Analysis

  • max time kernel
    28s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08/12/2020, 14:43

General

  • Target
    nwamamassloga.com.exe
  • Size 6.3MB
  • Sample201208-qqn9tkrry6
  • SHA256 b095032316de2f43af0557c35dd58ab254928f24a3b8e7cf4cf5c4dbac73ac56
  • MD5 SHA1 SHA512

Malware Config

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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe
    "C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe
      "C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe"
      2⤵
        PID:3376
      • C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe
        "C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\nwamamassloga.com.exe'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3360

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/636-2-0x0000000073F80000-0x000000007466E000-memory.dmp

          memory/636-3-0x0000000000F90000-0x0000000000F91000-memory.dmp

          memory/636-5-0x0000000013410000-0x0000000013411000-memory.dmp

          memory/636-6-0x0000000005D60000-0x0000000005DFF000-memory.dmp

          memory/636-7-0x0000000006300000-0x0000000006301000-memory.dmp

          memory/2648-8-0x0000000000400000-0x0000000000486000-memory.dmp

          memory/2648-11-0x0000000073F90000-0x000000007467E000-memory.dmp

          memory/2648-14-0x0000000005ED0000-0x0000000005ED1000-memory.dmp

          memory/2648-16-0x0000000006F70000-0x0000000006F71000-memory.dmp

          memory/2648-21-0x0000000007760000-0x0000000007761000-memory.dmp

          memory/2648-19-0x0000000007780000-0x0000000007781000-memory.dmp

          memory/3360-20-0x0000000000C90000-0x0000000000C91000-memory.dmp

          memory/3360-28-0x0000000006D70000-0x0000000006D71000-memory.dmp

          memory/3360-23-0x0000000006DA0000-0x0000000006DA1000-memory.dmp

          memory/3360-24-0x0000000006B60000-0x0000000006B61000-memory.dmp

          memory/3360-25-0x0000000007440000-0x0000000007441000-memory.dmp

          memory/3360-27-0x0000000007520000-0x0000000007521000-memory.dmp

          memory/3360-18-0x0000000073F90000-0x000000007467E000-memory.dmp

          memory/3360-29-0x0000000007D40000-0x0000000007D41000-memory.dmp

          memory/3360-30-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

          memory/3360-32-0x0000000008BA0000-0x0000000008BD3000-memory.dmp

          memory/3360-39-0x0000000008980000-0x0000000008981000-memory.dmp

          memory/3360-40-0x0000000008CF0000-0x0000000008CF1000-memory.dmp

          memory/3360-41-0x0000000008F20000-0x0000000008F21000-memory.dmp

          memory/3360-42-0x0000000008E80000-0x0000000008E81000-memory.dmp

          memory/3360-44-0x0000000008E60000-0x0000000008E61000-memory.dmp