Overview

overview

10

Static

static

10

b771473cf9...61.exe

windows10-2004-x64

10

b771473cf9...61.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 12:37

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    b771473cf95b4cb087df843eecde0e41dbbc1ba5378138faf101f8f30d2f4361.exe
  • Size 45KB
  • Sample260701-ptyvbaet2k
  • SHA256 b771473cf95b4cb087df843eecde0e41dbbc1ba5378138faf101f8f30d2f4361
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemphimxxxhay.com:80

  • xemphimxxxhay.com:22

  • xemphimxxxhay.com:8080

  • xemphimxxxhay.com:8880

  • xemphimxxxhay.com:2052

  • xemphimxxxhay.com:2082

  • xemphimxxxhay.com:2086

  • xemphimxxxhay.com:2095

  • xemphimxxxhay.com:443

  • xemphimxxxhay.com:2053

  • xemphimxxxhay.com:2083

  • xemphimxxxhay.com:2087

  • xemphimxxxhay.com:2096

  • xemphimxxxhay.com:8443

  • www.xemphimxxxhay.com:80

  • www.xemphimxxxhay.com:22

  • www.xemphimxxxhay.com:8080

  • www.xemphimxxxhay.com:8880

  • www.xemphimxxxhay.com:2052

  • www.xemphimxxxhay.com:2082

Mutex

  • miOWvALFdUeo

Attributes
  • delay

    0

  • install

    true

  • install_file

    l6lb.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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b771473cf95b4cb087df843eecde0e41dbbc1ba5378138faf101f8f30d2f4361.exe
    "C:\Users\Admin\AppData\Local\Temp\b771473cf95b4cb087df843eecde0e41dbbc1ba5378138faf101f8f30d2f4361.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "l6lb" /tr '"C:\Users\Admin\AppData\Roaming\l6lb.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5868
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "l6lb" /tr '"C:\Users\Admin\AppData\Roaming\l6lb.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5844
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB06F.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5768
      • C:\Users\Admin\AppData\Roaming\l6lb.exe
        "C:\Users\Admin\AppData\Roaming\l6lb.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4936
  • C:\Users\Admin\AppData\Roaming\l6lb.exe
    "C:\Users\Admin\AppData\Roaming\l6lb.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpB06F.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpB06F.tmp.bat
        • Size 148B
        • SHA256 568eebffa30559c59bfc2cd449ce5e3fe4ad9abb06b23f9e05ddd56f0bd0e9d6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        l6lb.exe
        • Path C:\Users\Admin\AppData\Roaming\l6lb.exe
        • Size 45KB
        • SHA256 b771473cf95b4cb087df843eecde0e41dbbc1ba5378138faf101f8f30d2f4361
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2524-0-0x0000000074F52000-0x0000000074F53000-memory.dmp
        Download

        memory/2524-1-0x0000000000610000-0x0000000000622000-memory.dmp
        Download

        memory/2524-2-0x0000000074F40000-0x00000000756FC000-memory.dmp
        Download

        memory/2524-3-0x00000000051B0000-0x000000000524C000-memory.dmp
        Download

        memory/2524-8-0x0000000074F40000-0x00000000756FC000-memory.dmp
        Download

        memory/5896-12-0x0000000074DD0000-0x000000007558C000-memory.dmp
        Download

        memory/5896-14-0x0000000074DD0000-0x000000007558C000-memory.dmp
        Download