Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 07:15

General

  • Target

    ef4d5740e0152c792d763c4053d4e861_JaffaCakes118.exe

  • Size

    3.5MB

  • MD5

    ef4d5740e0152c792d763c4053d4e861

  • SHA1

    7287802b40e87e93e444cc72d6e4857454ac503b

  • SHA256

    4c6fa8e3c0514082d364d995f157d5f4b3d9f2339aed47006eae23fe3025f530

  • SHA512

    d79f1c9ad2216f67b930a1c36f9d306fa29c98abeb13dd8f5999cc31bae839ed1153d9161a9eb18211361af613c4e585e604243735fe342ce9ddca912de9fd0a

  • SSDEEP

    49152:fpJqZcTjVVZJRjDhQzfTKbf1uR/L3eiFD0ENV9JZ5QLX5qoEFZpA1yVL:fnqE1h6bKgR/ztz98pqoEFvayVL

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef4d5740e0152c792d763c4053d4e861_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef4d5740e0152c792d763c4053d4e861_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\spltmp.exe
      "C:\Users\Admin\AppData\Local\Temp\spltmp.exe" 1000 0 C:\Users\Admin\AppData\Local\Temp\spltmp
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsrC90F.tmp\InstallOptions.dll

    Filesize

    12KB

    MD5

    4c7d97d0786ff08b20d0e8315b5fc3cb

    SHA1

    bb6f475e867b2bf55e4cd214bd4ef68e26d70f6c

    SHA256

    75e20f4c5eb00e9e5cb610273023e9d2c36392fa3b664c264b736c7cc2d1ac84

    SHA512

    f37093fd5cdda74d8f7376c60a05b442f884e9d370347c7c39d84eca88f23fbea6221da2e57197acd78c817a74703c49fb28b89d41c3e34817cc9301b0b6485a

  • C:\Users\Admin\AppData\Local\Temp\nsrC90F.tmp\ioSpecial.ini

    Filesize

    736B

    MD5

    3c770acf979c1da201ca1e994e8b22b3

    SHA1

    4ac3499569357c873aed4ea1d5cd709e6d8af53c

    SHA256

    c1ef2d0e65386c4ab672b4131a793ed380c93aba474f53a654121ad784de0592

    SHA512

    d9b893ba444d865bad4c2c5abcfb18b0dc64390b5b49562c03b5c3ee76a99d17f802a4b8ac38151169896716c802521fbcd6ed4e7798f8b379c65e912af593f0

  • C:\Users\Admin\AppData\Local\Temp\spltmp.bmp

    Filesize

    64KB

    MD5

    b795ad19015a3f113c50c4eb1d2504c1

    SHA1

    6c018b16f92e0d960366d439cb891ee7fabeb2f1

    SHA256

    ade2621f3f16a0466e6c59ccc3e94d43ffb3fe2e338d2ab4e3cb087dc327946b

    SHA512

    09d93bc584569d46fb7ad75f9b68c469d43cf7861a10713bd27e325c5c9f6294a650de7bda135d49fbcd4f0fb1c9f3d4db9ca14eb693a23ac753ea155c321faa

  • C:\Users\Admin\AppData\Local\Temp\spltmp.exe

    Filesize

    3KB

    MD5

    4309709918dfd62cb3688b21bd5da293

    SHA1

    c568d498b5421128d99caaa7f5626e79e624f540

    SHA256

    3878d20e425de5cb7765b6a65869253ba96932e7d0d29e39e4bb2b20eb13fcb7

    SHA512

    7571f3d1b454100c8a2081cd1c2d15764aedfe131256df12dee47da602af9b09d2ba717572502a450f2dd9940ffad4610effebd46816a856c49d72117a752962