Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:54

General

  • Target

    Shipping Documents Waybill no 69793741500.pdf.exe

  • Size

    470KB

  • MD5

    4778aae302047edb758db94a7c44ba33

  • SHA1

    93ba9f5632dd46ec68706a02f4c34b5fd49f82f5

  • SHA256

    df517a9dbaa0829415080a30f0d2f4d0eb27082aa9f8706997c4f7b3008ebdd0

  • SHA512

    8c0bbf7077b5e4b478fea961b42e7a8c49f48a456a7a8cead558089372a43733f3bd2fc8f927661c36d877dc3bfbaceb72d0b8bacde24f6fefd998a6cd6ac0e9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    faith12AB

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Documents Waybill no 69793741500.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents Waybill no 69793741500.pdf.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2520
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      2⤵
        PID:3944

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2520-130-0x0000000000870000-0x00000000008EC000-memory.dmp

      Filesize

      496KB

    • memory/2520-131-0x0000000005820000-0x0000000005DC4000-memory.dmp

      Filesize

      5.6MB

    • memory/2520-132-0x0000000005310000-0x00000000053A2000-memory.dmp

      Filesize

      584KB

    • memory/2520-133-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB

    • memory/2520-134-0x0000000008D20000-0x0000000008DBC000-memory.dmp

      Filesize

      624KB

    • memory/2520-135-0x00000000098D0000-0x0000000009936000-memory.dmp

      Filesize

      408KB

    • memory/2520-136-0x00000000011D0000-0x0000000001220000-memory.dmp

      Filesize

      320KB

    • memory/3944-137-0x0000000000000000-mapping.dmp