Overview

overview

10

Static

static

10

2545ea9f52...b7.exe

windows10-2004-x64

10

2545ea9f52...b7.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 12:20

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General

  • Target
    2545ea9f52bca1562028b5ab5ded8a4ebcc2049839a1db8b7a589ba4f511eab7.exe
  • Size 45KB
  • Sample260707-ph549aey7r
  • SHA256 2545ea9f52bca1562028b5ab5ded8a4ebcc2049839a1db8b7a589ba4f511eab7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vlxxzz.net:80

  • vlxxzz.net:22

  • vlxxzz.net:8080

  • vlxxzz.net:8880

  • vlxxzz.net:2052

  • vlxxzz.net:2082

  • vlxxzz.net:2086

  • vlxxzz.net:2095

  • vlxxzz.net:443

  • vlxxzz.net:2053

  • vlxxzz.net:2083

  • vlxxzz.net:2087

  • vlxxzz.net:2096

  • vlxxzz.net:8443

  • www.vlxxzz.net:80

  • www.vlxxzz.net:22

  • www.vlxxzz.net:8080

  • www.vlxxzz.net:8880

  • www.vlxxzz.net:2052

  • www.vlxxzz.net:2082

Mutex

  • zFaNJo4e4gPM

Attributes
  • delay

    0

  • install

    true

  • install_file

    636cqlk.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\2545ea9f52bca1562028b5ab5ded8a4ebcc2049839a1db8b7a589ba4f511eab7.exe
    "C:\Users\Admin\AppData\Local\Temp\2545ea9f52bca1562028b5ab5ded8a4ebcc2049839a1db8b7a589ba4f511eab7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "636cqlk" /tr '"C:\Users\Admin\AppData\Roaming\636cqlk.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "636cqlk" /tr '"C:\Users\Admin\AppData\Roaming\636cqlk.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3580
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9CD3.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3372
      • C:\Users\Admin\AppData\Roaming\636cqlk.exe
        "C:\Users\Admin\AppData\Roaming\636cqlk.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1032
  • C:\Users\Admin\AppData\Roaming\636cqlk.exe
    "C:\Users\Admin\AppData\Roaming\636cqlk.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1380
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5796

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp9CD3.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp9CD3.tmp.bat
          • Size 151B
          • SHA256 c2fa429cebc1e4b7e3dc31b7c744e59446c9c87f8d537d7a44cef48c53a60dcb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          636cqlk.exe
          • Path C:\Users\Admin\AppData\Roaming\636cqlk.exe
          • Size 45KB
          • SHA256 2545ea9f52bca1562028b5ab5ded8a4ebcc2049839a1db8b7a589ba4f511eab7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1380-12-0x00000000742A0000-0x0000000074A5C000-memory.dmp
          Download

          memory/1380-14-0x00000000742A0000-0x0000000074A5C000-memory.dmp
          Download

          memory/3180-0-0x00000000742B2000-0x00000000742B3000-memory.dmp
          Download

          memory/3180-1-0x0000000000D00000-0x0000000000D12000-memory.dmp
          Download

          memory/3180-2-0x00000000742A0000-0x0000000074A5C000-memory.dmp
          Download

          memory/3180-3-0x00000000057F0000-0x000000000588C000-memory.dmp
          Download

          memory/3180-8-0x00000000742A0000-0x0000000074A5C000-memory.dmp
          Download