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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 16:15

General

  • Target

    8b0d9bcef6bc8c79a58a001097a4a404_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    8b0d9bcef6bc8c79a58a001097a4a404

  • SHA1

    a7dd8637e3c70916ce41b062956c616c608840ed

  • SHA256

    95ef16a3bd84269df8cd46b7997c692071bf30221d1839da3306a043291ffa03

  • SHA512

    fe36f2eb7eb5547d6974881fd050568a87e6e7ca5d9b3fb48501e9107c5b99a773d4e2bf483e5ddb97b23d9019335e74baf205c29b7575977cfdd82b9aefec85

  • SSDEEP

    1536:f1EPehwR8uBxeDtMYHa27J14ltxporZ45iMNeG0h/y:tEPehwR8keV6gJ1uCt45eq

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b0d9bcef6bc8c79a58a001097a4a404_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8b0d9bcef6bc8c79a58a001097a4a404_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Users\Admin\nuhel.exe
      "C:\Users\Admin\nuhel.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\nuhel.exe

    Filesize

    124KB

    MD5

    c309b5f4113170a4c1ca681601ba9bc5

    SHA1

    65a48db8209cd3c9b63b34cb3ddeef9acabafa50

    SHA256

    7c1fe8a29bc08f728e3e365d617b38612fc9c80847b899a1c97054870aac3290

    SHA512

    15d496a352494045f7a5146338ee85499c7723792e9606b831233ad951c5a9781a44907c3a33b7d265d490f7eadf60dc7d0b53f8daaa4eae9aa304aa085c3163