Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2024 16:50

General

  • Target

    be5984a2f035ac72c79005d5870e42d73ab4ac0201562d90ed1faef865026fac.exe

  • Size

    203KB

  • MD5

    fd58423666efdd6ff015ecacfbc738fc

  • SHA1

    ccde6588b8d19dc4dc2cc9f27117daf818f622fa

  • SHA256

    be5984a2f035ac72c79005d5870e42d73ab4ac0201562d90ed1faef865026fac

  • SHA512

    b9705b8258eb1ed3a703e145c537319f9bd7d4e0d5737a5fd038f5e25762e7ea5730455aefd4fbd5d56e8f883ab3d019aed0b38dc006603b9f8f7947ccf93f77

  • SSDEEP

    3072:sr85CRAQUtm3XC99BqHUtm3XC99BqFr85C+:k9RAvmHqZmHqW9+

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.

  • 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\be5984a2f035ac72c79005d5870e42d73ab4ac0201562d90ed1faef865026fac.exe
    "C:\Users\Admin\AppData\Local\Temp\be5984a2f035ac72c79005d5870e42d73ab4ac0201562d90ed1faef865026fac.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:5108

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\be5984a2f035ac72c79005d5870e42d73ab4ac0201562d90ed1faef865026fac.exe

    Filesize

    163KB

    MD5

    99e943961d493d0bd5021b63c2fbd755

    SHA1

    0decb9856b319e2bebcaeb66892dbfacbb76922a

    SHA256

    bc7008af2595a65ac77ff8c44812ddc29c7ff6d3c7a925fa0f1b5f2be4594971

    SHA512

    1c730d5ffe53d1871d97518437ebe030fb952f728a7727e638f598691945ca053772f8e8080de5c11e2e916ad356bc2610b33a765f945662b30ba051347c47b9

  • memory/5108-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5108-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5108-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB