Overview

overview

10

Static

static

10

b482c0e2d0...cN.exe

windows7-x64

10

b482c0e2d0...cN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 20:34

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General

  • Target

    b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.exe

  • Size

    4.8MB

  • MD5

    64e7f75656a65ece7ffb6eb81355db30

  • SHA1

    8c27682411532ef3bc12474c7cd3a69b8706634c

  • SHA256

    b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3c

  • SHA512

    9f88d12776c522379563bc78882792e629094035cd81faf0df20cb7fb93357a4b1cbfde63a26ca05e92d211a094ecfa391d097677253e06627a3535bdd827ab8

  • SSDEEP

    98304:MIBdcegPTApJRVaNz6mCuzOEZE/bEloTj5559AQyk2B5lx8LV:MUc57eRcLCc+b9Td5AQyk2B5T8LV

Score
10/10
neshtabootkitdiscoverypersistencespywarestealer

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.

    persistencespywareneshta
  • Neshta family
    neshta
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.exe
    "C:\Users\Admin\AppData\Local\Temp\b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.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
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\3582-490\b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.exe"
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\b482c0e2d0d70f4b83c2d7597fcbdd9f48554d9f67197260d9ea868fc1ba9f3cN.exe
    Filesize

    4.8MB

    MD5

    51bc9364ba2f2c8eb2e71e3275592cc5

    SHA1

    b9328031bc4317ea31a16c6069b2c98474b9685f

    SHA256

    5274f203d4cdb2976ee5cac6deeceae92ff0624c4eeb00fbe803b97e12ba2997

    SHA512

    38e8b11a4237226fdfa074f28b01f1baad9e28a43719948c30a1593df0aa513c89d1b494d16321b86fa8419013c165254755863dcdd203ef420c120d95e5129f

    Download Submit

  • memory/1356-11-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/1356-12-0x00007FFACA490000-0x00007FFACA492000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1356-13-0x00007FF6EDCD0000-0x00007FF6F2495000-memory.dmp

    Filesize

    71.8MB

    Download

  • memory/1356-102-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

    Filesize

    2.0MB

    Download

  • memory/2676-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2676-104-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2676-106-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download