Analysis

  • max time kernel
    124s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 01:11

General

  • Target
    0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992.exe
  • Size 774KB
  • Sample240604-bkbfrsfh8w
  • SHA256 0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.akrilux.hu

  • Port

    587

  • Password

    Corian@19

Extracted

Family
  • agenttesla

Credentials

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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992.exe
    "C:\Users\Admin\AppData\Local\Temp\0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992.exe
      "C:\Users\Admin\AppData\Local\Temp\0da847ceeafbdfa51762c0242ac5cea6ee3354a05928078f4545d2fe105d9992.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1232-9-0x0000000000800000-0x0000000000842000-memory.dmp

        memory/1232-16-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/1232-15-0x00000000064F0000-0x0000000006540000-memory.dmp

        memory/1232-12-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/1232-11-0x0000000004E70000-0x0000000004ED6000-memory.dmp

        memory/1232-10-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/3716-4-0x0000000005390000-0x000000000539A000-memory.dmp

        memory/3716-8-0x0000000005450000-0x0000000005458000-memory.dmp

        memory/3716-7-0x0000000005600000-0x000000000569C000-memory.dmp

        memory/3716-6-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/3716-5-0x00000000053D0000-0x0000000005440000-memory.dmp

        memory/3716-13-0x0000000074F70000-0x0000000075720000-memory.dmp

        memory/3716-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

        memory/3716-3-0x00000000052E0000-0x0000000005372000-memory.dmp

        memory/3716-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

        memory/3716-1-0x00000000007B0000-0x0000000000878000-memory.dmp