Analysis

  • max time kernel
    94s
  • 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
    19-12-2024 06:13

General

  • Target

    3b2f12293992f65c7c2a0c6b2ff38af2bc8e5aafc1829b65d1819850e6d40fd8.exe

  • Size

    1.2MB

  • MD5

    63869f22aace76826afa504a460be671

  • SHA1

    920f149a6cbd16dd5888db69a3bdb4b07abd6e24

  • SHA256

    3b2f12293992f65c7c2a0c6b2ff38af2bc8e5aafc1829b65d1819850e6d40fd8

  • SHA512

    d3803f69f45e1457f0b851937ff28ccdcb3e644495310767a95f7e9364cc89240a7121513a050cf1a1da311a5fc53319b303cc0bd6ad9d01325b8c292ca709dc

  • SSDEEP

    12288:QPgDWFlgackSxvJaSkSxvJaKvJaqGu1uQFmKIIXfb8h:QID7aVMBavMBaKBaqd8QFfvE

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\3b2f12293992f65c7c2a0c6b2ff38af2bc8e5aafc1829b65d1819850e6d40fd8.exe
    "C:\Users\Admin\AppData\Local\Temp\3b2f12293992f65c7c2a0c6b2ff38af2bc8e5aafc1829b65d1819850e6d40fd8.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:2452

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\3b2f12293992f65c7c2a0c6b2ff38af2bc8e5aafc1829b65d1819850e6d40fd8.exe

    Filesize

    1.2MB

    MD5

    3c8cf15dfed626c38471ed69bf62a0e2

    SHA1

    53669084625c00633554bd45dde6f4c79ed7a08a

    SHA256

    f47df898924fc037d4c6a60dcb925a5a2d08df493e1c40a4acc79498b67167f0

    SHA512

    d1f60f828454d3facb04697729c5753a1789908673baa390393d06bdc446e5b0f02a5f7ed262147682b921aea34a4fbebe93ee6f065f19a7151d0986b6c3c44c

  • memory/2452-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2452-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2452-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB