Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 15:26

General

  • Target
    3f05b0abfc7f9302d13abb7433aba478d1d368d6d144f8de859eb2988d6ddda3.exe
  • Size 45KB
  • Sample260710-st5veaet71
  • SHA256 3f05b0abfc7f9302d13abb7433aba478d1d368d6d144f8de859eb2988d6ddda3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • x.sexclip.blog:80

  • x.sexclip.blog:22

  • x.sexclip.blog:8080

  • x.sexclip.blog:8880

  • x.sexclip.blog:2052

  • x.sexclip.blog:2082

  • x.sexclip.blog:2086

  • x.sexclip.blog:2095

  • x.sexclip.blog:443

  • x.sexclip.blog:2053

  • x.sexclip.blog:2083

  • x.sexclip.blog:2087

  • x.sexclip.blog:2096

  • x.sexclip.blog:8443

  • www.x.sexclip.blog:80

  • www.x.sexclip.blog:22

  • www.x.sexclip.blog:8080

  • www.x.sexclip.blog:8880

  • www.x.sexclip.blog:2052

  • www.x.sexclip.blog:2082

Mutex
  • FbHP0GnFjlYE

Attributes
  • delay

    0

  • install

    true

  • install_file

    fv0s.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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f05b0abfc7f9302d13abb7433aba478d1d368d6d144f8de859eb2988d6ddda3.exe
    "C:\Users\Admin\AppData\Local\Temp\3f05b0abfc7f9302d13abb7433aba478d1d368d6d144f8de859eb2988d6ddda3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fv0s" /tr '"C:\Users\Admin\AppData\Roaming\fv0s.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1404
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "fv0s" /tr '"C:\Users\Admin\AppData\Roaming\fv0s.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1184
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB70.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2788
      • C:\Users\Admin\AppData\Roaming\fv0s.exe
        "C:\Users\Admin\AppData\Roaming\fv0s.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2876
  • C:\Users\Admin\AppData\Roaming\fv0s.exe
    "C:\Users\Admin\AppData\Roaming\fv0s.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpB70.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpB70.tmp.bat
        • Size 147B
        • SHA256 5518a9ffb1e3cc5b58b3fd50e6bb414aa3d830bcabebcbf380704ce8a977671a
        • MD5 SHA1 SHA512 TLSH

        fv0s.exe

        • Path C:\Users\Admin\AppData\Roaming\fv0s.exe
        • Size 45KB
        • SHA256 3f05b0abfc7f9302d13abb7433aba478d1d368d6d144f8de859eb2988d6ddda3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1772-0-0x00000000744C2000-0x00000000744C3000-memory.dmp

        memory/1772-1-0x0000000000480000-0x0000000000492000-memory.dmp

        memory/1772-2-0x00000000744B0000-0x0000000074C6C000-memory.dmp

        memory/1772-3-0x0000000004E90000-0x0000000004F2C000-memory.dmp

        memory/1772-8-0x00000000744B0000-0x0000000074C6C000-memory.dmp

        memory/5704-12-0x0000000074340000-0x0000000074AFC000-memory.dmp

        memory/5704-14-0x0000000074340000-0x0000000074AFC000-memory.dmp