Analysis

  • max time kernel
    93s
  • max time network
    101s
  • 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 19:56

General

  • Target

    1cd75c5e1b0517a45525b7f7e631d29dc023809d27d97b566ac32f7451223435.exe

  • Size

    3.8MB

  • MD5

    90992a2007c5d123da670b2591957cd0

  • SHA1

    b228d30e49674c9b8b2e7e810d367695fe0336ba

  • SHA256

    1cd75c5e1b0517a45525b7f7e631d29dc023809d27d97b566ac32f7451223435

  • SHA512

    cc682cf537c78d9addf2b13fd650036678d4f34a8ce9fd8517435aefd6aa90df886f1a41c83a8a3f0e5e5b7078781fdb7b672905a117041c532700c4929946ce

  • SSDEEP

    98304:87pkMflhgt3o7OHPvwyvdfzsVy6TNe0EPjx5iY7XwE:/fvBzp6TcPjXiEV

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\1cd75c5e1b0517a45525b7f7e631d29dc023809d27d97b566ac32f7451223435.exe
    "C:\Users\Admin\AppData\Local\Temp\1cd75c5e1b0517a45525b7f7e631d29dc023809d27d97b566ac32f7451223435.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:536

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\1cd75c5e1b0517a45525b7f7e631d29dc023809d27d97b566ac32f7451223435.exe

    Filesize

    3.8MB

    MD5

    c19b06d1472e32705c803184f6994468

    SHA1

    c9687f46a8f9a2000c07ee5f54a750bf3c9e7472

    SHA256

    a3a1a4d5d3769e7f2df68f986e1d8a6595680482829ed6b163f421d1c624e3c7

    SHA512

    81e7630d7d5c3f32834c41d8459e6261f34e846a34a2771fe077ec8d23d50f231218af68096a7927c2818f1ff79b4488b78f6c36317177dedb3a45d2c4ad46d4

  • memory/536-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/536-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/536-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB