Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 04:29

General

  • Target

    9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe

  • Size

    745KB

  • MD5

    e02f0288f2a8bdaa1f12a3d5e9d5b2e0

  • SHA1

    fc8212cbc35050149da2fd499022e4572df908a1

  • SHA256

    9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4

  • SHA512

    a41a7aa7c7bc86b957040f23302fad4c9ff1fa14518cda80ccd0bcb7aad8f4a67445dec40c6d1a0231e3b00a808badde44eebd9e6e3ef6ddd400b475890e0740

  • SSDEEP

    12288:spUFRUgC6xu63uGNzcwC6GwWsRrA2SMgbbd5wDBp0ZUXaSmW6wE:spaRU2xPuGNzysibbd5wDBp7XK

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\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.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:3408
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3172

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\9c4d6094cc1403617cfab2910cfb984afa8e50324b39b2ea6314e0c1aa8c53c4N.exe

    Filesize

    705KB

    MD5

    b6f06ba064468a01280b2da1ebc08d79

    SHA1

    9b252465a333c03d72b002269b65e5dabceb2352

    SHA256

    38fc0af4e16fe1ad61c57b8cf97ce693d785e1581dc312b58a0782d187249802

    SHA512

    d06ae33ed031c63758958f2d88ec660f94cbb8d0385b136687819208254380aeb9bfb902fda86f06e4e1d4c81cb3511d8ef9ef1d47d85c727d3ac14d12d2029e

  • memory/3408-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3408-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3408-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB