Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 23:25

General

  • Target

    4246a7e6bf470b881ecc5a1d0a8713df0b7b781d00a70fb91148434ad5087375.exe

  • Size

    3.7MB

  • MD5

    e90d3ca2b9d99f57cd43ab9fd1e2c638

  • SHA1

    80413fd4a4736888a7416a91619e04c7cf9d865d

  • SHA256

    4246a7e6bf470b881ecc5a1d0a8713df0b7b781d00a70fb91148434ad5087375

  • SHA512

    c2e046291f5a425d2ecccceb477a23fc4c4bf6b0554865436b59d95eadea56e234e4a2ebfcce52ddfdf281be441ed268cafacd30795a4433eacc29bae26dcf9f

  • SSDEEP

    49152:8G71e1Fst+Weyfh6Qof06bhPiZkbESA6szlIMH9Q/f1xW1H9:uSCQubESA6sz+o

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\4246a7e6bf470b881ecc5a1d0a8713df0b7b781d00a70fb91148434ad5087375.exe
    "C:\Users\Admin\AppData\Local\Temp\4246a7e6bf470b881ecc5a1d0a8713df0b7b781d00a70fb91148434ad5087375.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:3660

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\4246a7e6bf470b881ecc5a1d0a8713df0b7b781d00a70fb91148434ad5087375.exe

    Filesize

    3.6MB

    MD5

    45a98168e3ad67976e8a1504a34be994

    SHA1

    61daa5f607eb2e12c9f59bce14dd584490ff5793

    SHA256

    7f975632ea3e17f12a590bca07b56590e5d0b1f018910b8ca2f49a2b249a0b88

    SHA512

    48a6545d4359c53108c811d3323656288dedc92b29380a55562ace395a0dcdaa46ebad8f11c772c94d3e1f8d922d96a7d1f3b8b36d7bd43356f5b276142c48db

  • memory/3660-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3660-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3660-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB