Analysis

  • max time kernel
    146s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/06/2024, 09:25

General

  • Target
    Order 00039940002334.exe
  • Size 636KB
  • Sample240610-ld2pgsfg76
  • SHA256 0d23bf28abf8f91db828692cc71ca22209fe7c51b03589ec3f5764447afac870
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.stpindo.co.id

  • Port

    21

  • Password

    boygirl123456

Signatures

  • AgentTesla

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

  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order 00039940002334.exe
    "C:\Users\Admin\AppData\Local\Temp\Order 00039940002334.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Users\Admin\AppData\Local\Temp\Order 00039940002334.exe
      "C:\Users\Admin\AppData\Local\Temp\Order 00039940002334.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso9115.tmp\System.dll
        • Size 11KB
        • SHA256 a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
        • MD5 SHA1 SHA512 SSDEEP

        memory/1464-17-0x0000000071E4E000-0x0000000071E4F000-memory.dmp

        memory/1464-19-0x0000000039CF0000-0x000000003A294000-memory.dmp

        memory/1464-13-0x0000000077598000-0x0000000077599000-memory.dmp

        memory/1464-12-0x0000000000480000-0x00000000016D4000-memory.dmp

        memory/1464-14-0x00000000775B5000-0x00000000775B6000-memory.dmp

        memory/1464-16-0x0000000077511000-0x0000000077631000-memory.dmp

        memory/1464-15-0x0000000000480000-0x00000000016D4000-memory.dmp

        memory/1464-28-0x0000000071E40000-0x00000000725F0000-memory.dmp

        memory/1464-27-0x0000000071E4E000-0x0000000071E4F000-memory.dmp

        memory/1464-20-0x0000000039C20000-0x0000000039C86000-memory.dmp

        memory/1464-18-0x0000000000480000-0x00000000004C2000-memory.dmp

        memory/1464-21-0x0000000071E40000-0x00000000725F0000-memory.dmp

        memory/1464-22-0x000000003AC80000-0x000000003ACD0000-memory.dmp

        memory/1464-23-0x000000003ACE0000-0x000000003AD72000-memory.dmp

        memory/1464-24-0x000000003ADA0000-0x000000003ADAA000-memory.dmp

        memory/3588-11-0x0000000074374000-0x0000000074375000-memory.dmp

        memory/3588-10-0x0000000077511000-0x0000000077631000-memory.dmp