Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 05:01

General

  • Target

    206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0.exe

  • Size

    643KB

  • MD5

    c45c19b5790cf57045ce3f8222c412f2

  • SHA1

    818996bc52b3ff2d17620bb8d4902d80e7643ab6

  • SHA256

    206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0

  • SHA512

    b87a5db0dbc25ff7b9331598607f6bca602e8167cb002adfd123d541665ff7c8fd0b88a68a990f33e3f28926b7bb2918e4054d6c1924a2eb0b42788d4e588107

  • SSDEEP

    12288:wY5qjl5sV3opXxW603Hioen6ZH6i4bgc6ZLXgf4Kx6IF0TGLqk98h:wY5mvXUH30n656iXD6GIFlrO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gosportz.in
  • Port:
    587
  • Username:
    sales@gosportz.in
  • Password:
    Ss@gosportz
  • Email To:
    cintronp44@yandex.com

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0.exe
    "C:\Users\Admin\AppData\Local\Temp\206b4b5ab8a00697a7161de7822d5235e4f9d913e57e503673cc0437c2ddceb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4180
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:740
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4008

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2592-6-0x00007FFD3FA40000-0x00007FFD40501000-memory.dmp
        Filesize

        10.8MB

      • memory/2592-1-0x00007FFD3FA40000-0x00007FFD40501000-memory.dmp
        Filesize

        10.8MB

      • memory/2592-2-0x000001F8A8890000-0x000001F8A88A0000-memory.dmp
        Filesize

        64KB

      • memory/2592-3-0x000001F88FF70000-0x000001F890006000-memory.dmp
        Filesize

        600KB

      • memory/2592-0-0x000001F88E1B0000-0x000001F88E1C2000-memory.dmp
        Filesize

        72KB

      • memory/4180-8-0x0000000005110000-0x0000000005120000-memory.dmp
        Filesize

        64KB

      • memory/4180-5-0x0000000074770000-0x0000000074F20000-memory.dmp
        Filesize

        7.7MB

      • memory/4180-7-0x0000000005600000-0x0000000005BA4000-memory.dmp
        Filesize

        5.6MB

      • memory/4180-4-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/4180-9-0x0000000005220000-0x0000000005286000-memory.dmp
        Filesize

        408KB

      • memory/4180-10-0x0000000006500000-0x0000000006550000-memory.dmp
        Filesize

        320KB

      • memory/4180-11-0x00000000065F0000-0x0000000006682000-memory.dmp
        Filesize

        584KB

      • memory/4180-12-0x0000000006780000-0x000000000678A000-memory.dmp
        Filesize

        40KB

      • memory/4180-13-0x0000000074770000-0x0000000074F20000-memory.dmp
        Filesize

        7.7MB

      • memory/4180-14-0x0000000005110000-0x0000000005120000-memory.dmp
        Filesize

        64KB