Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2024, 18:37

General

  • Target

    563666da5f4e5596040e6c5ba17912f3_JaffaCakes118.exe

  • Size

    664KB

  • MD5

    563666da5f4e5596040e6c5ba17912f3

  • SHA1

    25090acc20c128e555e9b8922031fb4c02e00057

  • SHA256

    8eebab330cd854bb3f426712bef9c2516abac5eb9ccab2f94139c0cd0dca6097

  • SHA512

    95fd8c64acb431d8837f8e7122f8412eca11fa2b6047c74d70d3c224733e4b5dc6b465de7acb3d94f79734f139faacc5407cf124269543ec39286a109899b0e7

  • SSDEEP

    12288:ZBhOhC0dVK5O/BpfGSH/EWVhCCx5HkPbJYLMftn:05h/JH/E4CC3HkPnFn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    frostdell.uk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\563666da5f4e5596040e6c5ba17912f3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\563666da5f4e5596040e6c5ba17912f3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\563666da5f4e5596040e6c5ba17912f3_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2648

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2648-5-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2648-23-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2648-22-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2648-21-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2648-6-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-8-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-17-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2648-7-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-11-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-13-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-15-0x0000000000400000-0x000000000044C000-memory.dmp

          Filesize

          304KB

        • memory/2648-20-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2648-18-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2712-1-0x00000000010F0000-0x000000000119C000-memory.dmp

          Filesize

          688KB

        • memory/2712-16-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2712-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

          Filesize

          4KB

        • memory/2712-3-0x0000000074B30000-0x000000007521E000-memory.dmp

          Filesize

          6.9MB

        • memory/2712-4-0x0000000000E90000-0x0000000000EE4000-memory.dmp

          Filesize

          336KB

        • memory/2712-2-0x0000000000330000-0x0000000000338000-memory.dmp

          Filesize

          32KB