Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 14:14

General

  • Target

    88b7a3ee5535caeea8f254d2181262d5b200099ba3223fe671847821bc416601.exe

  • Size

    2.5MB

  • MD5

    74ec95270622ce56871bbd4c56ccd5b8

  • SHA1

    ef7ea9845f42f88a6647c2f03f1dc7b066d2ef3e

  • SHA256

    88b7a3ee5535caeea8f254d2181262d5b200099ba3223fe671847821bc416601

  • SHA512

    a2d79fbf30f4cdc03d47e12ac70eb2d3d810f34bfc81d043e937477a5a6328b7a4ee29f4dd3b835d5ab5f60b671f8930a417a5c5a2ff3271301aafd46d4dfb28

  • SSDEEP

    24576:1AScxGrpUu7VpfRUkq/HRZ/sQ7Lxp3hWmQmmNDTf5Cc/GAOatbNGHONyCACp8tvb:ExG2JZ/xp7mlVgaFQHji85gpoP3UA

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\88b7a3ee5535caeea8f254d2181262d5b200099ba3223fe671847821bc416601.exe
    "C:\Users\Admin\AppData\Local\Temp\88b7a3ee5535caeea8f254d2181262d5b200099ba3223fe671847821bc416601.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:4364

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\88b7a3ee5535caeea8f254d2181262d5b200099ba3223fe671847821bc416601.exe

    Filesize

    2.4MB

    MD5

    e949e6269a3c1547acf5432d96551a71

    SHA1

    a69398be23828c6e01515d4d20600e2ba5486c67

    SHA256

    a74ca0538a80e383d2455a4cb801c89aca68f93f19fc93286ffdb8f6896ec9e6

    SHA512

    f6d31170ed7cfdcf6f9612885d73f1b2774d995777649aebfa4bc03dad3e6ddcc8a769096c300a1ac98a8009037b298e1726835a2eca7f3071feade94a5022e9

  • memory/4364-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4364-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4364-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB