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
    31/12/2024, 07:09

General

  • Target

    JaffaCakes118_0a10ded46a7c3d02d06177f79d7688f6.exe

  • Size

    228KB

  • MD5

    0a10ded46a7c3d02d06177f79d7688f6

  • SHA1

    a4a3969b839b659104fd72a65d0e7f5546dfa51c

  • SHA256

    a287fcce290b35822652bcdbb2bfda9e084c3a2244b4fd211a7452fe9cbc349a

  • SHA512

    d748e3e3f9eaac5b7ef1105c9f78ab9f33bd253878b62ae0dbed126abdece6d3529090a95857f1503b5e21621e3227e0ccc925d7ecfd91a7c50e19c399cad235

  • SSDEEP

    3072:sr85C51YK/LLh1qUjc5spZAAqFuV6Z6hNo/MOmt5lKn2TM+m+i9XGdDQkl910ZpF:k95ysLl1NjLozZ8Nz4Ei9gDQUop7J

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_0a10ded46a7c3d02d06177f79d7688f6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a10ded46a7c3d02d06177f79d7688f6.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:1980
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_0a10ded46a7c3d02d06177f79d7688f6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_0a10ded46a7c3d02d06177f79d7688f6.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:916

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_0a10ded46a7c3d02d06177f79d7688f6.exe

          Filesize

          187KB

          MD5

          69c1efd9475d0065aa6ba8743bbb22fe

          SHA1

          967736c8583c787297c50f94066866a042862aa1

          SHA256

          73ba7fd53e5970098143fd533a153ddc27501304bd997784c9abf3959bc5a2b6

          SHA512

          fafc2c4b8c70b37c454c5028f41f9600c0faccf5508bf471e37f9eafb93d6881cd2b47b4bff5f2b553ac513fbb05181a6ea8ead15460ddcfb37193deacacece8

        • memory/1980-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1980-94-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/1980-96-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB