Analysis

  • max time kernel
    77s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    11-05-2022 02:43

General

  • Target

    128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.exe

  • Size

    542KB

  • MD5

    665fe7ada59071932e399bcbd22156dc

  • SHA1

    602ce8f319dbb62feba70d2961104ee8a75affb5

  • SHA256

    128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7

  • SHA512

    27a90ca7ab21f41ce11dd76d8c26b13de4d8539f234a5d603444b32a3dacc49ba71cd1a595b5a3ce758db2e32d98a3c34334bc5af9ddcfcb9e5d75b4cd65e703

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 3 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\128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.exe
    "C:\Users\Admin\AppData\Local\Temp\128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.exe
      "C:\Users\Admin\AppData\Local\Temp\128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.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:1696
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\128e601d083b904b8fa2dbdc49e724c0d270fbf97a9f7f3197f24c99dd89a8c7.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/992-71-0x0000000000000000-mapping.dmp

  • memory/992-76-0x000000006F090000-0x000000006F63B000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-69-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-75-0x0000000000805000-0x0000000000816000-memory.dmp

    Filesize

    68KB

  • memory/1696-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-60-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-74-0x00000000061F0000-0x0000000006280000-memory.dmp

    Filesize

    576KB

  • memory/1696-65-0x0000000000481BEE-mapping.dmp

  • memory/1696-67-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1696-73-0x0000000000FD0000-0x000000000100E000-memory.dmp

    Filesize

    248KB

  • memory/2024-56-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

    Filesize

    8KB

  • memory/2024-54-0x0000000001130000-0x00000000011BC000-memory.dmp

    Filesize

    560KB

  • memory/2024-57-0x0000000000C20000-0x0000000000C94000-memory.dmp

    Filesize

    464KB

  • memory/2024-58-0x00000000005B0000-0x00000000005C4000-memory.dmp

    Filesize

    80KB

  • memory/2024-55-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB