Analysis

  • max time kernel
    60s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    24-03-2023 01:45

General

  • Target

    8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe

  • Size

    780KB

  • MD5

    867f3356aa9b610025c903e669695dfa

  • SHA1

    82358cfdaad5a6b7ddb161f8092cf9064f72a002

  • SHA256

    8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9

  • SHA512

    e36236778395f352de7ff721b7f6eaa994c6169cea95a664c1c6dcbdfdfd92d4af3d5cde152abcc0d38f037c9859f992f27bd774c59c80280d7306b48591f014

  • SSDEEP

    12288:iqTQOM8aRnyOIh+KciczIcc/STI0mI0zfBe66+47o7Oh+8GFWu:59JafCczjc6j0z8zdcZ

Malware Config

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
      "C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe"
      2⤵
        PID:840
      • C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
        "C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1792

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1792-66-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-61-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-63-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-91-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1792-62-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-71-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1792-68-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1792-70-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1792-64-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1960-59-0x0000000005710000-0x00000000057BA000-memory.dmp

      Filesize

      680KB

    • memory/1960-58-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1960-54-0x0000000000D10000-0x0000000000DDA000-memory.dmp

      Filesize

      808KB

    • memory/1960-56-0x00000000003E0000-0x00000000003FE000-memory.dmp

      Filesize

      120KB

    • memory/1960-60-0x0000000000930000-0x0000000000962000-memory.dmp

      Filesize

      200KB

    • memory/1960-55-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

      Filesize

      256KB

    • memory/1960-57-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

      Filesize

      256KB