Analysis

  • max time kernel
    92s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 12:48

General

  • Target

    d8528ae1566f3abcaa91fd4dc1138acd110ab2b93492eb7a00270760b00541ef.exe

  • Size

    889KB

  • MD5

    279d6c0f6e3fc90413c4ac8432444787

  • SHA1

    0b9d57aa5bfafa2269d9bc5df3051d3fe14564cb

  • SHA256

    d8528ae1566f3abcaa91fd4dc1138acd110ab2b93492eb7a00270760b00541ef

  • SHA512

    115d3aa1e453c62a7ae45c5e8478c6a9615cd08d773aa032724c6c7aac703b47acf59c9d6d928bb7e74a255a9e8a7558e20c69184ff3cded209878371a88ed6d

  • SSDEEP

    12288:+OvEttx3IPtVVzdeCzwBOlqDmmbY6a/7qk4f2R4blJbCsvb6doyV/5U:t8tSP/VzsTsl4aj0Wivbi5U

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.

  • 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\d8528ae1566f3abcaa91fd4dc1138acd110ab2b93492eb7a00270760b00541ef.exe
    "C:\Users\Admin\AppData\Local\Temp\d8528ae1566f3abcaa91fd4dc1138acd110ab2b93492eb7a00270760b00541ef.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:2988

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\d8528ae1566f3abcaa91fd4dc1138acd110ab2b93492eb7a00270760b00541ef.exe

    Filesize

    848KB

    MD5

    a3ecfa94b4ded96d414940c933385a1b

    SHA1

    1c324e96883f0013eaab790ef5694938870c25ef

    SHA256

    119248fd7a5b11102382f3e5c603cebfdb959f67555117ce164c81973ac5bc98

    SHA512

    09ca41ddbe12badc199e73379bbc4a3c0328b7bf9e45b8234fde25b6669747922b42096d96e427bfa5b9039527d199e066e0f6f96938e6a45680668c820cd75a

  • memory/2988-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2988-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2988-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB