Analysis

  • max time kernel
    102s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 19:04

General

  • Target

    b6887ef207e297b45d02246a82388ca6b48cebde7a9d10bf74c5925c2f8fc0c1.exe

  • Size

    572KB

  • MD5

    7e9a57aa6079d8b9a4fa38a08adc95b0

  • SHA1

    6407e225fc423a932423e34461499f2ac2bd8cb2

  • SHA256

    b6887ef207e297b45d02246a82388ca6b48cebde7a9d10bf74c5925c2f8fc0c1

  • SHA512

    3414d57aaefa9483d93adee3374b5933f18244ce15f4604c366894a317b195f3d4e902009ded04b41f76248aebf1874edd3346e7beaa920b7869f24a24c32d56

  • SSDEEP

    12288:TnYYRPW4lJEXNiBmAV2HYnirduwxsS5wFio/g5B:TYYPfJExHRrcwKB7+B

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\b6887ef207e297b45d02246a82388ca6b48cebde7a9d10bf74c5925c2f8fc0c1.exe
    "C:\Users\Admin\AppData\Local\Temp\b6887ef207e297b45d02246a82388ca6b48cebde7a9d10bf74c5925c2f8fc0c1.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:4764

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\b6887ef207e297b45d02246a82388ca6b48cebde7a9d10bf74c5925c2f8fc0c1.exe

    Filesize

    532KB

    MD5

    63772691f22b58c620943d5c6f6677e8

    SHA1

    90de74544d2e8f63f4d812958a98d479125327b2

    SHA256

    bb85129db0f85e6e8844d25a70f8c74bf1aeaaf6691277291c53c3b76cdd9d6a

    SHA512

    51cf7d6c041b41a91f872a30589062857f6ce57b9e39565f56ce6e9900022fd631470054d35c0ee3ae5a3845ed31f25ac6ec6ce4f8dada14c6c4a1805ac09ece

  • memory/4764-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4764-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4764-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4764-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB