Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 09:05

General

  • Target
    a68b7506b5de0418f6501e04d4d14a10341e571f14fdd9f50d02f845d3b6a428.exe
  • Size 45KB
  • Sample260714-k2ap8sct2w
  • SHA256 a68b7506b5de0418f6501e04d4d14a10341e571f14fdd9f50d02f845d3b6a428
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • cdn.cd-vs.com:80

  • cdn.cd-vs.com:22

  • cdn.cd-vs.com:8080

  • cdn.cd-vs.com:8880

  • cdn.cd-vs.com:2052

  • cdn.cd-vs.com:2082

  • cdn.cd-vs.com:2086

  • cdn.cd-vs.com:2095

  • cdn.cd-vs.com:443

  • cdn.cd-vs.com:2053

  • cdn.cd-vs.com:2083

  • cdn.cd-vs.com:2087

  • cdn.cd-vs.com:2096

  • cdn.cd-vs.com:8443

  • www.cdn.cd-vs.com:80

  • www.cdn.cd-vs.com:22

  • www.cdn.cd-vs.com:8080

  • www.cdn.cd-vs.com:8880

  • www.cdn.cd-vs.com:2052

  • www.cdn.cd-vs.com:2082

Mutex
  • 9mtTWNCCMjgW

Attributes
  • delay

    0

  • install

    true

  • install_file

    su61.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a68b7506b5de0418f6501e04d4d14a10341e571f14fdd9f50d02f845d3b6a428.exe
    "C:\Users\Admin\AppData\Local\Temp\a68b7506b5de0418f6501e04d4d14a10341e571f14fdd9f50d02f845d3b6a428.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "su61" /tr '"C:\Users\Admin\AppData\Roaming\su61.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4572
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "su61" /tr '"C:\Users\Admin\AppData\Roaming\su61.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4496
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8776.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1148
      • C:\Users\Admin\AppData\Roaming\su61.exe
        "C:\Users\Admin\AppData\Roaming\su61.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2368
  • C:\Users\Admin\AppData\Roaming\su61.exe
    "C:\Users\Admin\AppData\Roaming\su61.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1120

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp8776.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp8776.tmp.bat
        • Size 148B
        • SHA256 02f673b10cbffc105b3ae4c29bc0df0d8afe197fad8cdf32f74d0f9ee7fd6fca
        • MD5 SHA1 SHA512 TLSH

        su61.exe

        • Path C:\Users\Admin\AppData\Roaming\su61.exe
        • Size 45KB
        • SHA256 a68b7506b5de0418f6501e04d4d14a10341e571f14fdd9f50d02f845d3b6a428
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1120-12-0x0000000074BB0000-0x000000007536C000-memory.dmp

        memory/1120-14-0x0000000074BB0000-0x000000007536C000-memory.dmp

        memory/2324-0-0x0000000074D92000-0x0000000074D93000-memory.dmp

        memory/2324-1-0x0000000000A30000-0x0000000000A42000-memory.dmp

        memory/2324-2-0x0000000074D80000-0x000000007553C000-memory.dmp

        memory/2324-3-0x00000000055C0000-0x000000000565C000-memory.dmp

        memory/2324-8-0x0000000074D80000-0x000000007553C000-memory.dmp