Analysis

  • max time kernel
    95s
  • max time network
    97s
  • 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 23:43

General

  • Target

    81f52240dadcad8a59d9698e324f95f1fecfd3cb0d0ae148b14ff27740429202N.exe

  • Size

    774KB

  • MD5

    e5fd23f0128c7d9a452f61472a422730

  • SHA1

    fa411eb65b77e707282a4aa06a1d24fe0eb905c6

  • SHA256

    81f52240dadcad8a59d9698e324f95f1fecfd3cb0d0ae148b14ff27740429202

  • SHA512

    36398ce26fe9dc2e2e6df53144baa7745f490a4ddb93be4326f7a98520c9ccf3bedd3f90850d6e24fee08e731536a18e0f29376cfdc121cd1ac57fd5edd19ff7

  • SSDEEP

    12288:+qmfRiUo/QxSjirRMad0yWi+V5vA0pYlcSSvkJy:KI4Sjaxd8jpJ

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\81f52240dadcad8a59d9698e324f95f1fecfd3cb0d0ae148b14ff27740429202N.exe
    "C:\Users\Admin\AppData\Local\Temp\81f52240dadcad8a59d9698e324f95f1fecfd3cb0d0ae148b14ff27740429202N.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
    PID:1472

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\81f52240dadcad8a59d9698e324f95f1fecfd3cb0d0ae148b14ff27740429202N.exe

    Filesize

    734KB

    MD5

    abad55eb1f52c01dad11b283594b84ed

    SHA1

    c416ed3314b97cb768debd40a6663f277ab2bf57

    SHA256

    da5a49cecf603a1be318f58843bb20dc3f0d3b9119e6da6c10c90827f1f751de

    SHA512

    65c71517de6bdb06263ecaad4dd4b555a937cd59015e672555e296ee8ebdd59c7160cc547c9c410bcfb8fd4d6c98e63a0470b4cb8d8163f8ef2d30ac7162595b

  • memory/1472-93-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1472-94-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1472-96-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB