Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2022, 08:31

General

  • Target
    676841d9d559d269ce233595d5a028bd.exe
  • Size 1.0MB
  • Sample220926-keq4psaba3
  • SHA256 112dc41a2dfefecd437219db319a9359c036e1319a4361dcfa2f7e9b2d25620c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    YAWALESS123@@

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe
    "C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe
      "C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe"
      2⤵
        PID:1784
      • C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe
        "C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe"
        2⤵
          PID:4328
        • C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe
          "C:\Users\Admin\AppData\Local\Temp\676841d9d559d269ce233595d5a028bd.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:3608

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            676841d9d559d269ce233595d5a028bd.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\676841d9d559d269ce233595d5a028bd.exe.log
            • Size 1KB
            • SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
            • MD5 SHA1 SHA512

            memory/3416-132-0x00000000002A0000-0x00000000003AC000-memory.dmp

            memory/3416-133-0x00000000052E0000-0x0000000005884000-memory.dmp

            memory/3416-134-0x0000000004DD0000-0x0000000004E62000-memory.dmp

            memory/3416-135-0x0000000004D50000-0x0000000004D5A000-memory.dmp

            memory/3416-136-0x0000000008A50000-0x0000000008AEC000-memory.dmp

            memory/3416-137-0x0000000008AF0000-0x0000000008B56000-memory.dmp

            memory/3608-141-0x0000000000400000-0x000000000043A000-memory.dmp

            memory/3608-143-0x00000000066A0000-0x00000000066F0000-memory.dmp