Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    15/07/2020, 06:07

General

  • Target
    TOP URGENT QUOTATION FROM BTCpower.pdf.exe
  • Size 934KB
  • Sample200715-7g3pdrbfb2
  • SHA256 3015000bbb620cea84b4553323e96cd6f58fb3600ac57695dec5ba84a4022778
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    sOeKk#E6

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TOP URGENT QUOTATION FROM BTCpower.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\TOP URGENT QUOTATION FROM BTCpower.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\TOP URGENT QUOTATION FROM BTCpower.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\TOP URGENT QUOTATION FROM BTCpower.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1576-0-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1576-2-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1576-3-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1576-4-0x00000000021D0000-0x000000000221C000-memory.dmp

        memory/1576-5-0x00000000021C2000-0x00000000021C3000-memory.dmp