Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 13:57

General

  • Target

    721c3078b082b4a2b9277c1365ad3a63d66eb6433084c4c993f3de9da8d9a044.exe

  • Size

    2.6MB

  • MD5

    5736f65f9f94ab2a8583d45753c2f62e

  • SHA1

    a1da8c7806dfa31c0cc9acafd22a9d15b918d480

  • SHA256

    721c3078b082b4a2b9277c1365ad3a63d66eb6433084c4c993f3de9da8d9a044

  • SHA512

    4d1cfe40a98cfb3f1b413724b631a6af2d84762d9d4e2a5c54b8c36d399ac3368f45bcd82ae2261ba4ea18e7784bba1a32510a1c73326cb72b4b43bca8f04b2c

  • SSDEEP

    49152:0ojIsg8bR+SynebwUnRMKu5tL3BCWj1cGl:0oMsguR45xBCo

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\721c3078b082b4a2b9277c1365ad3a63d66eb6433084c4c993f3de9da8d9a044.exe
    "C:\Users\Admin\AppData\Local\Temp\721c3078b082b4a2b9277c1365ad3a63d66eb6433084c4c993f3de9da8d9a044.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:1056

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\721c3078b082b4a2b9277c1365ad3a63d66eb6433084c4c993f3de9da8d9a044.exe

    Filesize

    2.6MB

    MD5

    33872ea58a14b7097c884f658eb90e23

    SHA1

    e29cd22401e006376a0ead4de127de3fc4839515

    SHA256

    17a5c28dba089e769491b52ab01825620fa1f617eaca2ac94c82dc7fb59afad2

    SHA512

    6bc10f9f14b244d7295702af870952069ceeb300b342030bff1b6c15c3e8631c3234c7da06fd31fe82a076d1c21337525fc164fd15bec1d4c8346c8280cca340

  • memory/1056-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1056-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1056-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB