Analysis

  • max time kernel
    148s
  • 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
    16-12-2024 19:43

General

  • Target

    0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.exe

  • Size

    964KB

  • MD5

    eac340816ae9932197fd6cc6da59224e

  • SHA1

    b1fd62359bbff474196f431ef8f594d40b6fc558

  • SHA256

    0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225

  • SHA512

    2815b6eec7042de4833bd932b9a50e59b02df718df286bec65bb26c775555f7961027a93f683593829e74c727e19ec7cd8a0980062d3eabed4b251ed35c6ab49

  • SSDEEP

    24576:8PgKGIBRRgkCSRFjLXmPCuqg4z+zAornj:hKGPkfRRVe4C7

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 1 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\0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.exe
    "C:\Users\Admin\AppData\Local\Temp\0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.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:3204
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.exe"
      2⤵
      • Executes dropped EXE
      PID:2352

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\0f1d4240a36c15367fc4a441288149d683f43eb05b1c2a60f642a4313296b225.exe

    Filesize

    923KB

    MD5

    ee10c920c3fdec33a236c35aaf561599

    SHA1

    8386e84fbaf7f12bd1a0240e1ea5aad44c2eab17

    SHA256

    33492ec4e7f1dbdcb3f08f76256d681e2ed72caf3dcd066717e5be277f8d0840

    SHA512

    0be081b20c0c23a36d33c57ca6c8674a980cbc67402c7bb4641e3c495ed675d90f3c471fae08891b11cec346949c58a496f77925e22e7fa975fed17f4c40f8c1

  • memory/3204-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3204-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3204-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB