Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2023, 14:19

General

  • Target
    Balance Payment.pdf.exe
  • Size 638KB
  • Sample231121-rmtywsfg3v
  • SHA256 310ab33c2e90d6a836a85c39fbc87656be4346c3f163304d4cf5328e9ef4ccfd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.industrialgh.com

  • Port

    587

  • Password

    BillionPay$

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Balance Payment.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Balance Payment.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Users\Admin\AppData\Local\Temp\Balance Payment.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Balance Payment.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3340-11-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3340-19-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        memory/3340-18-0x0000000075130000-0x00000000758E0000-memory.dmp

        memory/3340-17-0x0000000007000000-0x0000000007050000-memory.dmp

        memory/3340-16-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        memory/3340-14-0x00000000059A0000-0x0000000005A06000-memory.dmp

        memory/3340-13-0x0000000075130000-0x00000000758E0000-memory.dmp

        memory/5032-4-0x0000000005C50000-0x0000000005C60000-memory.dmp

        memory/5032-8-0x0000000005CA0000-0x0000000005CA8000-memory.dmp

        memory/5032-9-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

        memory/5032-10-0x0000000006E60000-0x0000000006EDA000-memory.dmp

        memory/5032-7-0x0000000005C70000-0x0000000005C82000-memory.dmp

        memory/5032-6-0x0000000005D00000-0x0000000005D9C000-memory.dmp

        memory/5032-5-0x00000000059F0000-0x00000000059FA000-memory.dmp

        memory/5032-15-0x0000000075130000-0x00000000758E0000-memory.dmp

        memory/5032-0-0x0000000075130000-0x00000000758E0000-memory.dmp

        memory/5032-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

        memory/5032-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

        memory/5032-1-0x0000000000F80000-0x0000000001026000-memory.dmp