Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 02:39

General

  • Target

    5433183bfd1f4101d7768e72344963236177cbe30826e29e814048d2f6f36048.exe

  • Size

    541KB

  • MD5

    e5ea815aab234395fd2bd9ca60772e87

  • SHA1

    a004e911df5b3bc4a011e0d394d1992bac6d4f2b

  • SHA256

    5433183bfd1f4101d7768e72344963236177cbe30826e29e814048d2f6f36048

  • SHA512

    489cf1ed635b2d4774531d9a6a7643b80b37736ac112f7536a65480d32b7a4d6aec157de25c200ad44bc34440ccb64358e60539c5f71996690d25bb2d873a2cb

  • SSDEEP

    6144:k9BmAQIPvTmaEVmP02yCUE+cw0wIceA4D55qv4t/uBmohChYgXP6RIeLWKiBlwa:9AQIXqaE0yCgqwXeAVmoEAlLViBlwa

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\5433183bfd1f4101d7768e72344963236177cbe30826e29e814048d2f6f36048.exe
    "C:\Users\Admin\AppData\Local\Temp\5433183bfd1f4101d7768e72344963236177cbe30826e29e814048d2f6f36048.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:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\5433183bfd1f4101d7768e72344963236177cbe30826e29e814048d2f6f36048.exe

    Filesize

    501KB

    MD5

    f3f9e584a7b1726f3fca0b9435da282b

    SHA1

    1ddc2e652a625173ac16b9457e1a162acdec254a

    SHA256

    4b716283620ebf7f5be514db8d3d7a70be30fa1af1a28614bc7269dc9b39c1dc

    SHA512

    59d87f4708e93c5e3baee83831a9dafe281c9d5b6c89efa982974122014ba3ea39219c87d77c06650de3ca16de26f24a9b595549de7cc2272c8667aa444cbb1f

  • memory/1884-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1884-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1884-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1884-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB