Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/07/2020, 09:55

General

  • Target
    ETA_Bill of lading.exe
  • Size 687KB
  • Sample200719-1el3tsfema
  • SHA256 5c376e5e14153f9b1e81f8dce785eba1e46ebfc0e8aa00d91fadddea406d79f3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    ikechukwu112

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

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

  • AgentTesla

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

  • Suspicious behavior: EnumeratesProcesses 4 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ETA_Bill of lading.exe
    "C:\Users\Admin\AppData\Local\Temp\ETA_Bill of lading.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\ETA_Bill of lading.exe
      "C:\Users\Admin\AppData\Local\Temp\ETA_Bill of lading.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:2996

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2996-0-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/2996-2-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/2996-3-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/2996-4-0x0000000002170000-0x00000000021BC000-memory.dmp

        memory/2996-5-0x00000000022C2000-0x00000000022C3000-memory.dmp