Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 07:03

General

  • Target

    92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.exe

  • Size

    4.7MB

  • MD5

    828fe88947b73547a8b077cd93b9f1f0

  • SHA1

    9e032dea763f844dd9f72b350dbf7442e21e6ccd

  • SHA256

    92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4

  • SHA512

    7ee652bc7e86a82c2c158ca43937f2a7c868d6d58e6662e943eecebd9550e3911559e4e8e0248d6db7e34cb0f4ade44d2e1bc123a5c15b1d241f2ca14fa1d567

  • SSDEEP

    98304:xX1ZA1BP/OlsLzFmNfW6FJKxxfZA4d8aaNRQkZyZ1ARa:PZAD8dRQk4Z1ARa

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\92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.exe
    "C:\Users\Admin\AppData\Local\Temp\92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.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:4444
    • C:\Users\Admin\AppData\Local\Temp\3582-490\92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.exe"
      2⤵
      • Executes dropped EXE
      PID:8

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\92d81b983026114f92dc900fa51ff57f3481a25667fc519a3a2184bf3a1f91d4N.exe

    Filesize

    4.7MB

    MD5

    bdd93142b60130fd6ab32cccfd373f88

    SHA1

    19a8c2c18a2978e03e985acd43a94c4b8f9aeb10

    SHA256

    7708dcfe44c0ff56dc668eef8a04a4614cafde7504dace1b20bdb2d60db80822

    SHA512

    23ae841f435cbadb99a876d429a9d337635875c85ad066ece7c2a374bdbd9a7e2b7e99d33039a1816f5698f370083edbaff07afe9cbb41eef34f514bbdbf549f

  • memory/4444-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4444-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4444-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB