Overview

overview

10

Static

static

10

11d2d66c0f...81.exe

windows10-2004-x64

10

11d2d66c0f...81.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    147s
  • 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, 15:43

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General

  • Target
    11d2d66c0fb74650b887236d8b48848da8750e01a2d01098ab9ed063f4905581.exe
  • Size 45KB
  • Sample260712-s55nsact8n
  • SHA256 11d2d66c0fb74650b887236d8b48848da8750e01a2d01098ab9ed063f4905581
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • viet69.be:80

  • viet69.be:22

  • viet69.be:8080

  • viet69.be:8880

  • viet69.be:2052

  • viet69.be:2082

  • viet69.be:2086

  • viet69.be:2095

  • viet69.be:443

  • viet69.be:2053

  • viet69.be:2083

  • viet69.be:2087

  • viet69.be:2096

  • viet69.be:8443

  • www.viet69.be:80

  • www.viet69.be:22

  • www.viet69.be:8080

  • www.viet69.be:8880

  • www.viet69.be:2052

  • www.viet69.be:2082

Mutex

  • COxgrMDs4ovj

Attributes
  • delay

    0

  • install

    true

  • install_file

    2539vp3q.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 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.

    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
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11d2d66c0fb74650b887236d8b48848da8750e01a2d01098ab9ed063f4905581.exe
    "C:\Users\Admin\AppData\Local\Temp\11d2d66c0fb74650b887236d8b48848da8750e01a2d01098ab9ed063f4905581.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5720
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "2539vp3q" /tr '"C:\Users\Admin\AppData\Roaming\2539vp3q.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "2539vp3q" /tr '"C:\Users\Admin\AppData\Roaming\2539vp3q.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5080
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp478E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4348
      • C:\Users\Admin\AppData\Roaming\2539vp3q.exe
        "C:\Users\Admin\AppData\Roaming\2539vp3q.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2460
  • C:\Users\Admin\AppData\Roaming\2539vp3q.exe
    "C:\Users\Admin\AppData\Roaming\2539vp3q.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1872

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp478E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp478E.tmp.bat
        • Size 152B
        • SHA256 17d77ec654635984d57fe94ce1340d12ed965084b55a21b5c620752d2cab1d7e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        2539vp3q.exe
        • Path C:\Users\Admin\AppData\Roaming\2539vp3q.exe
        • Size 45KB
        • SHA256 11d2d66c0fb74650b887236d8b48848da8750e01a2d01098ab9ed063f4905581
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1872-12-0x00000000747D0000-0x0000000074F8C000-memory.dmp
        Download

        memory/1872-14-0x00000000747D0000-0x0000000074F8C000-memory.dmp
        Download

        memory/5720-0-0x0000000074952000-0x0000000074953000-memory.dmp
        Download

        memory/5720-1-0x0000000000180000-0x0000000000192000-memory.dmp
        Download

        memory/5720-2-0x0000000074940000-0x00000000750FC000-memory.dmp
        Download

        memory/5720-3-0x0000000004CE0000-0x0000000004D7C000-memory.dmp
        Download

        memory/5720-8-0x0000000074940000-0x00000000750FC000-memory.dmp
        Download