Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 06:00

General

  • Target

    JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe

  • Size

    359KB

  • MD5

    330dcf8b1f07ddac36629a65dbe49ac9

  • SHA1

    f84f59a34bf48a423b6bce5e08bfa4e8103c18bc

  • SHA256

    41a2f0d2e15d313a80bef0fde0dd22adee875c6c6aeaccd4e2315af18c9bf101

  • SHA512

    43388c973c2db5d782bd72a22f2a19bf358889198e8f1f05ba598a7412972bfe5b5d181864cb8f30e973cf565f27cad480e7797b51803c07b06b4afd707e26a1

  • SSDEEP

    6144:k9FztYabOmaEa1r3JHHwe3PfcKrKywz/0K9fqUme9fqUm3:GYaSrYWdGyS0K9fqs9fqx

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_330dcf8b1f07ddac36629a65dbe49ac9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.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:3824
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_330dcf8b1f07ddac36629a65dbe49ac9.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4900

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_330dcf8b1f07ddac36629a65dbe49ac9.exe

    Filesize

    319KB

    MD5

    bb06d442f1e67fe8098902de09870a3a

    SHA1

    2dc823ee61a7b553cd894506092af12a4decc00d

    SHA256

    dfb919955f82a488d094657a3ab315cd6a70400a418dd1bd08e1bff1397e03be

    SHA512

    0766e74e4cebf7795a9c68e3174c6896259e7575f6beb6d074daa80edb3f2b2e6d5f3555632c30dfeb98c949529efd5b453ca7fe91661dd6c5d98095fb0df226

  • memory/3824-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3824-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3824-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB