Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2024, 08:13

General

  • Target
    QUOTATIONS#08673.exe
  • Size 1.1MB
  • Sample241007-j4exasygld
  • SHA256 2b0aa4afe0006f9504246100a5beda8fa02832fa4550e75e02007433d3fd2eff
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.ercolina-usa.com

  • Port

    21

  • Password

    uy,o#mZj8$lY

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.ercolina-usa.com

  • Port

    21

  • Password

    uy,o#mZj8$lY

Signatures

  • AgentTesla

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08673.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08673.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08673.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1296-2-0x0000000004090000-0x0000000004290000-memory.dmp

        memory/2776-3-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2776-4-0x00000000745FE000-0x00000000745FF000-memory.dmp

        memory/2776-5-0x0000000005770000-0x0000000005D14000-memory.dmp

        memory/2776-6-0x0000000005330000-0x0000000005396000-memory.dmp

        memory/2776-7-0x00000000745F0000-0x0000000074DA0000-memory.dmp

        memory/2776-10-0x00000000068A0000-0x00000000068F0000-memory.dmp

        memory/2776-11-0x00000000069D0000-0x0000000006A62000-memory.dmp

        memory/2776-12-0x00000000069B0000-0x00000000069BA000-memory.dmp

        memory/2776-13-0x00000000745FE000-0x00000000745FF000-memory.dmp

        memory/2776-14-0x00000000745F0000-0x0000000074DA0000-memory.dmp