Analysis

  • max time kernel
    104s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 19:46

General

  • Target

    JaffaCakes118_95bf218a4d08d72483cd40d6f18d1b39.exe

  • Size

    174KB

  • MD5

    95bf218a4d08d72483cd40d6f18d1b39

  • SHA1

    df134039924b97b5bd1f32493ac72e4c896ed298

  • SHA256

    f1d8a37fee546c4e5145246b63e2874b8afac160dec0df27f6f7e0be5d310ef1

  • SHA512

    96421ebe3d656874e289a374fa533166732d68b62a073f4ab19ab9d87df8abf316012cbd5554e63cd1d11282234ca745d70672ae1fde9b53cc6de38d27227441

  • SSDEEP

    1536:JxqjQ+P04wsmJCYvnVL14z+eD6q3mT3xkpj9bRXrW+6EBCj0rlbtKP6V:sr85CYvnVaz+eJ3lZbRXq+337N

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_95bf218a4d08d72483cd40d6f18d1b39.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95bf218a4d08d72483cd40d6f18d1b39.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:4128
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_95bf218a4d08d72483cd40d6f18d1b39.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_95bf218a4d08d72483cd40d6f18d1b39.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3444

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_95bf218a4d08d72483cd40d6f18d1b39.exe

    Filesize

    133KB

    MD5

    53dca61931847e35c950504bfb7559c6

    SHA1

    77ebe7dfe708cf7cf11f213611e2e452a1c5f12f

    SHA256

    3f57ce29b52d32f7061407b63c4a9786f5b623e9f9f1121b02182de044110d08

    SHA512

    67076abe671935b72fd2b99b18e31a10011fa057151f2f5bf60238e5eaa11dac3473d47fd968225ba5f549625663f24b66585b8c7734cac70f2230aa600f03dd

  • memory/3444-12-0x0000000073792000-0x0000000073793000-memory.dmp

    Filesize

    4KB

  • memory/3444-13-0x0000000073790000-0x0000000073D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3444-14-0x0000000073790000-0x0000000073D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3444-136-0x0000000073792000-0x0000000073793000-memory.dmp

    Filesize

    4KB

  • memory/3444-137-0x0000000073790000-0x0000000073D41000-memory.dmp

    Filesize

    5.7MB

  • memory/3444-139-0x0000000073790000-0x0000000073D41000-memory.dmp

    Filesize

    5.7MB

  • memory/4128-140-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4128-141-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4128-143-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB