Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2023, 12:59

General

  • Target
    SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe
  • Size 501KB
  • Sample230111-p73enagc8x
  • SHA256 4016961405e5f7b07d577e28501a8e185adba690a75425c68ef4fa5b5afebc74
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    @@Marriedj8OQWinbi1

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3292

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.PackedNET.1761.22710.28943.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/3292-138-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3292-140-0x0000000005B70000-0x0000000005BD6000-memory.dmp

        memory/3292-141-0x0000000006610000-0x0000000006660000-memory.dmp

        memory/4308-132-0x0000000000BF0000-0x0000000000C74000-memory.dmp

        memory/4308-133-0x0000000005C60000-0x0000000006204000-memory.dmp

        memory/4308-134-0x0000000005570000-0x0000000005602000-memory.dmp

        memory/4308-135-0x00000000054D0000-0x00000000054DA000-memory.dmp

        memory/4308-136-0x0000000008F20000-0x0000000008FBC000-memory.dmp