Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 16:27

General

  • Target
    SecuriteInfo.com.Win32.PWSX-gen.9370.11461.exe
  • Size 868KB
  • Sample240123-tx31nachd2
  • SHA256 0b31e06dc15e96e9b5a3ff9f7618643d8d0e8e71f631414482ee8c218bbd2d85
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.johncracftlawfirm.com

  • Port

    587

  • Password

    Masterruben0094@

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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9370.11461.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9370.11461.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gGgedB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gGgedB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4183.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2028
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9370.11461.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.9370.11461.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2820

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4183.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4183.tmp
        • Size 1KB
        • SHA256 54a956238c4172d049314e44ea391cc37611b95011025fff92f4fc9ff1e163e8
        • MD5 SHA1 SHA512

        memory/836-25-0x0000000074440000-0x0000000074B2E000-memory.dmp

        memory/836-1-0x0000000074440000-0x0000000074B2E000-memory.dmp

        memory/836-2-0x0000000007270000-0x00000000072B0000-memory.dmp

        memory/836-3-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/836-4-0x00000000004E0000-0x00000000004E8000-memory.dmp

        memory/836-5-0x0000000000500000-0x000000000050C000-memory.dmp

        memory/836-6-0x0000000007460000-0x00000000074DE000-memory.dmp

        memory/836-0-0x0000000000F20000-0x0000000000FFE000-memory.dmp

        memory/2744-29-0x000000006E890000-0x000000006EE3B000-memory.dmp

        memory/2744-33-0x00000000028A0000-0x00000000028E0000-memory.dmp

        memory/2744-35-0x000000006E890000-0x000000006EE3B000-memory.dmp

        memory/2744-34-0x00000000028A0000-0x00000000028E0000-memory.dmp

        memory/2744-30-0x000000006E890000-0x000000006EE3B000-memory.dmp

        memory/2744-27-0x00000000028A0000-0x00000000028E0000-memory.dmp

        memory/2820-22-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2820-28-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-14-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-16-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-31-0x0000000074440000-0x0000000074B2E000-memory.dmp

        memory/2820-24-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-18-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-32-0x0000000000470000-0x00000000004B0000-memory.dmp

        memory/2820-19-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/2820-36-0x0000000074440000-0x0000000074B2E000-memory.dmp

        memory/2820-37-0x0000000000470000-0x00000000004B0000-memory.dmp