Analysis

  • max time kernel
    127s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 14:54

General

  • Target

    PO PJS-4000079.exe

  • Size

    573KB

  • MD5

    32a9bdf8ead718570533e627e2b0a15a

  • SHA1

    b831848f2be003c7ee06a46e51253807048acaaf

  • SHA256

    92aca1894f0493a26dde546c3c9e377be17244b01ee1145a48b997fb56c5e6b0

  • SHA512

    7c2e33a1917ee5546106c28b40e8bb9edffbe2ac0fb26ef54925886ffc58a9a0598bcb87c00f14226ee4a2b261512a293e3c43d2cd548bca1e0fad9c2923ce11

  • SSDEEP

    6144:ztOD8+cFpaN3KayBY7BEK/DKjP92YltDsEojYGj3Y8v0AAYT91h:ztODQnXYJ/DwlP3qY80Sb

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe
    "C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GekHFl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E83.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe
      "C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe"
      2⤵
        PID:2796
      • C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe
        "C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe"
        2⤵
          PID:2672
        • C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe
          "C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe"
          2⤵
            PID:2776
          • C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe
            "C:\Users\Admin\AppData\Local\Temp\PO PJS-4000079.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2092

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2092-24-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-23-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-14-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-27-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-15-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-21-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2092-16-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-28-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-26-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2092-12-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2092-19-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2244-6-0x0000000005250000-0x00000000052B0000-memory.dmp

          Filesize

          384KB

        • memory/2244-1-0x00000000001C0000-0x0000000000256000-memory.dmp

          Filesize

          600KB

        • memory/2244-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2244-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

          Filesize

          4KB

        • memory/2244-25-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB

        • memory/2244-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

          Filesize

          4KB

        • memory/2244-3-0x00000000004E0000-0x00000000004EE000-memory.dmp

          Filesize

          56KB

        • memory/2244-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

          Filesize

          6.9MB