Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 10:17

General

  • Target
    854087891152815eebc1c55b86e0c29e9e10ea597489a3ccc5bf7d84e7136927.exe
  • Size 45KB
  • Sample260602-mbjassb16m
  • SHA256 854087891152815eebc1c55b86e0c29e9e10ea597489a3ccc5bf7d84e7136927
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xnhau.shop:443

  • xnhau.shop:80

  • www.xnhau.shop:443

  • www.xnhau.shop:80

  • wannacry.xnhau.shop:443

  • wannacry.xnhau.shop:80

  • hermeticwiper.xnhau.shop:443

  • hermeticwiper.xnhau.shop:80

Mutex
  • GYsConp4u8eL

Attributes
  • delay

    0

  • install

    true

  • install_file

    85aa7l.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\854087891152815eebc1c55b86e0c29e9e10ea597489a3ccc5bf7d84e7136927.exe
    "C:\Users\Admin\AppData\Local\Temp\854087891152815eebc1c55b86e0c29e9e10ea597489a3ccc5bf7d84e7136927.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "85aa7l" /tr '"C:\Users\Admin\AppData\Roaming\85aa7l.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "85aa7l" /tr '"C:\Users\Admin\AppData\Roaming\85aa7l.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3448
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5A31.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4428
      • C:\Users\Admin\AppData\Roaming\85aa7l.exe
        "C:\Users\Admin\AppData\Roaming\85aa7l.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3228
  • C:\Users\Admin\AppData\Roaming\85aa7l.exe
    "C:\Users\Admin\AppData\Roaming\85aa7l.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp5A31.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5A31.tmp.bat
        • Size 150B
        • SHA256 a955302c3062eb0edc2d33ce13ae2c9e0a6e577a0df33f72ca05ddc8eb205ffe
        • MD5 SHA1 SHA512 TLSH

        85aa7l.exe

        • Path C:\Users\Admin\AppData\Roaming\85aa7l.exe
        • Size 45KB
        • SHA256 854087891152815eebc1c55b86e0c29e9e10ea597489a3ccc5bf7d84e7136927
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2124-0-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

        memory/2124-1-0x0000000005970000-0x0000000005980000-memory.dmp

        memory/2124-2-0x0000000005980000-0x0000000005A1C000-memory.dmp