Overview

overview

10

Static

static

10

42b4e3a1b1...0d.exe

windows10-2004-x64

10

42b4e3a1b1...0d.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    60s
  • max time network
    63s
  • 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, 19:15

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General

  • Target
    42b4e3a1b1224c9136f15f9c0ed8e7778610d500413d8a34170fd2db06ce880d.exe
  • Size 45KB
  • Sample260802-xye7rseq9y
  • SHA256 42b4e3a1b1224c9136f15f9c0ed8e7778610d500413d8a34170fd2db06ce880d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vnsextop1.com:80

  • vnsextop1.com:22

  • vnsextop1.com:8080

  • vnsextop1.com:8880

  • vnsextop1.com:2052

  • vnsextop1.com:2082

  • vnsextop1.com:2086

  • vnsextop1.com:2095

  • vnsextop1.com:443

  • vnsextop1.com:2053

  • vnsextop1.com:2083

  • vnsextop1.com:2087

  • vnsextop1.com:2096

  • vnsextop1.com:8443

  • www.vnsextop1.com:80

  • www.vnsextop1.com:22

  • www.vnsextop1.com:8080

  • www.vnsextop1.com:8880

  • www.vnsextop1.com:2052

  • www.vnsextop1.com:2082

Mutex

  • 46ehD1M3Q5QH

Attributes
  • delay

    0

  • install

    true

  • install_file

    juuve6jj.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

    execution
  • 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.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution

Processes

  • C:\Users\Admin\AppData\Local\Temp\42b4e3a1b1224c9136f15f9c0ed8e7778610d500413d8a34170fd2db06ce880d.exe
    "C:\Users\Admin\AppData\Local\Temp\42b4e3a1b1224c9136f15f9c0ed8e7778610d500413d8a34170fd2db06ce880d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "juuve6jj" /tr '"C:\Users\Admin\AppData\Roaming\juuve6jj.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:3464
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "juuve6jj" /tr '"C:\Users\Admin\AppData\Roaming\juuve6jj.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF23B.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:4728
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3120
      • C:\Users\Admin\AppData\Roaming\juuve6jj.exe
        "C:\Users\Admin\AppData\Roaming\juuve6jj.exe"
        3⤵
          PID:472
    • C:\Users\Admin\AppData\Roaming\juuve6jj.exe
      "C:\Users\Admin\AppData\Roaming\juuve6jj.exe"
      1⤵
        PID:3340

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmpF23B.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmpF23B.tmp.bat
            • Size 152B
            • SHA256 da14377dc315e4ebb9aa6c2332d27de114a46d5bc72340f99cf83a30143cd69e
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            juuve6jj.exe
            • Path C:\Users\Admin\AppData\Roaming\juuve6jj.exe
            • Size 45KB
            • SHA256 42b4e3a1b1224c9136f15f9c0ed8e7778610d500413d8a34170fd2db06ce880d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3340-12-0x00000000741B0000-0x000000007496C000-memory.dmp
            Download

            memory/3340-14-0x00000000741B0000-0x000000007496C000-memory.dmp
            Download

            memory/4956-0-0x0000000074332000-0x0000000074333000-memory.dmp
            Download

            memory/4956-1-0x0000000000CF0000-0x0000000000D02000-memory.dmp
            Download

            memory/4956-2-0x0000000074320000-0x0000000074ADC000-memory.dmp
            Download

            memory/4956-3-0x00000000056B0000-0x000000000574C000-memory.dmp
            Download

            memory/4956-8-0x0000000074320000-0x0000000074ADC000-memory.dmp
            Download