004B36000-memory.dmp

    Filesize

    536KB

  • memory/1996-57-0x00000000051F5000-0x0000000005206000-memory.dmp

    Filesize

    68KB