Analysis

  • max time kernel
    58s
  • max time network
    62s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 13:11

General

  • Target
    Copilot.exe
  • Size 48KB
  • Sample260731-qe63taba42
  • SHA256 81f80cac2539ae93d1c07073db5f0caa7fd269e74b7cd7a5a803ef3c73ec9cac
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • littlehandsservices.com:2323

  • littlehandsservices.com:3232

  • littlehandsservices.com:7685

  • littlehandsservices.com:5435

  • littlehandsservices.com:8090

  • littlehandsservices.com:8002

  • www.littlehandsservices.com:2323

  • www.littlehandsservices.com:3232

  • www.littlehandsservices.com:7685

  • www.littlehandsservices.com:5435

  • www.littlehandsservices.com:8090

  • www.littlehandsservices.com:8002

  • ILOVEYOU.littlehandsservices.com:2323

  • ILOVEYOU.littlehandsservices.com:3232

  • ILOVEYOU.littlehandsservices.com:7685

  • ILOVEYOU.littlehandsservices.com:5435

  • ILOVEYOU.littlehandsservices.com:8090

  • ILOVEYOU.littlehandsservices.com:8002

  • Melissa.littlehandsservices.com:2323

  • Melissa.littlehandsservices.com:3232

Mutex
  • XAfAGB0mXfr3

Attributes
  • delay

    3

  • install

    true

  • install_file

    Copilot.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
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Copilot.exe
    "C:\Users\Admin\AppData\Local\Temp\Copilot.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Copilot" /tr '"C:\Users\Admin\AppData\Roaming\Copilot.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Copilot" /tr '"C:\Users\Admin\AppData\Roaming\Copilot.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2219.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3260
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2792
      • C:\Users\Admin\AppData\Roaming\Copilot.exe
        "C:\Users\Admin\AppData\Roaming\Copilot.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3568
  • C:\Users\Admin\AppData\Roaming\Copilot.exe
    "C:\Users\Admin\AppData\Roaming\Copilot.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3300

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Copilot.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Copilot.exe.log
        • Size 522B
        • SHA256 2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b
        • MD5 SHA1 SHA512 TLSH

        tmp2219.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp2219.tmp.bat
        • Size 151B
        • SHA256 a50238ce14908f699835c33f7a588c7043fdd9aec025d0efd5f9250e7de582e8
        • MD5 SHA1 SHA512 TLSH

        Copilot.exe

        • Path C:\Users\Admin\AppData\Roaming\Copilot.exe
        • Size 48KB
        • SHA256 81f80cac2539ae93d1c07073db5f0caa7fd269e74b7cd7a5a803ef3c73ec9cac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1708-0-0x0000000000370000-0x0000000000382000-memory.dmp

        memory/1708-1-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/1708-2-0x0000000004D20000-0x0000000004DBC000-memory.dmp