Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 04:02

General

  • Target

    210366d4a3a26e2054f68303d496a7d7_JaffaCakes118.exe

  • Size

    384KB

  • MD5

    210366d4a3a26e2054f68303d496a7d7

  • SHA1

    ec1cd9889d6552ed7805f12dc9ca01e0a1aec6e8

  • SHA256

    3eb3b72914c651d93adfb6e82e2cd9efbec77117d18446b486b6e87db9630db6

  • SHA512

    e5d0751f9b453d4a19c74b494c67d48003528ba1356efb000c6e405526baf37dab7cc023749841b8b8f021199c249951d3732484e0ffab7410efb36fc995a8d4

  • SSDEEP

    6144:pZ2XN0gD4kkgSpKZlC1CjB71Ma5OqqBNDiAtblmrvVTYrCu71ivm776s4HU3oNLI:zMl0BgS0Zo8lyQIBN2At5mrdT071iG7o

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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies registry class 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 23 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\210366d4a3a26e2054f68303d496a7d7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\210366d4a3a26e2054f68303d496a7d7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\rlk.exe
      "C:\Users\Admin\AppData\Local\rlk.exe" -gav C:\Users\Admin\AppData\Local\Temp\210366d4a3a26e2054f68303d496a7d7_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3036
  • 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:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    384KB

    MD5

    210366d4a3a26e2054f68303d496a7d7

    SHA1

    ec1cd9889d6552ed7805f12dc9ca01e0a1aec6e8

    SHA256

    3eb3b72914c651d93adfb6e82e2cd9efbec77117d18446b486b6e87db9630db6

    SHA512

    e5d0751f9b453d4a19c74b494c67d48003528ba1356efb000c6e405526baf37dab7cc023749841b8b8f021199c249951d3732484e0ffab7410efb36fc995a8d4

  • memory/2536-0-0x0000000000240000-0x000000000024D000-memory.dmp

    Filesize

    52KB

  • memory/2536-1-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2536-2-0x0000000000401000-0x0000000000472000-memory.dmp

    Filesize

    452KB

  • memory/2536-3-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2536-13-0x0000000000401000-0x0000000000472000-memory.dmp

    Filesize

    452KB

  • memory/2536-14-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2640-33-0x0000000003A10000-0x0000000003A20000-memory.dmp

    Filesize

    64KB

  • memory/3036-19-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-27-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-16-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-20-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-21-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-22-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-26-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-18-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-28-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-29-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-30-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-31-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-32-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-17-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/3036-34-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB