Overview

overview

10

Static

static

10

con cak.exe

windows10-2004-x64

10

con cak.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • 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
    22/08/2026, 11:44

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General

  • Target
    con cak.exe
  • Size 48KB
  • Sample260822-nwh17syshw
  • SHA256 fded5480d115a3ce3aed50b400f33a2f2947f00ad329c2f7acaaaa7c6d70e756
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 789wina.ws:6606

  • 789wina.ws:7707

  • 789wina.ws:8808

  • 789wina.ws:80

  • 789wina.ws:8080

  • 789wina.ws:443

  • 789wina.ws:8443

  • oasis789win.com:6606

  • oasis789win.com:7707

  • oasis789win.com:8808

  • oasis789win.com:80

  • oasis789win.com:8080

  • oasis789win.com:443

  • oasis789win.com:8443

  • qq589slot.co:6606

  • qq589slot.co:7707

  • qq589slot.co:8808

  • qq589slot.co:80

  • qq589slot.co:8080

  • qq589slot.co:443

Mutex

  • LOTUMciSzr7X

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    execution
  • 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.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\con cak.exe
    "C:\Users\Admin\AppData\Local\Temp\con cak.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3292
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6084
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCC25.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4240
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3336
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpCC25.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpCC25.tmp.bat
        • Size 151B
        • SHA256 63ab668fef640c8177915cce29a41e998bce489cc5cfd2d61a4d4b67f6c9321b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svchost.exe
        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 48KB
        • SHA256 fded5480d115a3ce3aed50b400f33a2f2947f00ad329c2f7acaaaa7c6d70e756
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1500-13-0x0000000074470000-0x0000000074C2C000-memory.dmp
        Download

        memory/1500-15-0x0000000074470000-0x0000000074C2C000-memory.dmp
        Download

        memory/5936-0-0x0000000074482000-0x0000000074483000-memory.dmp
        Download

        memory/5936-1-0x00000000006F0000-0x0000000000702000-memory.dmp
        Download

        memory/5936-2-0x0000000074470000-0x0000000074C2C000-memory.dmp
        Download

        memory/5936-3-0x00000000051B0000-0x0000000005216000-memory.dmp
        Download

        memory/5936-4-0x0000000005680000-0x000000000571C000-memory.dmp
        Download

        memory/5936-10-0x0000000074470000-0x0000000074C2C000-memory.dmp
        Download