Analysis

  • max time kernel
    95s
  • 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
    03-12-2024 01:56

General

  • Target

    8e9e1d72c9e700fec4854358672463c20178a79485a630ca8d2fcf4ec15a3031.exe

  • Size

    217KB

  • MD5

    c1e5cc9d3059ac7a5b9537c8b5c27e4f

  • SHA1

    48c2816324e02c3a19652f3e31605d6869d0af43

  • SHA256

    8e9e1d72c9e700fec4854358672463c20178a79485a630ca8d2fcf4ec15a3031

  • SHA512

    3b6e14746d9ae2e7aa9302c2ed463e980dfb5cd25677a7b760f61f974fea7de8d70feadf30511f5cd9849108e72f1186926b5ceaf66d4bb3f481cf2e3a4a15af

  • SSDEEP

    3072:sr85CRAOGfte0D9P9HjT0rIm7f1dZJZgJIK/Jv4ARAEzUId4ARAEzUIU:k9RNGfYm9VTwImJdEX/eARdbWARdbU

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\8e9e1d72c9e700fec4854358672463c20178a79485a630ca8d2fcf4ec15a3031.exe
    "C:\Users\Admin\AppData\Local\Temp\8e9e1d72c9e700fec4854358672463c20178a79485a630ca8d2fcf4ec15a3031.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:2448

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\8e9e1d72c9e700fec4854358672463c20178a79485a630ca8d2fcf4ec15a3031.exe

    Filesize

    177KB

    MD5

    b5b046a60a551ce2ab132b0e9a7b7f39

    SHA1

    3a470110bb026189a3aeba9c901a147c91f62bf6

    SHA256

    76142f60cca8f7d598c83c95773826e5e07313ac07c6aeb46e5d7b8825bcbba4

    SHA512

    0fb455595c5364c97fc6f8ce7191b4a091ae73b08809991e97824a763cddd4f546191b43f0ed56f364c8056f8253639c32b126f588bc5a27976031111cc81dad

  • memory/2448-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2448-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2448-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB