Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 04:16

General

  • Target
    a20ab15298fc5d1c43974c680287a4e83e224cc130c32945b4857715ff63e04c.exe
  • Size 45KB
  • Sample260708-evs1cabt7m
  • SHA256 a20ab15298fc5d1c43974c680287a4e83e224cc130c32945b4857715ff63e04c
  • 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
  • GBNmouAKyFWS

Attributes
  • delay

    0

  • install

    true

  • install_file

    jcw06nyx.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a20ab15298fc5d1c43974c680287a4e83e224cc130c32945b4857715ff63e04c.exe
    "C:\Users\Admin\AppData\Local\Temp\a20ab15298fc5d1c43974c680287a4e83e224cc130c32945b4857715ff63e04c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "jcw06nyx" /tr '"C:\Users\Admin\AppData\Roaming\jcw06nyx.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3036
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "jcw06nyx" /tr '"C:\Users\Admin\AppData\Roaming\jcw06nyx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3048
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2EA7.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2700
      • C:\Users\Admin\AppData\Roaming\jcw06nyx.exe
        "C:\Users\Admin\AppData\Roaming\jcw06nyx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4692
  • C:\Users\Admin\AppData\Roaming\jcw06nyx.exe
    "C:\Users\Admin\AppData\Roaming\jcw06nyx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3684

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp2EA7.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp2EA7.tmp.bat
        • Size 152B
        • SHA256 3849a26e0453f9fecb8cc29009618a5093f2ca4a2bfe68ca1f9e4ce12fa9de38
        • MD5 SHA1 SHA512 TLSH

        jcw06nyx.exe

        • Path C:\Users\Admin\AppData\Roaming\jcw06nyx.exe
        • Size 45KB
        • SHA256 a20ab15298fc5d1c43974c680287a4e83e224cc130c32945b4857715ff63e04c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3684-12-0x0000000074540000-0x0000000074CFC000-memory.dmp

        memory/3684-14-0x0000000074540000-0x0000000074CFC000-memory.dmp

        memory/3916-0-0x0000000074722000-0x0000000074723000-memory.dmp

        memory/3916-1-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

        memory/3916-2-0x0000000074710000-0x0000000074ECC000-memory.dmp

        memory/3916-3-0x0000000005790000-0x000000000582C000-memory.dmp

        memory/3916-8-0x0000000074710000-0x0000000074ECC000-memory.dmp