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Analysis

  • max time kernel
    72s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30/06/2022, 18:04

General

  • Target

    10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe

  • Size

    1.1MB

  • MD5

    ef826a08ca7e802e0a5a5c61b58b2a80

  • SHA1

    467f33a80dd20e33c0f89ebd69d265cbe109556d

  • SHA256

    10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909

  • SHA512

    cd51bec962ba2aa24ea5747111b9bf292591009cef084facaf56278ab338964b3149a2e6f9d4c2e17ceba15c2095d6af0081c7175ea841a661ca3fe9ef1c3dac

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 4 IoCs
  • UPX packed file 1 IoCs

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

  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
    "C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe
      "C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:608
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\10979f9fbee39c33046e940c5893569a1963d3c82de2627394e940ea070f0909.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/608-59-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/608-60-0x0000000001ED0000-0x0000000001F56000-memory.dmp

    Filesize

    536KB

  • memory/608-58-0x0000000001ED0000-0x0000000001F56000-memory.dmp

    Filesize

    536KB

  • memory/608-62-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/608-65-0x0000000004C05000-0x0000000004C16000-memory.dmp

    Filesize

    68KB

  • memory/900-54-0x00000000751C1000-0x00000000751C3000-memory.dmp

    Filesize

    8KB

  • memory/900-56-0x00000000003E0000-0x00000000003F0000-memory.dmp

    Filesize

    64KB

  • memory/1352-66-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1352-67-0x000000006E8F0000-0x000000006EE9B000-memory.dmp

    Filesize

    5.7MB