Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 13:16

General

  • Target

    0252fca26eb68158d368567026880343_JaffaCakes118.exe

  • Size

    373KB

  • MD5

    0252fca26eb68158d368567026880343

  • SHA1

    e46537ab3bbf1c8cbec5e363002a456e503afe75

  • SHA256

    4b9c61fa848816cfbce8f37df123cef7d797f90a9611fb3a973f389a6c46964e

  • SHA512

    ed286a83849a46f754a4ce9fe5947e7f5bbdd7d80c0e123d1b4264da27ff227a894d275cc8ffe155d4b8e876fd42cbcca0c4bcfcde99ef94fd830915e07a3fdd

  • SSDEEP

    6144:Tb5kM1JxYidoMWeEaPletfWWSvOhjuwpkoSbe0n/kCry6Ohk4bRdxTjgOCI9D:T5VPorl0kl3qO9fCoSbNn/k+BK+4

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0252fca26eb68158d368567026880343_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0252fca26eb68158d368567026880343_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\_delme.bat
      2⤵
        PID:5052
    • 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 --field-trial-handle=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
      1⤵
        PID:676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\_delme.bat

        Filesize

        212B

        MD5

        5b33305666b90e4b9a8b7b834797e8f2

        SHA1

        79aa6d723af547a2514dcd7d2136ad84ed787c7c

        SHA256

        e3a4dec6eba3f105f5099151d453851c24cc6e8975e2125d5400ac414fc0ab58

        SHA512

        f6446d893bc7d63b318782c5b54902bdbde8881ccf5fab800aab60f276c829260e80181dedac8a51c6873350fa022d9286624b39672190755720e6761847c043

      • C:\Windows\SysWOW64\FG2Catch1.dll

        Filesize

        200KB

        MD5

        a27846392dc10a7c5c5cde6406236bfe

        SHA1

        759f5fcb7ec5c617969f55c6a68e8efb506eabd8

        SHA256

        11add83d3b4a164ad5e51c26902d0a0e015f0f65b4f4f93988939632f706ad8d

        SHA512

        edaf420a4cd6804d3f424a282bd00df40ef4d15d34700bf0221b94f7e4c6193944295163365cec2e2114009a4f6044fa0962d3b25ee8fc8949a268c4d5ea8f5c

      • memory/348-0-0x0000000000400000-0x00000000004E3000-memory.dmp

        Filesize

        908KB

      • memory/348-1-0x00000000007B0000-0x00000000007B1000-memory.dmp

        Filesize

        4KB

      • memory/348-13-0x0000000002430000-0x00000000024B7000-memory.dmp

        Filesize

        540KB

      • memory/348-15-0x0000000000400000-0x00000000004E3000-memory.dmp

        Filesize

        908KB

      • memory/348-14-0x0000000002430000-0x00000000024B7000-memory.dmp

        Filesize

        540KB