Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 06:23

General

  • Target

    JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe

  • Size

    217KB

  • MD5

    4a6360a8bdcba6b21fe68f72f0a42a8e

  • SHA1

    5b735b323bb7c0e2e5640b9c44a15e77d5397084

  • SHA256

    12c36a87a0ea51d0de829fa77ff1c87044ef3c4115649a69706618568d0fe5c6

  • SHA512

    2ac0504ce0869ab9fe2e66e959abf2d455cda0c1533bcab80b157933d963d3746230a00608c2ef1edc86a638689b59a2cdd4237d0cb2981448f84e6b4cb91257

  • SSDEEP

    3072:sr85CBewKAZuo1aGSrZtxm+H7PfYvFkFktB1xdjzVjcKxtv13FZO0kG6Zu4s2MKs:k9BcToEGS/4+H7PAveCbXdjRt+9ZywxK

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

          Filesize

          86KB

          MD5

          3b73078a714bf61d1c19ebc3afc0e454

          SHA1

          9abeabd74613a2f533e2244c9ee6f967188e4e7e

          SHA256

          ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

          SHA512

          75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

        • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_4a6360a8bdcba6b21fe68f72f0a42a8e.exe

          Filesize

          176KB

          MD5

          129d24512f67fb448ed66b6938badb9b

          SHA1

          a2ee94cb4db41941305c5a71dea67b6d35fd630d

          SHA256

          f639eae2fb100fc80deb9dc3d0c5febb303bb6962544d577790888edd4cbf096

          SHA512

          bfabecb40f8899effb541ff24fa4ea45ff7a4a4b0c486994007ed10abdcacd78c3e75cd11119638cf7cd7f8342dd18d3e9127b3e187f965aa1fbf2622ef7804c

        • memory/3536-8-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/3536-94-0x0000000000400000-0x0000000000494000-memory.dmp

          Filesize

          592KB

        • memory/4264-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4264-95-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4264-99-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB