Overview

overview

10

Static

static

954b6feda9...1e.exe

windows7_x64

10

954b6feda9...1e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    51s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15/04/2022, 12:27

Sharing

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General

  • Target
    954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e.exe
  • Size 2.8MB
  • Sample220415-pm3jxscba7
  • SHA256 954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e
  • 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\954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e.exe
    "C:\Users\Admin\AppData\Local\Temp\954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e.exe
      "C:\Users\Admin\AppData\Local\Temp\954b6feda9f00dcefcfb1b9a238b198a18d9a9d4dbef0958865dde5f70f18d1e.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:1880

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1880-132-0x0000000000400000-0x0000000000486000-memory.dmp
        Download

        memory/1880-133-0x00000000056B0000-0x0000000005742000-memory.dmp
        Download

        memory/1880-134-0x0000000005D00000-0x00000000062A4000-memory.dmp
        Download

        memory/1880-135-0x0000000006460000-0x00000000064C6000-memory.dmp
        Download

        memory/1880-136-0x0000000006DC0000-0x0000000006E10000-memory.dmp
        Download

        memory/1880-137-0x0000000006F00000-0x0000000006F0A000-memory.dmp
        Download

        memory/1880-138-0x0000000007080000-0x000000000711C000-memory.dmp
        Download

        memory/1880-139-0x0000000005353000-0x0000000005355000-memory.dmp
        Download

        memory/4684-130-0x00000000007A0000-0x0000000000A78000-memory.dmp
        Download