Analysis

  • max time kernel
    65s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20/11/2020, 08:00

General

  • Target
    {REQUEST FOR QUOTATION-local lot.1,2,3,4,6container..exe
  • Size 766KB
  • Sample201120-vqpcwt6fqj
  • SHA256 e1f6596be115f9fa6aea3ac07636a505c92fadbfb97de7e8f12c67a934c4d38b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials

Signatures

  • MassLogger

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

  • MassLogger Main Payload 2 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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\{REQUEST FOR QUOTATION-local lot.1,2,3,4,6container..exe
    "C:\Users\Admin\AppData\Local\Temp\{REQUEST FOR QUOTATION-local lot.1,2,3,4,6container..exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Users\Admin\AppData\Local\Temp\{REQUEST FOR QUOTATION-local lot.1,2,3,4,6container..exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\{REQUEST FOR QUOTATION-local lot.1,2,3,4,6container..exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1864

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/428-7-0x000000000E230000-0x000000000E231000-memory.dmp

        memory/428-8-0x000000000DE80000-0x000000000DE94000-memory.dmp

        memory/428-4-0x000000000ADC0000-0x000000000ADC1000-memory.dmp

        memory/428-5-0x000000000A8C0000-0x000000000A8C1000-memory.dmp

        memory/428-6-0x0000000002E50000-0x0000000002E51000-memory.dmp

        memory/428-0-0x0000000073160000-0x000000007384E000-memory.dmp

        memory/428-1-0x0000000000A00000-0x0000000000A01000-memory.dmp

        memory/428-9-0x0000000005490000-0x000000000553E000-memory.dmp

        memory/428-10-0x00000000055E0000-0x00000000055E1000-memory.dmp

        memory/428-3-0x0000000007800000-0x00000000078B3000-memory.dmp

        memory/1864-50-0x0000000008C80000-0x0000000008C81000-memory.dmp

        memory/1864-35-0x0000000006DE0000-0x0000000006DE1000-memory.dmp

        memory/1864-24-0x0000000073160000-0x000000007384E000-memory.dmp

        memory/1864-51-0x0000000008FE0000-0x0000000008FE1000-memory.dmp

        memory/1864-55-0x0000000009150000-0x0000000009151000-memory.dmp

        memory/1864-28-0x0000000006F40000-0x0000000006F41000-memory.dmp

        memory/1864-26-0x0000000006740000-0x0000000006741000-memory.dmp

        memory/1864-53-0x0000000009160000-0x0000000009161000-memory.dmp

        memory/1864-52-0x00000000091B0000-0x00000000091B1000-memory.dmp

        memory/1864-43-0x0000000008CA0000-0x0000000008CD3000-memory.dmp

        memory/1864-41-0x0000000007E90000-0x0000000007E91000-memory.dmp

        memory/1864-39-0x0000000007670000-0x0000000007671000-memory.dmp

        memory/1864-40-0x00000000080F0000-0x00000000080F1000-memory.dmp

        memory/3624-25-0x0000000006E60000-0x0000000006E61000-memory.dmp

        memory/3624-37-0x0000000008400000-0x0000000008401000-memory.dmp

        memory/3624-31-0x0000000007FC0000-0x0000000007FC1000-memory.dmp

        memory/3624-30-0x0000000008360000-0x00000000083ED000-memory.dmp

        memory/3624-29-0x0000000008320000-0x0000000008359000-memory.dmp

        memory/3624-21-0x0000000006540000-0x0000000006541000-memory.dmp

        memory/3624-16-0x0000000073160000-0x000000007384E000-memory.dmp

        memory/3624-13-0x0000000000400000-0x0000000000486000-memory.dmp