Analysis

  • max time kernel
    2s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 14:19

General

  • Target
    520112139ae586160d21e8f64d9ea9e1855a8beddc1ffa65ba6a81ddd19f3668.exe
  • Size 45KB
  • Sample260801-rmw39ack8t
  • SHA256 520112139ae586160d21e8f64d9ea9e1855a8beddc1ffa65ba6a81ddd19f3668
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • zorvec.top:80

  • zorvec.top:22

  • zorvec.top:8080

  • zorvec.top:8880

  • zorvec.top:2052

  • zorvec.top:2082

  • zorvec.top:2086

  • zorvec.top:2095

  • zorvec.top:443

  • zorvec.top:2053

  • zorvec.top:2083

  • zorvec.top:2087

  • zorvec.top:2096

  • zorvec.top:8443

  • www.zorvec.top:80

  • www.zorvec.top:22

  • www.zorvec.top:8080

  • www.zorvec.top:8880

  • www.zorvec.top:2052

  • www.zorvec.top:2082

Mutex
  • Ca8ipmDWaBj7

Attributes
  • delay

    0

  • install

    true

  • install_file

    fg9kyx.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 4 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\520112139ae586160d21e8f64d9ea9e1855a8beddc1ffa65ba6a81ddd19f3668.exe
    "C:\Users\Admin\AppData\Local\Temp\520112139ae586160d21e8f64d9ea9e1855a8beddc1ffa65ba6a81ddd19f3668.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2420
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fg9kyx" /tr '"C:\Users\Admin\AppData\Roaming\fg9kyx.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:5288
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "fg9kyx" /tr '"C:\Users\Admin\AppData\Roaming\fg9kyx.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4260
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD25.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:4948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2748
      • C:\Users\Admin\AppData\Roaming\fg9kyx.exe
        "C:\Users\Admin\AppData\Roaming\fg9kyx.exe"
        3⤵
          PID:2492
    • C:\Users\Admin\AppData\Roaming\fg9kyx.exe
      "C:\Users\Admin\AppData\Roaming\fg9kyx.exe"
      1⤵
        PID:4448

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmpD25.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmpD25.tmp.bat
            • Size 149B
            • SHA256 327f53a819c45d62f2dbeb2dd1a7d0ee5cba10f2d712090804f681aa0f990d29
            • MD5 SHA1 SHA512 TLSH

            fg9kyx.exe

            • Path C:\Users\Admin\AppData\Roaming\fg9kyx.exe
            • Size 45KB
            • SHA256 520112139ae586160d21e8f64d9ea9e1855a8beddc1ffa65ba6a81ddd19f3668
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2420-0-0x00000000744C2000-0x00000000744C3000-memory.dmp

            memory/2420-1-0x00000000003C0000-0x00000000003D2000-memory.dmp

            memory/2420-2-0x00000000744B0000-0x0000000074C6C000-memory.dmp

            memory/2420-3-0x0000000004E10000-0x0000000004EAC000-memory.dmp

            memory/2420-8-0x00000000744B0000-0x0000000074C6C000-memory.dmp

            memory/4448-12-0x00000000742B0000-0x0000000074A6C000-memory.dmp

            memory/4448-14-0x00000000742B0000-0x0000000074A6C000-memory.dmp