Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/06/2026, 19:02

General

  • Target
    ebd7aaf11908a3e094cf465d3cd0e08d15d6d6be67840ab268a4a8da6482d773.exe
  • Size 45KB
  • Sample260626-xp1gcaes2t
  • SHA256 ebd7aaf11908a3e094cf465d3cd0e08d15d6d6be67840ab268a4a8da6482d773
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • claudir.com:80

  • claudir.com:22

  • claudir.com:8080

  • claudir.com:8880

  • claudir.com:2052

  • claudir.com:2082

  • claudir.com:2086

  • claudir.com:2095

  • claudir.com:443

  • claudir.com:2053

  • claudir.com:2083

  • claudir.com:2087

  • claudir.com:2096

  • claudir.com:8443

  • www.claudir.com:80

  • www.claudir.com:22

  • www.claudir.com:8080

  • www.claudir.com:8880

  • www.claudir.com:2052

  • www.claudir.com:2082

Mutex
  • 7AeGC7vGOMEW

Attributes
  • delay

    0

  • install

    true

  • install_file

    d2ys2sy.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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebd7aaf11908a3e094cf465d3cd0e08d15d6d6be67840ab268a4a8da6482d773.exe
    "C:\Users\Admin\AppData\Local\Temp\ebd7aaf11908a3e094cf465d3cd0e08d15d6d6be67840ab268a4a8da6482d773.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "d2ys2sy" /tr '"C:\Users\Admin\AppData\Roaming\d2ys2sy.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "d2ys2sy" /tr '"C:\Users\Admin\AppData\Roaming\d2ys2sy.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3404
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF6EE.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6048
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2684
      • C:\Users\Admin\AppData\Roaming\d2ys2sy.exe
        "C:\Users\Admin\AppData\Roaming\d2ys2sy.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5740
  • C:\Users\Admin\AppData\Roaming\d2ys2sy.exe
    "C:\Users\Admin\AppData\Roaming\d2ys2sy.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5432

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpF6EE.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF6EE.tmp.bat
        • Size 151B
        • SHA256 bbf2990af70d5348ad59429511622dcdac843755326112be28bda37ec790487d
        • MD5 SHA1 SHA512 TLSH

        d2ys2sy.exe

        • Path C:\Users\Admin\AppData\Roaming\d2ys2sy.exe
        • Size 45KB
        • SHA256 ebd7aaf11908a3e094cf465d3cd0e08d15d6d6be67840ab268a4a8da6482d773
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2444-0-0x00000000742C2000-0x00000000742C3000-memory.dmp

        memory/2444-1-0x00000000004C0000-0x00000000004D2000-memory.dmp

        memory/2444-2-0x00000000742B0000-0x0000000074A6C000-memory.dmp

        memory/2444-3-0x0000000004E70000-0x0000000004F0C000-memory.dmp

        memory/2444-8-0x00000000742B0000-0x0000000074A6C000-memory.dmp

        memory/5432-12-0x00000000740E0000-0x000000007489C000-memory.dmp

        memory/5432-14-0x00000000740E0000-0x000000007489C000-memory.dmp