Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 17:16

General

  • Target
    05a74f038861d669436fd56ab9aac7c336e411f704217f60ae27a536a6d8e178.exe
  • Size 45KB
  • Sample260707-vtmpyaa19j
  • SHA256 05a74f038861d669436fd56ab9aac7c336e411f704217f60ae27a536a6d8e178
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • northspecialty.com:80

  • northspecialty.com:22

  • northspecialty.com:8080

  • northspecialty.com:8880

  • northspecialty.com:2052

  • northspecialty.com:2082

  • northspecialty.com:2086

  • northspecialty.com:2095

  • northspecialty.com:443

  • northspecialty.com:2053

  • northspecialty.com:2083

  • northspecialty.com:2087

  • northspecialty.com:2096

  • northspecialty.com:8443

  • www.northspecialty.com:80

  • www.northspecialty.com:22

  • www.northspecialty.com:8080

  • www.northspecialty.com:8880

  • www.northspecialty.com:2052

  • www.northspecialty.com:2082

Mutex
  • 4TqmhHt1ghnF

Attributes
  • delay

    0

  • install

    true

  • install_file

    d744ow.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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05a74f038861d669436fd56ab9aac7c336e411f704217f60ae27a536a6d8e178.exe
    "C:\Users\Admin\AppData\Local\Temp\05a74f038861d669436fd56ab9aac7c336e411f704217f60ae27a536a6d8e178.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "d744ow" /tr '"C:\Users\Admin\AppData\Roaming\d744ow.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "d744ow" /tr '"C:\Users\Admin\AppData\Roaming\d744ow.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5476
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2D6F.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1780
      • C:\Users\Admin\AppData\Roaming\d744ow.exe
        "C:\Users\Admin\AppData\Roaming\d744ow.exe"
        3⤵
          PID:2564
    • C:\Users\Admin\AppData\Roaming\d744ow.exe
      "C:\Users\Admin\AppData\Roaming\d744ow.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2596

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp2D6F.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp2D6F.tmp.bat
          • Size 150B
          • SHA256 edf1aeeec642addbe44c75582aeee5f253527194880211ac0f5cb4207dca5e82
          • MD5 SHA1 SHA512 TLSH

          d744ow.exe

          • Path C:\Users\Admin\AppData\Roaming\d744ow.exe
          • Size 45KB
          • SHA256 05a74f038861d669436fd56ab9aac7c336e411f704217f60ae27a536a6d8e178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2596-12-0x0000000074350000-0x0000000074B0C000-memory.dmp

          memory/2596-14-0x0000000074350000-0x0000000074B0C000-memory.dmp

          memory/4180-0-0x0000000074362000-0x0000000074363000-memory.dmp

          memory/4180-1-0x0000000000780000-0x0000000000792000-memory.dmp

          memory/4180-2-0x0000000074350000-0x0000000074B0C000-memory.dmp

          memory/4180-3-0x0000000005320000-0x00000000053BC000-memory.dmp

          memory/4180-9-0x0000000074350000-0x0000000074B0C000-memory.dmp