Analysis

  • max time kernel
    77s
  • max time network
    66s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    13/08/2020, 10:03

General

  • Target
    HSBC_pdf.exe
  • Size 461KB
  • Sample200813-849fal5tvx
  • SHA256 d2d03d5d249a3c6ef5ed2dcf47bdb3bfda1f68d7ab507a676ae0c6a16ff78eed
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.flood-protection.org

  • Port

    587

  • Password

    emmydon2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • UPX packed file 6 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\HSBC_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\HSBC_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\HSBC_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\HSBC_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:420

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/420-0-0x0000000000400000-0x00000000004C1000-memory.dmp

        memory/420-2-0x0000000000400000-0x00000000004C1000-memory.dmp

        memory/420-3-0x0000000000400000-0x00000000004C1000-memory.dmp

        memory/420-4-0x00000000021B0000-0x000000000220A000-memory.dmp

        memory/420-5-0x00000000021A2000-0x00000000021A3000-memory.dmp