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Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 07:50

General

  • Target

    1a7f8f220eee6bb814863d019c484f26_JaffaCakes118.exe

  • Size

    39KB

  • MD5

    1a7f8f220eee6bb814863d019c484f26

  • SHA1

    367ba577744899e4fb23511fb6244ca0f7768925

  • SHA256

    ce71adbe8d4f70c0684af3a29ae89c6d0fa29d1552846622009ac608cd6ff25b

  • SHA512

    ebbd8d78701bc2f23a8c3cbcab25cf9f38128b329bd2ddff1fd540c0dd1578904c4851dd72984a77cf208a6546f9d0d0fd1d63e64368c08ae2b5a0ccd783178d

  • SSDEEP

    768:p/xZYHIYqC6Y7b9e6/Rf2kDYi2THQqbErxgpov:XZuPN7bRJtDp2zQqbErxg+v

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 35 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a7f8f220eee6bb814863d019c484f26_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a7f8f220eee6bb814863d019c484f26_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\
      2⤵
        PID:1452
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4024
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4620
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3860 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:5012

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/2920-0-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/2920-1-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB

        • memory/2920-8-0x0000000000400000-0x0000000000415000-memory.dmp

          Filesize

          84KB