Analysis

  • max time kernel
    94s
  • max time network
    138s
  • 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 14:47

General

  • Target

    e4b5de3475b9a82f4693fc34a7d8bbac60114a022892d128f8433bc43088b645.exe

  • Size

    437KB

  • MD5

    2d4140a704ebdd92fb4f1bae4622ac8f

  • SHA1

    80f2b15b5892109aa9b573bee5051a1f1f14e8bd

  • SHA256

    e4b5de3475b9a82f4693fc34a7d8bbac60114a022892d128f8433bc43088b645

  • SHA512

    75f106efec9c22900fde57936f157841bab9f0c9950f12e00f11d2b9366794c2b39b7cdbd3e9726ed369deee98adb7caaf6b2733e198e0c2cd0253a69e251a5f

  • SSDEEP

    6144:m9x88kp0nzMrq/5+bCrmiTVVmVVV8VVNVVVcVVVxVVVPVVlVVVRVVVtVVWV60jVH:NZp0nzMrjGxAsGC4fRnC

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\e4b5de3475b9a82f4693fc34a7d8bbac60114a022892d128f8433bc43088b645.exe
    "C:\Users\Admin\AppData\Local\Temp\e4b5de3475b9a82f4693fc34a7d8bbac60114a022892d128f8433bc43088b645.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:1724

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\e4b5de3475b9a82f4693fc34a7d8bbac60114a022892d128f8433bc43088b645.exe

    Filesize

    396KB

    MD5

    9f00efbc7aec4e3ad4960b17d4bd7236

    SHA1

    a5ef139942e9d5915858aeaf43fb1e82fe080a41

    SHA256

    69434a26e64494b8078bb9bf5f3ac3b1f6c70689ee2bc67c2c54036a744fd424

    SHA512

    edd33d061c73e0646007fc37bbd7a82471a4af271dc5924fa1e06f22a54cc1d9abfb5180151c0c57edc37542d2a242ff83290caf04b6d9c9eb317b2cf36a12fb

  • memory/1724-93-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1724-94-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1724-96-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB