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
    03/08/2026, 18:06

General

  • Target
    e95e4d254248e057bb10207efdd1bf1f2ed7bf278418625386e35173c6795217.exe
  • Size 45KB
  • Sample260803-wpvenadd86
  • SHA256 e95e4d254248e057bb10207efdd1bf1f2ed7bf278418625386e35173c6795217
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimvkl.com:80

  • phimvkl.com:22

  • phimvkl.com:8080

  • phimvkl.com:8880

  • phimvkl.com:2052

  • phimvkl.com:2082

  • phimvkl.com:2086

  • phimvkl.com:2095

  • phimvkl.com:443

  • phimvkl.com:2053

  • phimvkl.com:2083

  • phimvkl.com:2087

  • phimvkl.com:2096

  • phimvkl.com:8443

  • www.phimvkl.com:80

  • www.phimvkl.com:22

  • www.phimvkl.com:8080

  • www.phimvkl.com:8880

  • www.phimvkl.com:2052

  • www.phimvkl.com:2082

Mutex
  • 9x0bNyYNDpMD

Attributes
  • delay

    0

  • install

    true

  • install_file

    f8rpqnll.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
  • Outbound SSH connection to public host 2 TTPs 1 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • 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.

  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e95e4d254248e057bb10207efdd1bf1f2ed7bf278418625386e35173c6795217.exe
    "C:\Users\Admin\AppData\Local\Temp\e95e4d254248e057bb10207efdd1bf1f2ed7bf278418625386e35173c6795217.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f8rpqnll" /tr '"C:\Users\Admin\AppData\Roaming\f8rpqnll.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5856
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "f8rpqnll" /tr '"C:\Users\Admin\AppData\Roaming\f8rpqnll.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2044
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8A54.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4864
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:6044
      • C:\Users\Admin\AppData\Roaming\f8rpqnll.exe
        "C:\Users\Admin\AppData\Roaming\f8rpqnll.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3212
  • C:\Users\Admin\AppData\Roaming\f8rpqnll.exe
    "C:\Users\Admin\AppData\Roaming\f8rpqnll.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4652

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp8A54.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp8A54.tmp.bat
        • Size 152B
        • SHA256 fc037fd56ecdad66fdf46edf9b2661ee9ae379ae6bf7a2766a9517ee6a36eb9c
        • MD5 SHA1 SHA512 TLSH

        f8rpqnll.exe

        • Path C:\Users\Admin\AppData\Roaming\f8rpqnll.exe
        • Size 45KB
        • SHA256 e95e4d254248e057bb10207efdd1bf1f2ed7bf278418625386e35173c6795217
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4652-12-0x0000000074780000-0x0000000074F3C000-memory.dmp

        memory/4652-14-0x0000000074780000-0x0000000074F3C000-memory.dmp

        memory/5976-0-0x0000000074792000-0x0000000074793000-memory.dmp

        memory/5976-1-0x0000000000140000-0x0000000000152000-memory.dmp

        memory/5976-2-0x0000000074780000-0x0000000074F3C000-memory.dmp

        memory/5976-3-0x0000000004C30000-0x0000000004CCC000-memory.dmp

        memory/5976-8-0x0000000074780000-0x0000000074F3C000-memory.dmp