Overview

overview

10

Static

static

73d810f1c8...ad.exe

windows7_x64

10

73d810f1c8...ad.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    62s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 15:45

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General

  • Target
    73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad.exe
  • Size 1.6MB
  • Sample220415-s7ev5sbce4
  • SHA256 73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad
  • MD5 SHA1 SHA512
Score
10/10
massloggercollectionpersistencespywarestealer

Malware Config

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad.exe
    "C:\Users\Admin\AppData\Local\Temp\73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad.exe
      "C:\Users\Admin\AppData\Local\Temp\73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad.exe"
      2⤵
      • 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:3440

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1440-130-0x0000000000F60000-0x00000000010F8000-memory.dmp
        Download

        memory/1440-131-0x0000000006140000-0x00000000066E4000-memory.dmp
        Download

        memory/1440-132-0x0000000005AB0000-0x0000000005B42000-memory.dmp
        Download

        memory/1440-133-0x0000000005AA0000-0x0000000005AAA000-memory.dmp
        Download

        memory/3440-135-0x0000000000400000-0x0000000000486000-memory.dmp
        Download

        memory/3440-136-0x00000000066F0000-0x0000000006756000-memory.dmp
        Download

        memory/3440-137-0x0000000002D83000-0x0000000002D85000-memory.dmp
        Download

        memory/3440-138-0x0000000007250000-0x00000000072A0000-memory.dmp
        Download

        memory/3440-139-0x0000000007C40000-0x0000000007CDC000-memory.dmp
        Download