Overview

overview

10

Static

static

10

fc750f5d-f...33.exe

windows10-2004-x64

10

fc750f5d-f...33.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    113s
  • 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
    fc750f5d-fd9b-4a31-8b1a-145c3ba76233.exe
  • Size 46KB
  • Sample260727-madzpazzew
  • SHA256 c86169342ca26b92d8ad170d69f44b479a0cd1aa6b4a77ca8009f3d1ac7292b0
  • 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\fc750f5d-fd9b-4a31-8b1a-145c3ba76233.exe
    "C:\Users\Admin\AppData\Local\Temp\fc750f5d-fd9b-4a31-8b1a-145c3ba76233.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3332
    • 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:2280
      • 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:5548
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2E0B.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5096
      • 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:812
  • 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:5192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp2E0B.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp2E0B.tmp.bat
        • Size 150B
        • SHA256 009c4bf7008be4378018fc73de0e10e690b08cca05e7da0a88b48e6e1079c06a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        bet883.exe
        • Path C:\Users\Admin\AppData\Roaming\bet883.exe
        • Size 46KB
        • SHA256 c86169342ca26b92d8ad170d69f44b479a0cd1aa6b4a77ca8009f3d1ac7292b0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3332-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp
        Download

        memory/3332-1-0x0000000000E90000-0x0000000000EA2000-memory.dmp
        Download

        memory/3332-2-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download

        memory/3332-3-0x0000000005850000-0x00000000058EC000-memory.dmp
        Download

        memory/3332-9-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download

        memory/5192-12-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download

        memory/5192-14-0x0000000074DE0000-0x000000007559C000-memory.dmp
        Download