Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 15:55

General

  • Target
    67fca5da142c56d38b46dc0c0803081c436cd17b38f73b9503fccb03f31d4a68.exe
  • Size 45KB
  • Sample260712-tc4rfscx2p
  • SHA256 67fca5da142c56d38b46dc0c0803081c436cd17b38f73b9503fccb03f31d4a68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xnxxsex.mobi:80

  • xnxxsex.mobi:22

  • xnxxsex.mobi:8080

  • xnxxsex.mobi:8880

  • xnxxsex.mobi:2052

  • xnxxsex.mobi:2082

  • xnxxsex.mobi:2086

  • xnxxsex.mobi:2095

  • xnxxsex.mobi:443

  • xnxxsex.mobi:2053

  • xnxxsex.mobi:2083

  • xnxxsex.mobi:2087

  • xnxxsex.mobi:2096

  • xnxxsex.mobi:8443

  • www.xnxxsex.mobi:80

  • www.xnxxsex.mobi:22

  • www.xnxxsex.mobi:8080

  • www.xnxxsex.mobi:8880

  • www.xnxxsex.mobi:2052

  • www.xnxxsex.mobi:2082

Mutex
  • j2IxrrTDAioF

Attributes
  • delay

    0

  • install

    true

  • install_file

    rvf5c.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\67fca5da142c56d38b46dc0c0803081c436cd17b38f73b9503fccb03f31d4a68.exe
    "C:\Users\Admin\AppData\Local\Temp\67fca5da142c56d38b46dc0c0803081c436cd17b38f73b9503fccb03f31d4a68.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "rvf5c" /tr '"C:\Users\Admin\AppData\Roaming\rvf5c.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5556
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "rvf5c" /tr '"C:\Users\Admin\AppData\Roaming\rvf5c.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4208
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E74.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1264
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4148
      • C:\Users\Admin\AppData\Roaming\rvf5c.exe
        "C:\Users\Admin\AppData\Roaming\rvf5c.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5472
  • C:\Users\Admin\AppData\Roaming\rvf5c.exe
    "C:\Users\Admin\AppData\Roaming\rvf5c.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4E74.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4E74.tmp.bat
        • Size 149B
        • SHA256 3d62db51adee74f7628f57374b4404568df2dee199fcab62a62d9b636bd067cf
        • MD5 SHA1 SHA512 TLSH

        rvf5c.exe

        • Path C:\Users\Admin\AppData\Roaming\rvf5c.exe
        • Size 45KB
        • SHA256 67fca5da142c56d38b46dc0c0803081c436cd17b38f73b9503fccb03f31d4a68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2780-12-0x0000000074290000-0x0000000074A4C000-memory.dmp

        memory/2780-14-0x0000000074290000-0x0000000074A4C000-memory.dmp

        memory/4300-0-0x00000000742A2000-0x00000000742A3000-memory.dmp

        memory/4300-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

        memory/4300-2-0x0000000074290000-0x0000000074A4C000-memory.dmp

        memory/4300-3-0x0000000005490000-0x000000000552C000-memory.dmp

        memory/4300-9-0x0000000074290000-0x0000000074A4C000-memory.dmp