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Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 09:09

General

  • Target

    b2e218a3f19f4afa0c512f2997614fe2_JaffaCakes118.exe

  • Size

    80KB

  • MD5

    b2e218a3f19f4afa0c512f2997614fe2

  • SHA1

    f6a06212ba13cf37390482673ec4837927485056

  • SHA256

    43a3f2d648c97222b0c7ca7c29c31f400ff838216fa2b9d60c5ad65d7de510c6

  • SHA512

    f4891adfe3454383d02196fb31ea0d7c76f8e98339a2ba71693e5de090218321c8b6a394263cd2d61d5061e1dc406c1424f7334efbe32a8e5cf382c67d179156

  • SSDEEP

    768:u0gA00VzQGVjHovQ/o/THkbAqs3OfKDHGlHRJ6WP037/9UTRNdtEAx4Yk2IFrmb/:u0TbjH2oQ+RJ6W4UVtnxgRW7N4ESah

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2e218a3f19f4afa0c512f2997614fe2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b2e218a3f19f4afa0c512f2997614fe2_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\nuoiv.exe
      "C:\Users\Admin\nuoiv.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
      • Suspicious use of WriteProcessMemory
      PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\nuoiv.exe

    Filesize

    80KB

    MD5

    92fd0c1a2a4b8b1e42643cc0eb557c92

    SHA1

    70f0cd16387ac82ba3427bff2533de4d07c02b8a

    SHA256

    92cf7d017ce6083d8c31393740e83cb9c974741fe52ba7381656add57430f99b

    SHA512

    549ba600ce1818521c12942487ef92e5d955d0cb4ee7082b87a1773e43ab2e61ea90cc3bbd071a641d8559a601a78522140d30f32e68705150f54850e9b58c69

  • memory/2620-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2620-14-0x0000000003930000-0x000000000394C000-memory.dmp

    Filesize

    112KB

  • memory/2620-13-0x0000000003930000-0x000000000394C000-memory.dmp

    Filesize

    112KB

  • memory/2620-20-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2620-21-0x0000000003930000-0x000000000394C000-memory.dmp

    Filesize

    112KB

  • memory/2620-22-0x0000000003930000-0x000000000394C000-memory.dmp

    Filesize

    112KB

  • memory/2828-16-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2828-23-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB