Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    19/10/2021, 14:12

General

  • Target
    813641BENTELERdeMéxicoSAdeCV202110193434322.exe
  • Size 385KB
  • Sample211019-rhvpmaghap
  • SHA256 01ef7277bcd8f0ac5259da0e72f1331ed250624a15e74fa44ac9c0f9dcaea096
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.comansi.com

  • Port

    587

  • Password

    JUGuete$2021

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe
    "C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe
      "C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"
      2⤵
        PID:588
      • C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe
        "C:\Users\Admin\AppData\Local\Temp\813641BENTELERdeMéxicoSAdeCV202110193434322.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:608

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/608-64-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/608-71-0x00000000005B1000-0x00000000005B2000-memory.dmp

          memory/608-70-0x00000000005B0000-0x00000000005B1000-memory.dmp

          memory/608-68-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/608-66-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/608-62-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/608-65-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/608-63-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/1572-56-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

          memory/1572-61-0x0000000007F60000-0x0000000007FB8000-memory.dmp

          memory/1572-60-0x0000000000770000-0x0000000000778000-memory.dmp

          memory/1572-54-0x0000000000E70000-0x0000000000E71000-memory.dmp

          memory/1572-58-0x00000000048C1000-0x00000000048C2000-memory.dmp

          memory/1572-59-0x00000000048C2000-0x00000000048C3000-memory.dmp

          memory/1572-57-0x00000000048C0000-0x00000000048C1000-memory.dmp