Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2025, 16:40

General

  • Target

    JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe

  • Size

    226KB

  • MD5

    5c7539eb8bd4f1de9ee82d82fb579004

  • SHA1

    a14b51d2a28e6a87e1a70af3d1c509eb48e1ad29

  • SHA256

    4e201af7f5247616567a18647dac8dc88189e98ef7aba65990cf2f6190ddea1d

  • SHA512

    2d717942490de0aa5e01c01c44d2e982a725519e61dc4959c9147f8a959b3d212509b98734423d2b03b7bfb8d304043affd4b8c0d0cac0cd2ab33be084313e81

  • SSDEEP

    3072:T7lEsddl6ynhIgTbAp2AatRdTj4LQvrcfHfQDihV2s5ZKaBu0cKe48PIQNLfAahy:2gPAYZm0r4f7VbHu2x6HNca3LQ

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
  • Executes dropped EXE 2 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 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 19 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of WriteProcessMemory 20 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\JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\kcy.exe
        "C:\Users\Admin\AppData\Local\kcy.exe" -gav C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c7539eb8bd4f1de9ee82d82fb579004.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Users\Admin\AppData\Local\kcy.exe
          "C:\Users\Admin\AppData\Local\kcy.exe"
          4⤵
          • Executes dropped EXE
          • Modifies system executable filetype association
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2616
  • 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:2184

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          226KB

          MD5

          5c7539eb8bd4f1de9ee82d82fb579004

          SHA1

          a14b51d2a28e6a87e1a70af3d1c509eb48e1ad29

          SHA256

          4e201af7f5247616567a18647dac8dc88189e98ef7aba65990cf2f6190ddea1d

          SHA512

          2d717942490de0aa5e01c01c44d2e982a725519e61dc4959c9147f8a959b3d212509b98734423d2b03b7bfb8d304043affd4b8c0d0cac0cd2ab33be084313e81

        • memory/1324-12-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-9-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-20-0x0000000000900000-0x0000000000939000-memory.dmp

          Filesize

          228KB

        • memory/1324-8-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-5-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-1-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-3-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1324-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1324-21-0x0000000000900000-0x0000000000939000-memory.dmp

          Filesize

          228KB

        • memory/1324-24-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/1796-10-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/1796-0-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2468-36-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2468-25-0x0000000000400000-0x0000000000439000-memory.dmp

          Filesize

          228KB

        • memory/2616-75-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-77-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-40-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-71-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-70-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-73-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-38-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-74-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-76-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-37-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-80-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-79-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-78-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-81-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-82-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB

        • memory/2616-122-0x0000000000400000-0x00000000005F1000-memory.dmp

          Filesize

          1.9MB