Analysis

  • max time kernel
    82s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/10/2022, 17:11

General

  • Target
    9b611982fbdf03baf0b4f8857d552e5d.exe
  • Size 883KB
  • Sample221027-vqak7schb4
  • SHA256 a63df56777dee301cd34280144b498d17c8e7c0ccf057224abf73cab1b220b68
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.hmbgrope.com

  • Port

    587

  • Password

    Nagod8135

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b611982fbdf03baf0b4f8857d552e5d.exe
    "C:\Users\Admin\AppData\Local\Temp\9b611982fbdf03baf0b4f8857d552e5d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Users\Admin\AppData\Local\Temp\9b611982fbdf03baf0b4f8857d552e5d.exe
      "C:\Users\Admin\AppData\Local\Temp\9b611982fbdf03baf0b4f8857d552e5d.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1704

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1512-54-0x0000000001280000-0x0000000001362000-memory.dmp

        memory/1512-55-0x00000000756A1000-0x00000000756A3000-memory.dmp

        memory/1512-56-0x0000000000730000-0x0000000000746000-memory.dmp

        memory/1512-57-0x0000000000750000-0x000000000075C000-memory.dmp

        memory/1512-58-0x0000000004F60000-0x0000000004FD6000-memory.dmp

        memory/1512-59-0x0000000004850000-0x000000000488E000-memory.dmp

        memory/1704-60-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-61-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-63-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-64-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-65-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-68-0x0000000000400000-0x000000000043E000-memory.dmp

        memory/1704-70-0x0000000000400000-0x000000000043E000-memory.dmp