Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    06-09-2024 04:26

General

  • Target

    cea6926b9d79a67763f2990bf2afbccc_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    cea6926b9d79a67763f2990bf2afbccc

  • SHA1

    a35aba857742bb77324d9827bb818c61719aba24

  • SHA256

    7ba27ee3f68c84c01ea2dda980870ad1b26417af3cb272ac04ad8a3857e8dc6e

  • SHA512

    9e675309e9813ac4d6a96c52e3f9d5c13ae47cad3ec4d4c1c3c3920ecce3f46d0afa0932d856be2644621023bee011729bab3836c5e0f58868884f525980bc52

  • SSDEEP

    24576:ru6Jx3O0c+JY5UZ+XC0kGso/WaDMCjFbux2ZSXLiMvux68BWY:FI0c++OCvkGsUWaDeY

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla payload 3 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Drops startup file 1 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.

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 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\cea6926b9d79a67763f2990bf2afbccc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cea6926b9d79a67763f2990bf2afbccc_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2720-4-0x0000000000090000-0x00000000000EA000-memory.dmp

    Filesize

    360KB

  • memory/2720-6-0x0000000000090000-0x00000000000EA000-memory.dmp

    Filesize

    360KB

  • memory/2720-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2720-13-0x0000000000090000-0x00000000000EA000-memory.dmp

    Filesize

    360KB

  • memory/2720-12-0x0000000000090000-0x00000000000EA000-memory.dmp

    Filesize

    360KB

  • memory/2720-14-0x0000000077A10000-0x0000000077BB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2736-3-0x0000000077A10000-0x0000000077BB9000-memory.dmp

    Filesize

    1.7MB