Overview

overview

10

Static

static

10

aaa.exe

windows10-2004-x64

10

aaa.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 18:06

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General

  • Target
    aaa.exe
  • Size 49KB
  • Sample260804-wp4y4aeg79
  • SHA256 1743eac4a5e0c2a30c0684f3b00d6c85e08f6c53bcb2f9486452958ccac49e25
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionneptuneratpersistencetrojan

Malware Config

Signatures

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

    trojanneptunerat
  • Detects NeptuneRAT stealer 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\aaa.exe
    "C:\Users\Admin\AppData\Local\Temp\aaa.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "aaa" /tr "C:\Users\Admin\AppData\Roaming\aaa.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4652
  • C:\Users\Admin\AppData\Roaming\aaa.exe
    C:\Users\Admin\AppData\Roaming\aaa.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:560
  • C:\Users\Admin\AppData\Roaming\aaa.exe
    C:\Users\Admin\AppData\Roaming\aaa.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2172
  • C:\Users\Admin\AppData\Roaming\aaa.exe
    C:\Users\Admin\AppData\Roaming\aaa.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2736
  • C:\Users\Admin\AppData\Roaming\aaa.exe
    C:\Users\Admin\AppData\Roaming\aaa.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3940

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        aaa.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\aaa.exe.log
        • Size 654B
        • SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        aaa.exe
        • Path C:\Users\Admin\AppData\Roaming\aaa.exe
        • Size 49KB
        • SHA256 1743eac4a5e0c2a30c0684f3b00d6c85e08f6c53bcb2f9486452958ccac49e25
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1748-0-0x0000000000880000-0x0000000000892000-memory.dmp
        Download

        memory/1748-2-0x000000001B500000-0x000000001B510000-memory.dmp
        Download

        memory/1748-6-0x000000001B500000-0x000000001B510000-memory.dmp
        Download