Analysis

  • max time kernel
    60s
  • max time network
    60s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 19:13

General

  • Target
    08c1cfea2ba8549f04d482e4107a4f59f46c5fcdd4d753015ab532ea9db2eee0.exe
  • Size 45KB
  • Sample260802-xxdmjswtft
  • SHA256 08c1cfea2ba8549f04d482e4107a4f59f46c5fcdd4d753015ab532ea9db2eee0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • fimsexvietnam.com:80

  • fimsexvietnam.com:22

  • fimsexvietnam.com:8080

  • fimsexvietnam.com:8880

  • fimsexvietnam.com:2052

  • fimsexvietnam.com:2082

  • fimsexvietnam.com:2086

  • fimsexvietnam.com:2095

  • fimsexvietnam.com:443

  • fimsexvietnam.com:2053

  • fimsexvietnam.com:2083

  • fimsexvietnam.com:2087

  • fimsexvietnam.com:2096

  • fimsexvietnam.com:8443

  • www.fimsexvietnam.com:80

  • www.fimsexvietnam.com:22

  • www.fimsexvietnam.com:8080

  • www.fimsexvietnam.com:8880

  • www.fimsexvietnam.com:2052

  • www.fimsexvietnam.com:2082

Mutex
  • VoNxmDsNhUbZ

Attributes
  • delay

    0

  • install

    true

  • install_file

    7p5n4j.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 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 1 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\08c1cfea2ba8549f04d482e4107a4f59f46c5fcdd4d753015ab532ea9db2eee0.exe
    "C:\Users\Admin\AppData\Local\Temp\08c1cfea2ba8549f04d482e4107a4f59f46c5fcdd4d753015ab532ea9db2eee0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "7p5n4j" /tr '"C:\Users\Admin\AppData\Roaming\7p5n4j.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:4872
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "7p5n4j" /tr '"C:\Users\Admin\AppData\Roaming\7p5n4j.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1720
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1D33.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:2156
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:908
      • C:\Users\Admin\AppData\Roaming\7p5n4j.exe
        "C:\Users\Admin\AppData\Roaming\7p5n4j.exe"
        3⤵
          PID:5060
    • C:\Users\Admin\AppData\Roaming\7p5n4j.exe
      "C:\Users\Admin\AppData\Roaming\7p5n4j.exe"
      1⤵
        PID:1544

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            tmp1D33.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp1D33.tmp.bat
            • Size 150B
            • SHA256 be8fabe8182c35cff74b35de1bc0365fe979dcdd60958f75cd1a6e5eb32cf4cd
            • MD5 SHA1 SHA512 TLSH

            7p5n4j.exe

            • Path C:\Users\Admin\AppData\Roaming\7p5n4j.exe
            • Size 45KB
            • SHA256 08c1cfea2ba8549f04d482e4107a4f59f46c5fcdd4d753015ab532ea9db2eee0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1544-12-0x0000000073D62000-0x0000000073D63000-memory.dmp

            memory/4124-0-0x0000000074532000-0x0000000074533000-memory.dmp

            memory/4124-1-0x0000000000CB0000-0x0000000000CC2000-memory.dmp

            memory/4124-2-0x0000000074520000-0x0000000074CDC000-memory.dmp

            memory/4124-3-0x0000000005680000-0x000000000571C000-memory.dmp

            memory/4124-8-0x0000000074520000-0x0000000074CDC000-memory.dmp