Analysis

  • max time kernel
    88s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 04:06

General

  • Target

    Inquriy List Ref.exe

  • Size

    897KB

  • MD5

    c0989fcd6a3bb3c463d4e6cf10bc2b78

  • SHA1

    26a804e261e9e5741858ebc475692d2c17a4ad42

  • SHA256

    18536d644a7be6098da4f895bac325297f0a4c08252f6b98f9cab510f004e8ce

  • SHA512

    9fbde9b86f9c9ba0ddd1ee227350294f69904a39a614b1d9ce810394771de8ad06f3033ace86059fe2fc8d42ef2d56e0c045760709a5bc80dea2dcdb9150f173

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 6 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.

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe
      "C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1272
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Inquriy List Ref.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1636

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1272-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-58-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-71-0x00000000003A5000-0x00000000003B6000-memory.dmp

    Filesize

    68KB

  • memory/1272-68-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-64-0x000000000048178E-mapping.dmp

  • memory/1272-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-66-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1272-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1636-69-0x0000000000000000-mapping.dmp

  • memory/1636-70-0x0000000075F21000-0x0000000075F23000-memory.dmp

    Filesize

    8KB

  • memory/1636-72-0x000000006F310000-0x000000006F8BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1636-73-0x00000000023B0000-0x0000000002FFA000-memory.dmp

    Filesize

    12.3MB

  • memory/1700-55-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/1700-56-0x0000000005650000-0x0000000005710000-memory.dmp

    Filesize

    768KB

  • memory/1700-57-0x0000000004F40000-0x0000000004FC8000-memory.dmp

    Filesize

    544KB

  • memory/1700-54-0x0000000000E30000-0x0000000000F16000-memory.dmp

    Filesize

    920KB