Overview

overview

10

Static

static

10

17ce318ee4...2c.exe

windows10-2004-x64

10

17ce318ee4...2c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 16:52

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General

  • Target
    17ce318ee4e9b13b8db946ffd3c09d33deed74cacf6966f1b9de8ba37698272c.exe
  • Size 45KB
  • Sample260804-vdflpadh24
  • SHA256 17ce318ee4e9b13b8db946ffd3c09d33deed74cacf6966f1b9de8ba37698272c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • bulon.vip:80

  • bulon.vip:22

  • bulon.vip:8080

  • bulon.vip:8880

  • bulon.vip:2052

  • bulon.vip:2082

  • bulon.vip:2086

  • bulon.vip:2095

  • bulon.vip:443

  • bulon.vip:2053

  • bulon.vip:2083

  • bulon.vip:2087

  • bulon.vip:2096

  • bulon.vip:8443

  • www.bulon.vip:80

  • www.bulon.vip:22

  • www.bulon.vip:8080

  • www.bulon.vip:8880

  • www.bulon.vip:2052

  • www.bulon.vip:2082

Mutex

  • xcPn3aL3vS4s

Attributes
  • delay

    0

  • install

    true

  • install_file

    8ufst.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
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17ce318ee4e9b13b8db946ffd3c09d33deed74cacf6966f1b9de8ba37698272c.exe
    "C:\Users\Admin\AppData\Local\Temp\17ce318ee4e9b13b8db946ffd3c09d33deed74cacf6966f1b9de8ba37698272c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8ufst" /tr '"C:\Users\Admin\AppData\Roaming\8ufst.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "8ufst" /tr '"C:\Users\Admin\AppData\Roaming\8ufst.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2C17.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1064
      • C:\Users\Admin\AppData\Roaming\8ufst.exe
        "C:\Users\Admin\AppData\Roaming\8ufst.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4272
  • C:\Users\Admin\AppData\Roaming\8ufst.exe
    "C:\Users\Admin\AppData\Roaming\8ufst.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5244

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp2C17.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp2C17.tmp.bat
        • Size 149B
        • SHA256 ef8a85c8b9a6b4bb66b6a3271339cb162ce2f2b25640d21bc36a3543c9e320ae
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        8ufst.exe
        • Path C:\Users\Admin\AppData\Roaming\8ufst.exe
        • Size 45KB
        • SHA256 17ce318ee4e9b13b8db946ffd3c09d33deed74cacf6966f1b9de8ba37698272c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2292-0-0x0000000074792000-0x0000000074793000-memory.dmp
        Download

        memory/2292-1-0x0000000000130000-0x0000000000142000-memory.dmp
        Download

        memory/2292-2-0x0000000074780000-0x0000000074F3C000-memory.dmp
        Download

        memory/2292-3-0x0000000004B10000-0x0000000004BAC000-memory.dmp
        Download

        memory/2292-8-0x0000000074780000-0x0000000074F3C000-memory.dmp
        Download

        memory/5244-12-0x0000000073F82000-0x0000000073F83000-memory.dmp
        Download