Analysis

  • max time kernel
    129s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2025 02:28

General

  • Target

    JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe

  • Size

    547KB

  • MD5

    09302865445ef9634914a8bda1f57d4e

  • SHA1

    c05200f1af1d7fb18ffd1ce4f04a189050727391

  • SHA256

    2fe23c9a768d9787b9c4020e847350c31938ca5ce7c207f6200a8ea875703e20

  • SHA512

    3e0d8f1be4ab1420a846f9d637f3fbe58543deb7a22f1268216267383252aaa26ab6b6cd702f90496017b36b2d73aea739c4678c780866e057693b13db40154a

  • SSDEEP

    6144:pGxhLFwIjcvKH8mft8KJp7DjwwyTWr8PecTHBkwrc2lg0GuUL0SWKIxbZODNldm:YdXYKLFjJWecTqwIGGuUWKEbZOp

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qC>W#3um

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 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 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1560
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
      2⤵
        PID:2804
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
        2⤵
          PID:2448
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09302865445ef9634914a8bda1f57d4e.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2440

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1560-20-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/1560-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/1560-0-0x000000007443E000-0x000000007443F000-memory.dmp

        Filesize

        4KB

      • memory/1560-3-0x0000000000330000-0x000000000033E000-memory.dmp

        Filesize

        56KB

      • memory/1560-4-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/1560-5-0x00000000049A0000-0x0000000004A00000-memory.dmp

        Filesize

        384KB

      • memory/1560-1-0x0000000000E20000-0x0000000000EB0000-memory.dmp

        Filesize

        576KB

      • memory/2440-6-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-21-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-19-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-14-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2440-10-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-8-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-16-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-18-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-7-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2440-22-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-23-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-26-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2440-27-0x0000000074430000-0x0000000074B1E000-memory.dmp

        Filesize

        6.9MB