Overview

overview

10

Static

static

10

e625d7cf7b...8a.exe

windows10-2004-x64

10

e625d7cf7b...8a.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    61s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 19:50

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General

  • Target
    e625d7cf7b4fd342d93374f222870b6310647cb9d8c8407ee35ed14d46c0478a.exe
  • Size 45KB
  • Sample260808-ykql1stejc
  • SHA256 35c7b618ae50243771e9fd9fdd6acb4ddd51639ac7f576025754a2bc35d8d1f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sextin.org:80

  • sextin.org:22

  • sextin.org:8080

  • sextin.org:8880

  • sextin.org:2052

  • sextin.org:2082

  • sextin.org:2086

  • sextin.org:2095

  • sextin.org:443

  • sextin.org:2053

  • sextin.org:2083

  • sextin.org:2087

  • sextin.org:2096

  • sextin.org:8443

  • www.sextin.org:80

  • www.sextin.org:22

  • www.sextin.org:8080

  • www.sextin.org:8880

  • www.sextin.org:2052

  • www.sextin.org:2082

Mutex

  • HrwTSW5bTvWL

Attributes
  • delay

    0

  • install

    true

  • install_file

    yll9rdh.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

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

    command_and_control
  • 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\e625d7cf7b4fd342d93374f222870b6310647cb9d8c8407ee35ed14d46c0478a.exe
    "C:\Users\Admin\AppData\Local\Temp\e625d7cf7b4fd342d93374f222870b6310647cb9d8c8407ee35ed14d46c0478a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "yll9rdh" /tr '"C:\Users\Admin\AppData\Roaming\yll9rdh.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:4832
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "yll9rdh" /tr '"C:\Users\Admin\AppData\Roaming\yll9rdh.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3504
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp112D.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:1468
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1532
      • C:\Users\Admin\AppData\Roaming\yll9rdh.exe
        "C:\Users\Admin\AppData\Roaming\yll9rdh.exe"
        3⤵
          PID:1056
    • C:\Users\Admin\AppData\Roaming\yll9rdh.exe
      "C:\Users\Admin\AppData\Roaming\yll9rdh.exe"
      1⤵
        PID:5040

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp112D.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp112D.tmp.bat
            • Size 151B
            • SHA256 65772ff72ac282ba3d170f12dfdcd4eb541330a7f80e8e8907f397becd3b404b
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            yll9rdh.exe
            • Path C:\Users\Admin\AppData\Roaming\yll9rdh.exe
            • Size 45KB
            • SHA256 35c7b618ae50243771e9fd9fdd6acb4ddd51639ac7f576025754a2bc35d8d1f1
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1208-0-0x0000000074472000-0x0000000074473000-memory.dmp
            Download

            memory/1208-1-0x0000000000C80000-0x0000000000C92000-memory.dmp
            Download

            memory/1208-2-0x0000000074460000-0x0000000074C1C000-memory.dmp
            Download

            memory/1208-3-0x00000000057F0000-0x000000000588C000-memory.dmp
            Download

            memory/1208-9-0x0000000074460000-0x0000000074C1C000-memory.dmp
            Download

            memory/5040-12-0x0000000074460000-0x0000000074C1C000-memory.dmp
            Download

            memory/5040-14-0x0000000074460000-0x0000000074C1C000-memory.dmp
            Download