Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 05:35

General

  • Target

    ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe

  • Size

    555KB

  • MD5

    4a3adf56a1c218667fb211f32b7f69f0

  • SHA1

    c0b4b89bc56ebebd065143706c5151acb4dc273b

  • SHA256

    ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3

  • SHA512

    655b638fb51c4b524e8ae0c25a66a1e1528997277cfb940ed3e3354a904f4636acdf95998059c41a8bd330554967db2e2927f77a08249c2a9092c82916f6a942

  • SSDEEP

    12288:9Iv2PeISnhsE6vwRZVx4mDlnyKVJ42MVy5WgPMsGWA0OTgJeJ:WieIlPvwRhwKI7utksG7hkJ

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hospitalveterinariosur.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HospitalVeterinarioAlSur2018

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 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
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe
    "C:\Users\Admin\AppData\Local\Temp\ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe
      "{path}"
      2⤵
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2016
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:3484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\ce81c9965b8852eee4df2bd7cc77cf589554943fa47766d07bd8bae6d16d7ce3N.exe.log

      Filesize

      667B

      MD5

      fad44290d2f569240416a287677a6b34

      SHA1

      0799266664e37852987cc24398f9a70c7e56742b

      SHA256

      e955c99499359471526e95c22a084d1578997c39ecab988badf6798cfbd995b0

      SHA512

      ee4136ac147d41646368eeb16390598c1da2b9e3bb8331b43062a72e4ad1d05eec56dcc727f9b5b447756c3edc855b08ef0c241073a5f88e749714f2beb98bc3

    • memory/1876-3-0x0000000074F52000-0x0000000074F53000-memory.dmp

      Filesize

      4KB

    • memory/1876-2-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/1876-0-0x0000000074F52000-0x0000000074F53000-memory.dmp

      Filesize

      4KB

    • memory/1876-4-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/1876-1-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/1876-8-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-5-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/2016-9-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-10-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-11-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-12-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-13-0x0000000074F50000-0x0000000075501000-memory.dmp

      Filesize

      5.7MB