Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 14:26

General

  • Target
    9d5955e41615e27531258cbf02b0f800d5eb83a5632082f383c9ca23a191975d.exe
  • Size 45KB
  • Sample260710-rr8b3sbs4k
  • SHA256 9d5955e41615e27531258cbf02b0f800d5eb83a5632082f383c9ca23a191975d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • porn-th.com:80

  • porn-th.com:22

  • porn-th.com:8080

  • porn-th.com:8880

  • porn-th.com:2052

  • porn-th.com:2082

  • porn-th.com:2086

  • porn-th.com:2095

  • porn-th.com:443

  • porn-th.com:2053

  • porn-th.com:2083

  • porn-th.com:2087

  • porn-th.com:2096

  • porn-th.com:8443

  • www.porn-th.com:80

  • www.porn-th.com:22

  • www.porn-th.com:8080

  • www.porn-th.com:8880

  • www.porn-th.com:2052

  • www.porn-th.com:2082

Mutex
  • yOesc9trEbBj

Attributes
  • delay

    0

  • install

    true

  • install_file

    ekpf4.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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d5955e41615e27531258cbf02b0f800d5eb83a5632082f383c9ca23a191975d.exe
    "C:\Users\Admin\AppData\Local\Temp\9d5955e41615e27531258cbf02b0f800d5eb83a5632082f383c9ca23a191975d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ekpf4" /tr '"C:\Users\Admin\AppData\Roaming\ekpf4.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ekpf4" /tr '"C:\Users\Admin\AppData\Roaming\ekpf4.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:944
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFCD9.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4120
      • C:\Users\Admin\AppData\Roaming\ekpf4.exe
        "C:\Users\Admin\AppData\Roaming\ekpf4.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4996
  • C:\Users\Admin\AppData\Roaming\ekpf4.exe
    "C:\Users\Admin\AppData\Roaming\ekpf4.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpFCD9.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpFCD9.tmp.bat
        • Size 149B
        • SHA256 939be6cfa87d97d5e664a9be1a754dc913187364bcd567d3e66daa431cde9077
        • MD5 SHA1 SHA512 TLSH

        ekpf4.exe

        • Path C:\Users\Admin\AppData\Roaming\ekpf4.exe
        • Size 45KB
        • SHA256 9d5955e41615e27531258cbf02b0f800d5eb83a5632082f383c9ca23a191975d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2952-12-0x0000000074BE0000-0x000000007539C000-memory.dmp

        memory/2952-14-0x0000000074BE0000-0x000000007539C000-memory.dmp

        memory/3436-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

        memory/3436-1-0x0000000000D00000-0x0000000000D12000-memory.dmp

        memory/3436-2-0x0000000074DB0000-0x000000007556C000-memory.dmp

        memory/3436-3-0x00000000058E0000-0x000000000597C000-memory.dmp

        memory/3436-8-0x0000000074DB0000-0x000000007556C000-memory.dmp