Analysis

  • max time kernel
    6s
  • max time network
    147s
  • 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, 12:20

General

  • Target
    6a5fddca6d7ada680374a4e38337f78c16c5576d4b3a7563ddb72a372be668d7.exe
  • Size 45KB
  • Sample260714-phz81aev51
  • SHA256 6a5fddca6d7ada680374a4e38337f78c16c5576d4b3a7563ddb72a372be668d7
  • 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
  • QT3N4A4CLkgq

Attributes
  • delay

    0

  • install

    true

  • install_file

    94tb76x.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\6a5fddca6d7ada680374a4e38337f78c16c5576d4b3a7563ddb72a372be668d7.exe
    "C:\Users\Admin\AppData\Local\Temp\6a5fddca6d7ada680374a4e38337f78c16c5576d4b3a7563ddb72a372be668d7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "94tb76x" /tr '"C:\Users\Admin\AppData\Roaming\94tb76x.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "94tb76x" /tr '"C:\Users\Admin\AppData\Roaming\94tb76x.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2536
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE700.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4776
      • C:\Users\Admin\AppData\Roaming\94tb76x.exe
        "C:\Users\Admin\AppData\Roaming\94tb76x.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3880
  • C:\Users\Admin\AppData\Roaming\94tb76x.exe
    "C:\Users\Admin\AppData\Roaming\94tb76x.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpE700.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE700.tmp.bat
        • Size 151B
        • SHA256 adc9869d0ccece2eb99767fdc62fba37f853a8a9fd37ce7ddd97c10a35e5ea22
        • MD5 SHA1 SHA512 TLSH

        94tb76x.exe

        • Path C:\Users\Admin\AppData\Roaming\94tb76x.exe
        • Size 45KB
        • SHA256 6a5fddca6d7ada680374a4e38337f78c16c5576d4b3a7563ddb72a372be668d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3180-0-0x0000000074F32000-0x0000000074F33000-memory.dmp

        memory/3180-1-0x0000000000490000-0x00000000004A2000-memory.dmp

        memory/3180-2-0x0000000074F20000-0x00000000756DC000-memory.dmp

        memory/3180-3-0x0000000004F90000-0x000000000502C000-memory.dmp

        memory/3180-8-0x0000000074F20000-0x00000000756DC000-memory.dmp

        memory/5704-12-0x0000000074DB0000-0x000000007556C000-memory.dmp

        memory/5704-14-0x0000000074DB0000-0x000000007556C000-memory.dmp