Analysis

  • max time kernel
    148s
  • max time network
    125s
  • submitted
    01/01/1970, 00:00

General

  • Target
    Revised Purchase Order EU No.268766GMKD.exe
  • Size 542KB
  • Sample211028-cxevdshad5
  • SHA256 d0141cb822a5c465815c321d602be031b3fa4629ca5723ef77b9955020dd8f3d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    DuBoBaO1

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 3 IoCs
  • 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 use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe
    "C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hAwPboGB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABCC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1836
    • C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe
      "C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe"
      2⤵
        PID:1112
      • C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe
        "C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe"
        2⤵
          PID:2848
        • C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe
          "C:\Users\Admin\AppData\Local\Temp\Revised Purchase Order EU No.268766GMKD.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2852

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/2220-122-0x0000000005C30000-0x0000000005C31000-memory.dmp

            memory/2220-119-0x0000000004F30000-0x000000000542E000-memory.dmp

            memory/2220-120-0x0000000004E40000-0x0000000004E41000-memory.dmp

            memory/2220-121-0x0000000004E70000-0x0000000004E76000-memory.dmp

            memory/2220-115-0x0000000000590000-0x0000000000591000-memory.dmp

            memory/2220-123-0x00000000053C0000-0x0000000005418000-memory.dmp

            memory/2220-118-0x0000000004E80000-0x0000000004E81000-memory.dmp

            memory/2220-117-0x0000000005430000-0x0000000005431000-memory.dmp

            memory/2852-125-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/2852-132-0x0000000005510000-0x0000000005A0E000-memory.dmp

            memory/2852-133-0x00000000056C0000-0x00000000056C1000-memory.dmp

            memory/2852-134-0x0000000006170000-0x0000000006171000-memory.dmp