Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 17:08

General

  • Target

    f273f94233e9a6c880fb64abec8a0e72_JaffaCakes118.exe

  • Size

    715KB

  • MD5

    f273f94233e9a6c880fb64abec8a0e72

  • SHA1

    d77afa63550b8ee5850ca4426afa9c3ea50c2fdd

  • SHA256

    3edccf5383c7a7cac49e3908ca28a619071df60959a7d59be96e714e0d69e30f

  • SHA512

    cb8dc22224a29ba81ba48877de2d3d4d27f3fd98cd45d608a3bb5284cc6c03a5afa68928aa14855eb4ab7d6e7d1b9c1158bc46c890e66f74a2a03d1e372df375

  • SSDEEP

    12288:ToWlkPkNxk27FFoh5DIJASCz0/6Aqf1c+mDxD9d8T4/E9ongp5Vz2CsfsgvFLbJn:Tw0FcDiJ20/

Malware Config

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f273f94233e9a6c880fb64abec8a0e72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f273f94233e9a6c880fb64abec8a0e72_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\f273f94233e9a6c880fb64abec8a0e72_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f273f94233e9a6c880fb64abec8a0e72_JaffaCakes118.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:1480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1028-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/1028-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-3-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-4-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/1028-5-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-9-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-6-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1480-10-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-8-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-11-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1480-12-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB