Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 15:50

General

  • Target

    araew.exe

  • Size

    69KB

  • MD5

    77bd81274a2c432284179bea00ea29c6

  • SHA1

    92d5d6b2bcc4b5e9903105d3593c1eb83f8c0edd

  • SHA256

    ea51a0a70ba6dd2f1b40c97fe8df313b9b7b0f49f172e3e925416c88049620af

  • SHA512

    a26d004bbe48d9c8cf6bdb95ef801a07ff431c8bbdbfcbc0b7b4458e4ba42c82be1945291cc180d2ef4fbe54cc07dbe7678fdf43be61fa2e09cfecf327decf54

  • SSDEEP

    1536:UhbuCqJfK4hzAFiYmIoiDCqM+JIeM7WdTzVPjd6JXBsWScdPI/F:yLOK4hzj1lqM+JIeM7WwJHP+F

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.amssealing.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ams@123%2029$

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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
  • Adds Run key to start application 2 TTPs 2 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
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\araew.exe
    "C:\Users\Admin\AppData\Local\Temp\araew.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\AppData\Local\Temp\araew.exe
      "C:\Users\Admin\AppData\Local\Temp\araew.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2204-2-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2204-7-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2204-6-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2204-5-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2204-8-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/2204-9-0x0000000000520000-0x000000000055C000-memory.dmp

    Filesize

    240KB

  • memory/2496-0-0x0000000000230000-0x0000000000232000-memory.dmp

    Filesize

    8KB