Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 14:12

General

  • Target
    7b572bcfa4eb1b5af0ded232dff82fbe778627f857032a4c8051595ffc5c61ed.exe
  • Size 45KB
  • Sample260905-rh5vlaec99
  • SHA256 7b572bcfa4eb1b5af0ded232dff82fbe778627f857032a4c8051595ffc5c61ed
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xem18.info:80

  • xem18.info:22

  • xem18.info:8080

  • xem18.info:8880

  • xem18.info:2052

  • xem18.info:2082

  • xem18.info:2086

  • xem18.info:2095

  • xem18.info:443

  • xem18.info:2053

  • xem18.info:2083

  • xem18.info:2087

  • xem18.info:2096

  • xem18.info:8443

  • www.xem18.info:80

  • www.xem18.info:22

  • www.xem18.info:8080

  • www.xem18.info:8880

  • www.xem18.info:2052

  • www.xem18.info:2082

Mutex
  • u0P9GGpRz4Q8

Attributes
  • delay

    0

  • install

    true

  • install_file

    sgnkkwjb.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b572bcfa4eb1b5af0ded232dff82fbe778627f857032a4c8051595ffc5c61ed.exe
    "C:\Users\Admin\AppData\Local\Temp\7b572bcfa4eb1b5af0ded232dff82fbe778627f857032a4c8051595ffc5c61ed.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "sgnkkwjb" /tr '"C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "sgnkkwjb" /tr '"C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2308
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3733.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5788
      • C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe
        "C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4912
  • C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe
    "C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5912

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3733.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3733.tmp.bat
        • Size 152B
        • SHA256 39f108bc66a29377791b799071c77e1f5332ff0b092b4e0ce781b287251d6394
        • MD5 SHA1 SHA512 TLSH

        sgnkkwjb.exe

        • Path C:\Users\Admin\AppData\Roaming\sgnkkwjb.exe
        • Size 45KB
        • SHA256 7b572bcfa4eb1b5af0ded232dff82fbe778627f857032a4c8051595ffc5c61ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3356-0-0x0000000075012000-0x0000000075013000-memory.dmp

        memory/3356-1-0x0000000000D50000-0x0000000000D62000-memory.dmp

        memory/3356-2-0x0000000075000000-0x00000000757BC000-memory.dmp

        memory/3356-3-0x00000000058E0000-0x000000000597C000-memory.dmp

        memory/3356-8-0x0000000075000000-0x00000000757BC000-memory.dmp

        memory/5912-12-0x0000000074E90000-0x000000007564C000-memory.dmp

        memory/5912-14-0x0000000074E90000-0x000000007564C000-memory.dmp