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
    25-11-2024 20:44

General

  • Target

    9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.exe

  • Size

    412KB

  • MD5

    3948f31471d617bcc6fec061eb3d0b50

  • SHA1

    ea0f8361a1c07043e1e621597f792d60a617c62f

  • SHA256

    9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefb

  • SHA512

    dbef6162ee069ccb03d2f2f4e132dd26a3577f653d435739d090d3543e09b28af9c6a572a76b82dc624c511380dafec24e213fc31d1767ae12467d468d840f4a

  • SSDEEP

    6144:k92eDEAOvvQg5ne4smxgHJMga2GbOoh0oD1vcMnpZ07pDnt:x82vvQgtEmxrbOobtnMFJ

Malware Config

Signatures

  • Detect Neshta payload 5 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\9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.exe
    "C:\Users\Admin\AppData\Local\Temp\9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.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:3772
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.exe"
      2⤵
      • Executes dropped EXE
      PID:3452

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\9c9513cfb83e8b63446a0c9451504b09ce8ff058b1207a30c0a6ad2e05f7aefbN.exe

    Filesize

    371KB

    MD5

    7723319891381c02a7af5a7b91da34cd

    SHA1

    211d63e26bd87556e91ec5473aad14949d1956c3

    SHA256

    14cd9daa4cd28675b242a15ce5ed2a9be084fd399833f47ddd4d85666938f946

    SHA512

    baeceefc358d2f2bad717cc3356c7da316cb162e754722eae5da849242b6dccfe4f40b94a204f5aa2c47f69465770e3cdd8305f7d176d0f62d9b2629e9c054b9

  • memory/3772-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3772-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3772-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3772-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB