Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 12:17

General

  • Target
    d1a714a358d1a2e75fe9e9225fa0df6a733fa74b5a2079d63a1496eb7238933c.exe
  • Size 45KB
  • Sample260714-pgaa7aev31
  • SHA256 d1a714a358d1a2e75fe9e9225fa0df6a733fa74b5a2079d63a1496eb7238933c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • javsub.blog:80

  • javsub.blog:22

  • javsub.blog:8080

  • javsub.blog:8880

  • javsub.blog:2052

  • javsub.blog:2082

  • javsub.blog:2086

  • javsub.blog:2095

  • javsub.blog:443

  • javsub.blog:2053

  • javsub.blog:2083

  • javsub.blog:2087

  • javsub.blog:2096

  • javsub.blog:8443

  • www.javsub.blog:80

  • www.javsub.blog:22

  • www.javsub.blog:8080

  • www.javsub.blog:8880

  • www.javsub.blog:2052

  • www.javsub.blog:2082

Mutex
  • 2JDkBsesOaHA

Attributes
  • delay

    0

  • install

    true

  • install_file

    9urk9.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\d1a714a358d1a2e75fe9e9225fa0df6a733fa74b5a2079d63a1496eb7238933c.exe
    "C:\Users\Admin\AppData\Local\Temp\d1a714a358d1a2e75fe9e9225fa0df6a733fa74b5a2079d63a1496eb7238933c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "9urk9" /tr '"C:\Users\Admin\AppData\Roaming\9urk9.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "9urk9" /tr '"C:\Users\Admin\AppData\Roaming\9urk9.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E07.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:432
      • C:\Users\Admin\AppData\Roaming\9urk9.exe
        "C:\Users\Admin\AppData\Roaming\9urk9.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:420
  • C:\Users\Admin\AppData\Roaming\9urk9.exe
    "C:\Users\Admin\AppData\Roaming\9urk9.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2804

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4E07.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4E07.tmp.bat
        • Size 149B
        • SHA256 a111ed918172960bb5cd2e1a32b0495f3dac77fd1fd70b106b235cd16ebb9a24
        • MD5 SHA1 SHA512 TLSH

        9urk9.exe

        • Path C:\Users\Admin\AppData\Roaming\9urk9.exe
        • Size 45KB
        • SHA256 d1a714a358d1a2e75fe9e9225fa0df6a733fa74b5a2079d63a1496eb7238933c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2556-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

        memory/2556-1-0x00000000002B0000-0x00000000002C2000-memory.dmp

        memory/2556-2-0x00000000751E0000-0x000000007599C000-memory.dmp

        memory/2556-3-0x0000000004E40000-0x0000000004EDC000-memory.dmp

        memory/2556-8-0x00000000751E0000-0x000000007599C000-memory.dmp

        memory/2804-12-0x0000000075070000-0x000000007582C000-memory.dmp

        memory/2804-14-0x0000000075070000-0x000000007582C000-memory.dmp