Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 16:52

General

  • Target
    a6960f9260e7a80bab20104a188238b12cd893b8dceaaea42d20a507172fcaec.exe
  • Size 45KB
  • Sample260702-vdpvcsft4q
  • SHA256 a6960f9260e7a80bab20104a188238b12cd893b8dceaaea42d20a507172fcaec
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • chickengeeks.com:80

  • chickengeeks.com:22

  • chickengeeks.com:8080

  • chickengeeks.com:8880

  • chickengeeks.com:2052

  • chickengeeks.com:2082

  • chickengeeks.com:2086

  • chickengeeks.com:2095

  • chickengeeks.com:443

  • chickengeeks.com:2053

  • chickengeeks.com:2083

  • chickengeeks.com:2087

  • chickengeeks.com:2096

  • chickengeeks.com:8443

  • www.chickengeeks.com:80

  • www.chickengeeks.com:22

  • www.chickengeeks.com:8080

  • www.chickengeeks.com:8880

  • www.chickengeeks.com:2052

  • www.chickengeeks.com:2082

Mutex
  • xYPkEFuoPITk

Attributes
  • delay

    0

  • install

    true

  • install_file

    f90ts.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\a6960f9260e7a80bab20104a188238b12cd893b8dceaaea42d20a507172fcaec.exe
    "C:\Users\Admin\AppData\Local\Temp\a6960f9260e7a80bab20104a188238b12cd893b8dceaaea42d20a507172fcaec.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f90ts" /tr '"C:\Users\Admin\AppData\Roaming\f90ts.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3200
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "f90ts" /tr '"C:\Users\Admin\AppData\Roaming\f90ts.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5312
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp15C0.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4700
      • C:\Users\Admin\AppData\Roaming\f90ts.exe
        "C:\Users\Admin\AppData\Roaming\f90ts.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5140
  • C:\Users\Admin\AppData\Roaming\f90ts.exe
    "C:\Users\Admin\AppData\Roaming\f90ts.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp15C0.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp15C0.tmp.bat
        • Size 149B
        • SHA256 a1a4e202eebb9fd9bb7bdccd33b0cd546b932bc8c564341c7c1fbb0fee77be42
        • MD5 SHA1 SHA512 TLSH

        f90ts.exe

        • Path C:\Users\Admin\AppData\Roaming\f90ts.exe
        • Size 45KB
        • SHA256 a6960f9260e7a80bab20104a188238b12cd893b8dceaaea42d20a507172fcaec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/980-12-0x0000000075050000-0x000000007580C000-memory.dmp

        memory/980-14-0x0000000075050000-0x000000007580C000-memory.dmp

        memory/3104-0-0x0000000075062000-0x0000000075063000-memory.dmp

        memory/3104-1-0x00000000003A0000-0x00000000003B2000-memory.dmp

        memory/3104-2-0x0000000075050000-0x000000007580C000-memory.dmp

        memory/3104-3-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

        memory/3104-9-0x0000000075050000-0x000000007580C000-memory.dmp