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Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2024, 13:27

General

  • Target

    d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.exe

  • Size

    1.8MB

  • MD5

    7c405afe5b0a2fe12388ee14a0cdb580

  • SHA1

    207e829c868b7f1dd3d295f37fe6f4e20d59faa1

  • SHA256

    d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8

  • SHA512

    083aa3f303fcc438b6187ad3e9fcc5f4a0dc56e4aabdb670a0049829b505d774c8a4be5036e000ecc4a9b076b1514e21c6c47a0e919cf5ce44f97040ddb90241

  • SSDEEP

    49152:4mhjC5V9Wh3DVeqWCZzxrQGnXwSWBB+1f6o:KmzVeq9Odo

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.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:4884
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.exe"
      2⤵
      • Executes dropped EXE
      PID:212

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\d6d50028ec5de432c26a30233eb0f780ee7edf43bb05eee0b64bafedc5b747a8N.exe

    Filesize

    1.7MB

    MD5

    55a3a2fb1b9c16aff60df1426f3548d7

    SHA1

    7521124c9c892e6f6e9681caa242818acccc00fb

    SHA256

    d610523029fb075f0c61917f4533908c16c60f581752ea1ccfa8f1510daf3529

    SHA512

    87b9140174475d177d62610e147c06baf0cf91bcef36a04b723756d9c0d100612271a30facabec7edfbfdb1f2bda7d3317deb73e89256ff4b4c2215c6e49814e

  • memory/4884-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4884-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4884-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB