Overview

overview

10

Static

static

10

506cfe17-d...5f.exe

windows10-2004-x64

10

506cfe17-d...5f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 10:15

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General

  • Target
    506cfe17-ddfc-48a9-a40c-980c64d5c35f.exe
  • Size 46KB
  • Sample260727-mac3dszzet
  • SHA256 745098891fb8d379a5bc05d011ef74d6d5cccd35317ce74fcf52bfcb507b2da8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • destello.in:4930

  • destello.in:0921

  • destello.in:1123

  • destello.in:8362

  • destello.in:3439

  • destello.in:2551

  • destello.in:5786

  • destello.in:7404

  • destello.in:2158

  • destello.in:8075

  • www.destello.in:4930

  • www.destello.in:0921

  • www.destello.in:1123

  • www.destello.in:8362

  • www.destello.in:3439

  • www.destello.in:2551

  • www.destello.in:5786

  • www.destello.in:7404

  • www.destello.in:2158

  • www.destello.in:8075

Mutex

  • oAXgvYE6TQ8p

Attributes
  • delay

    3

  • install

    true

  • install_file

    bet883.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\506cfe17-ddfc-48a9-a40c-980c64d5c35f.exe
    "C:\Users\Admin\AppData\Local\Temp\506cfe17-ddfc-48a9-a40c-980c64d5c35f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bet883" /tr '"C:\Users\Admin\AppData\Roaming\bet883.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "bet883" /tr '"C:\Users\Admin\AppData\Roaming\bet883.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA109.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4620
      • C:\Users\Admin\AppData\Roaming\bet883.exe
        "C:\Users\Admin\AppData\Roaming\bet883.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4920
  • C:\Users\Admin\AppData\Roaming\bet883.exe
    "C:\Users\Admin\AppData\Roaming\bet883.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5488

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpA109.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpA109.tmp.bat
        • Size 150B
        • SHA256 b0bb1eb3651b51bbc38c028988ac772978aaa093531cbf5469367017bcc16f54
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        bet883.exe
        • Path C:\Users\Admin\AppData\Roaming\bet883.exe
        • Size 46KB
        • SHA256 745098891fb8d379a5bc05d011ef74d6d5cccd35317ce74fcf52bfcb507b2da8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5488-12-0x0000000074660000-0x0000000074E1C000-memory.dmp
        Download

        memory/5488-14-0x0000000074660000-0x0000000074E1C000-memory.dmp
        Download

        memory/5952-0-0x00000000747E2000-0x00000000747E3000-memory.dmp
        Download

        memory/5952-1-0x0000000000790000-0x00000000007A2000-memory.dmp
        Download

        memory/5952-2-0x00000000747D0000-0x0000000074F8C000-memory.dmp
        Download

        memory/5952-3-0x00000000052D0000-0x000000000536C000-memory.dmp
        Download

        memory/5952-8-0x00000000747D0000-0x0000000074F8C000-memory.dmp
        Download