Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 20:02

General

  • Target
    7f4274b5457ea3ed73892f6cea59ffa0c96796c9e317d35f5f0c776f47204d49.exe
  • Size 45KB
  • Sample260907-ysbstsvdna
  • SHA256 7f4274b5457ea3ed73892f6cea59ffa0c96796c9e317d35f5f0c776f47204d49
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • goihang.net:80

  • goihang.net:22

  • goihang.net:8080

  • goihang.net:8880

  • goihang.net:2052

  • goihang.net:2082

  • goihang.net:2086

  • goihang.net:2095

  • goihang.net:443

  • goihang.net:2053

  • goihang.net:2083

  • goihang.net:2087

  • goihang.net:2096

  • goihang.net:8443

  • www.goihang.net:80

  • www.goihang.net:22

  • www.goihang.net:8080

  • www.goihang.net:8880

  • www.goihang.net:2052

  • www.goihang.net:2082

Mutex
  • prPcd0LaDKBh

Attributes
  • delay

    0

  • install

    true

  • install_file

    2fzq.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
  • Outbound SSH connection to public host 2 TTPs 3 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • 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\7f4274b5457ea3ed73892f6cea59ffa0c96796c9e317d35f5f0c776f47204d49.exe
    "C:\Users\Admin\AppData\Local\Temp\7f4274b5457ea3ed73892f6cea59ffa0c96796c9e317d35f5f0c776f47204d49.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2fzq" /tr '"C:\Users\Admin\AppData\Roaming\2fzq.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:1464
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "2fzq" /tr '"C:\Users\Admin\AppData\Roaming\2fzq.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4688
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4107.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:4928
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1756
      • C:\Users\Admin\AppData\Roaming\2fzq.exe
        "C:\Users\Admin\AppData\Roaming\2fzq.exe"
        3⤵
          PID:4420
    • C:\Users\Admin\AppData\Roaming\2fzq.exe
      "C:\Users\Admin\AppData\Roaming\2fzq.exe"
      1⤵
        PID:5804

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp4107.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp4107.tmp.bat
            • Size 148B
            • SHA256 aae58766600b43cedcd322b2d2433da7512d152b2a90a88b61cf012dea6a0cb3
            • MD5 SHA1 SHA512 TLSH

            2fzq.exe

            • Path C:\Users\Admin\AppData\Roaming\2fzq.exe
            • Size 45KB
            • SHA256 7f4274b5457ea3ed73892f6cea59ffa0c96796c9e317d35f5f0c776f47204d49
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2852-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

            memory/2852-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

            memory/2852-2-0x0000000074A80000-0x000000007523C000-memory.dmp

            memory/2852-3-0x0000000005650000-0x00000000056EC000-memory.dmp

            memory/2852-8-0x0000000074A80000-0x000000007523C000-memory.dmp

            memory/5804-12-0x0000000074910000-0x00000000750CC000-memory.dmp

            memory/5804-14-0x0000000074910000-0x00000000750CC000-memory.dmp