Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 08:46

General

  • Target

    f5a162427a33530dafcb9238047794e7_JaffaCakes118.exe

  • Size

    356KB

  • MD5

    f5a162427a33530dafcb9238047794e7

  • SHA1

    d8be6bb4f72fc8bfd8347c3cecec556707b7c8f4

  • SHA256

    6184f67ad148cf24a8ae32bc72f35a72a29d4ff550d99bca06127c4da2879669

  • SHA512

    4b070db138a8b75f4092939b6b75e343038745efe2565d4a6caa0be95878650ee5b30bf0b38a0acc1ed286906c4d62edaa6b1dfb9f66fbe2ec6249f683b598d5

  • SSDEEP

    6144:ccQ5xCanyOtSFKrLl4oAntKZ4JuiMMPMAkNZLdiJp:ccQWOtSFKSntKKMMDKJ

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 17 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 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.

  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5a162427a33530dafcb9238047794e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5a162427a33530dafcb9238047794e7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Users\Admin\AppData\Local\jfq.exe
      "C:\Users\Admin\AppData\Local\jfq.exe" -gav C:\Users\Admin\AppData\Local\Temp\f5a162427a33530dafcb9238047794e7_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system executable filetype association
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2740
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\jfq.exe

    Filesize

    356KB

    MD5

    f5a162427a33530dafcb9238047794e7

    SHA1

    d8be6bb4f72fc8bfd8347c3cecec556707b7c8f4

    SHA256

    6184f67ad148cf24a8ae32bc72f35a72a29d4ff550d99bca06127c4da2879669

    SHA512

    4b070db138a8b75f4092939b6b75e343038745efe2565d4a6caa0be95878650ee5b30bf0b38a0acc1ed286906c4d62edaa6b1dfb9f66fbe2ec6249f683b598d5

  • memory/2740-19-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-30-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-35-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-34-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-15-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-33-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-32-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-18-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-17-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-23-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-31-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-22-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-21-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-24-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-28-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/2740-29-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3064-0-0x0000000000240000-0x000000000025B000-memory.dmp

    Filesize

    108KB

  • memory/3064-2-0x0000000000401000-0x0000000000472000-memory.dmp

    Filesize

    452KB

  • memory/3064-13-0x0000000000401000-0x0000000000472000-memory.dmp

    Filesize

    452KB

  • memory/3064-14-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3064-1-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3064-3-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB