Overview

overview

10

Static

static

10

AA_v3.exe

windows10-2004-x64

10

AA_v3.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    109s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 08:41

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General

  • Target
    AA_v3.exe
  • Size 798KB
  • Sample260922-klkkhascld
  • SHA256 ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdiscoveryflawedammyypersistencetrojan

Malware Config

Signatures

  • Family: FlawedAmmyy RAT

    Remote-access trojan based on leaked code for the Ammyy remote admin software.

    trojanflawedammyy
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

    bootkitpersistence
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
    "C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    PID:2012
  • C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
    "C:\Users\Admin\AppData\Local\Temp\AA_v3.exe" -service -lunch
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\AA_v3.exe
      "C:\Users\Admin\AppData\Local\Temp\AA_v3.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1292

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        settings3.bin
        • Path C:\ProgramData\AMMYY\settings3.bin
        • Size 334B
        • SHA256 8deddf4bdf920e6be88754c3b3068012c5f77275bd23f62a00fbd458420a8e4b
        • MD5 SHA1 SHA512 TLSH
        Submit Download