Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 00:33

General

  • Target

    2554bf67f638a422a893f9907ac08a86ffa2fb86a2e82cae8c45fde67169a9e5.exe

  • Size

    144KB

  • MD5

    3a8956cff4f916416940b29be2df67a0

  • SHA1

    df5c8803a55cdcf4fea808ac9f8d9a350c4804ce

  • SHA256

    2554bf67f638a422a893f9907ac08a86ffa2fb86a2e82cae8c45fde67169a9e5

  • SHA512

    1428c42f72999292e7f6ab5f84e8e51c329ee8a4c2591532130e2c0d71dc6638fa2745c1d5f09eb21305f5a7efb1a18406bf11f26eea344314fe7b6b737bf3db

  • SSDEEP

    3072:sr85CquaJG4vlP6k4qmKjfHYToVKSJ9sfQvTQ:k9RaJFvlP1jgTEJ4QvTQ

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\2554bf67f638a422a893f9907ac08a86ffa2fb86a2e82cae8c45fde67169a9e5.exe
    "C:\Users\Admin\AppData\Local\Temp\2554bf67f638a422a893f9907ac08a86ffa2fb86a2e82cae8c45fde67169a9e5.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:3500

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\2554bf67f638a422a893f9907ac08a86ffa2fb86a2e82cae8c45fde67169a9e5.exe

    Filesize

    103KB

    MD5

    9221feb99177f00b9f1932700f30c593

    SHA1

    4910fcb0e9a70dedbb1acd90f3086b4811ee18ac

    SHA256

    d25e1adcfae95561a5cf98ffdd2ded26b2b09c89a48621370831e5d5c01f4828

    SHA512

    b6f2b143fa3e4e3dcfe3d459c63b108e9f3218a4319da5493cc38012ad60f8c8f06e194f7b985934b541d246a06a3cd3fb5d5e9dee396c807246c5cc88782b72

  • memory/3500-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3500-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3500-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB