Analysis

  • max time kernel
    99s
  • max time network
    101s
  • 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 17:58

General

  • Target

    17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.exe

  • Size

    774KB

  • MD5

    6c4c0cac5de73be29a4607e5f32db6e0

  • SHA1

    0cf19e436fd690e79565c500ee61fbacac0d9796

  • SHA256

    17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bc

  • SHA512

    e3dae5ace5182afcf85fc8080d789601bcb0a9bd97efa5eed317cc8b4b7d97433709d7f95e8ec202b215aa085162f15d3ed01d453faa70f1f83ad83d917c9953

  • SSDEEP

    12288:+qmfRiUo/QxSjirRMad0yWi+V5vA0pYlcSSvkJy:KI4Sjaxd8jpp

Malware Config

Signatures

  • 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\17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.exe
    "C:\Users\Admin\AppData\Local\Temp\17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.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:3496
    • C:\Users\Admin\AppData\Local\Temp\3582-490\17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2276

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

    c324431305861add7ddf9186a9221bd9

    SHA1

    61855e1f81606f3cb336f842a1cdd697c7a40912

    SHA256

    f331213f5bcfed2a6dba0dc0c97b5b309c00b013dc47bdb4726d51cf2c274570

    SHA512

    4b532b2bf6eaf3f618bb08b0a6f7af88ce23d76df146b2d007d5a8224ea0463525a86aacc996468cd3a513404aa66cbc516ed27aa9bd142e46492b160d411dc8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\17892502d371cb843cc296f1ea62a6cf3336f5ca91fac1bc5c865349474750bcN.exe

    Filesize

    734KB

    MD5

    2ce0edc740991f38202a1816d6efddce

    SHA1

    f5691a0f9b5047b66e02ed931b0ce61050453419

    SHA256

    85efa527ca57e4de81036cff3cc078c9db894588ea67bcc072ca6602912cc217

    SHA512

    b248d46a6103c412d8855bfa7d6b42a7b9e14c9fa905113aa3c4b4f24908e3258e8d4da23c246e2673bb7c1afee3a52a8953d6202b110ef56e3364eac7811635

  • memory/3496-95-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3496-96-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3496-98-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB