Analysis

  • max time kernel
    121s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10/12/2020, 20:27

General

  • Target
    P.O.DECEMBER.2020.PDF.exe
  • Size 727KB
  • Sample201210-7frpg644hn
  • SHA256 9fbc79d39607fa75a214552ebb132db779426add0ff8fa563cc33943e99cef65
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    web2.changeip.com

  • Port

    587

  • Password

    2*xaR!aKyovu

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P.O.DECEMBER.2020.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\P.O.DECEMBER.2020.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JPhFviOYw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1996
    • C:\Users\Admin\AppData\Local\Temp\P.O.DECEMBER.2020.PDF.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1580-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

        memory/1580-3-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

        memory/1580-5-0x0000000000A90000-0x0000000000B19000-memory.dmp

        memory/1580-6-0x0000000000960000-0x0000000000971000-memory.dmp

        memory/1580-8-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-10-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-12-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-14-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-16-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-18-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-20-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-22-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-24-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-26-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-28-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-30-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-32-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-34-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-36-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-38-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-40-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-42-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-44-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-46-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-48-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-50-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-52-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-54-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-56-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-58-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-60-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-62-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-64-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-66-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-68-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-70-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-72-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-74-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-76-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-78-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-80-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-82-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-84-0x0000000000960000-0x0000000000970000-memory.dmp

        memory/1580-86-0x0000000000480000-0x000000000048E000-memory.dmp

        memory/1580-87-0x0000000004BE0000-0x0000000004C6D000-memory.dmp

        memory/1580-95-0x0000000000960000-0x0000000000990000-memory.dmp

        memory/1732-93-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1732-96-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1732-98-0x0000000000400000-0x000000000045A000-memory.dmp

        memory/1732-100-0x00000000744C0000-0x0000000074BAE000-memory.dmp