Overview

overview

10

Static

static

10

5376db79af...b5.exe

windows10-2004-x64

10

5376db79af...b5.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    12s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 15:19

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General

  • Target
    5376db79af5443ce72dade59d60bf0172a3d8333271b07d1ea2aa4c02ae1edb5.exe
  • Size 241KB
  • Sample260810-sp9b2axtcy
  • SHA256 5376db79af5443ce72dade59d60bf0172a3d8333271b07d1ea2aa4c02ae1edb5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
servicedefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • service

C2

  • ibuslot.me:21

  • ibuslot.me:8080

  • ibuslot.me:3306

  • ibuslot.me:443

  • www.ibuslot.me:21

  • www.ibuslot.me:8080

  • www.ibuslot.me:3306

  • www.ibuslot.me:443

  • malware.ibuslot.me:21

  • malware.ibuslot.me:8080

  • malware.ibuslot.me:3306

  • malware.ibuslot.me:443

  • http://ibuslot.me/:21

  • http://ibuslot.me/:8080

  • http://ibuslot.me/:3306

  • http://ibuslot.me/:443

  • backdoor.ibuslot.me:21

  • backdoor.ibuslot.me:8080

  • backdoor.ibuslot.me:3306

  • backdoor.ibuslot.me:443

Mutex

  • 331WgBE3QTxT

Attributes
  • delay

    3

  • install

    true

  • install_file

    c2.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).

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5376db79af5443ce72dade59d60bf0172a3d8333271b07d1ea2aa4c02ae1edb5.exe
    "C:\Users\Admin\AppData\Local\Temp\5376db79af5443ce72dade59d60bf0172a3d8333271b07d1ea2aa4c02ae1edb5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "c2" /tr '"C:\Users\Admin\AppData\Roaming\c2.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "c2" /tr '"C:\Users\Admin\AppData\Roaming\c2.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3208
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6817.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4872
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3168
      • C:\Users\Admin\AppData\Roaming\c2.exe
        "C:\Users\Admin\AppData\Roaming\c2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3304
  • C:\Users\Admin\AppData\Roaming\c2.exe
    "C:\Users\Admin\AppData\Roaming\c2.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4556
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4492

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp6817.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp6817.tmp.bat
          • Size 146B
          • SHA256 92cb581604f9beced72af906b63576711bf71bb45d5c6e88998597eee405f3e4
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          c2.exe
          • Path C:\Users\Admin\AppData\Roaming\c2.exe
          • Size 241KB
          • SHA256 5376db79af5443ce72dade59d60bf0172a3d8333271b07d1ea2aa4c02ae1edb5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3284-0-0x0000000075102000-0x0000000075103000-memory.dmp
          Download

          memory/3284-1-0x0000000000880000-0x00000000008C2000-memory.dmp
          Download

          memory/3284-2-0x00000000750F0000-0x00000000758AC000-memory.dmp
          Download

          memory/3284-3-0x0000000005310000-0x00000000053AC000-memory.dmp
          Download

          memory/3284-9-0x00000000750F0000-0x00000000758AC000-memory.dmp
          Download

          memory/4556-12-0x0000000075090000-0x000000007584C000-memory.dmp
          Download

          memory/4556-14-0x0000000075090000-0x000000007584C000-memory.dmp
          Download