Analysis

  • max time kernel
    58s
  • max time network
    60s
  • 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, 19:26

General

  • Target
    1607c34ec10ba368de7eccc1adcd51e2af079ad25d643a775b2f57bff0f5f570.exe
  • Size 45KB
  • Sample260905-x5ppsa1dmc
  • SHA256 1607c34ec10ba368de7eccc1adcd51e2af079ad25d643a775b2f57bff0f5f570
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexhihi.site:80

  • sexhihi.site:22

  • sexhihi.site:8080

  • sexhihi.site:8880

  • sexhihi.site:2052

  • sexhihi.site:2082

  • sexhihi.site:2086

  • sexhihi.site:2095

  • sexhihi.site:443

  • sexhihi.site:2053

  • sexhihi.site:2083

  • sexhihi.site:2087

  • sexhihi.site:2096

  • sexhihi.site:8443

  • www.sexhihi.site:80

  • www.sexhihi.site:22

  • www.sexhihi.site:8080

  • www.sexhihi.site:8880

  • www.sexhihi.site:2052

  • www.sexhihi.site:2082

Mutex
  • vYXSXLmO1UyY

Attributes
  • delay

    0

  • install

    true

  • install_file

    fx4hf59p.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 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 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1607c34ec10ba368de7eccc1adcd51e2af079ad25d643a775b2f57bff0f5f570.exe
    "C:\Users\Admin\AppData\Local\Temp\1607c34ec10ba368de7eccc1adcd51e2af079ad25d643a775b2f57bff0f5f570.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fx4hf59p" /tr '"C:\Users\Admin\AppData\Roaming\fx4hf59p.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:2264
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "fx4hf59p" /tr '"C:\Users\Admin\AppData\Roaming\fx4hf59p.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4954.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:5076
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4176
      • C:\Users\Admin\AppData\Roaming\fx4hf59p.exe
        "C:\Users\Admin\AppData\Roaming\fx4hf59p.exe"
        3⤵
          PID:3416
    • C:\Users\Admin\AppData\Roaming\fx4hf59p.exe
      "C:\Users\Admin\AppData\Roaming\fx4hf59p.exe"
      1⤵
        PID:2508

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp4954.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp4954.tmp.bat
            • Size 152B
            • SHA256 5fc09221cf42c2277ab733a347bd279d09e44431d791af7df1d1cce679247567
            • MD5 SHA1 SHA512 TLSH

            fx4hf59p.exe

            • Path C:\Users\Admin\AppData\Roaming\fx4hf59p.exe
            • Size 45KB
            • SHA256 1607c34ec10ba368de7eccc1adcd51e2af079ad25d643a775b2f57bff0f5f570
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2508-12-0x00000000747E0000-0x0000000074F9C000-memory.dmp

            memory/2508-14-0x00000000747E0000-0x0000000074F9C000-memory.dmp

            memory/3368-0-0x0000000074962000-0x0000000074963000-memory.dmp

            memory/3368-1-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

            memory/3368-2-0x0000000074950000-0x000000007510C000-memory.dmp

            memory/3368-3-0x0000000005540000-0x00000000055DC000-memory.dmp

            memory/3368-8-0x0000000074950000-0x000000007510C000-memory.dmp