Analysis

  • max time kernel
    96s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 21:28

General

  • Target

    2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.exe

  • Size

    171KB

  • MD5

    08e174ee46244a0dedc08b6f7a2a6e00

  • SHA1

    89355fd3cdce4dad8f3318a8afbff2c38004c20e

  • SHA256

    2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64

  • SHA512

    91d9f3513cdb2f4ccc8c6d70c96e613d73f5341fa4a01a26be6f19c872e12386d3c3b4773d43dbf4bb4396d95deef9284e8daf688b64f1e1f240a6e8df519066

  • SSDEEP

    3072:sr85CfZPfA76lZFkvEN5KVY904SIYdTZFkvEN5KVY904SIYdD:k9fR2OvkvEN01TvkvEN01D

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 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\2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.exe
    "C:\Users\Admin\AppData\Local\Temp\2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.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:836
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5076

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\2f444012e9d3dc2a26fe1805122274638b41f3b52cd58d4dc45a7bf9816a0d64N.exe

    Filesize

    130KB

    MD5

    8e9812c766ae3c432850e780d1a98b79

    SHA1

    b818aee2f8d0261d29c02a0d8f140a0b27380c49

    SHA256

    017259d0b0ab098345062fb3858e98726117b2009a34af7d7d0f1562c175acb9

    SHA512

    e9badd2cbdf42faf2501b6801101430f135fae40e8b78d8599dfe48d5a099dc60b9ba8f58d8083676705578d314bcf698ac48a9280888970beedd9f2bafbe34e

  • memory/836-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/836-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/836-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/836-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB