Overview

overview

10

Static

static

10

tmpka7diedl.exe

windows10-ltsc_2021-x64

10

tmpka7diedl.exe

windows10-2004-x64

10

tmpka7diedl.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 09:16

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General

  • Target
    tmpka7diedl.exe
  • Size 45KB
  • Sample260602-k8q1sshx3z
  • SHA256 c959e22f04f910e276364ea97af2167b656404313120482309e0fd8c3c24cf86
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
top888bet.netdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • top888bet.net

C2

  • top888bet.net:80

  • top888bet.net:443

  • top888bet.net:3306

  • top888bet.net:8080

  • top888bet.net:8443

  • top888bet.net:20

  • top888bet.net:25

  • https://top888bet.net:80

  • https://top888bet.net:443

  • https://top888bet.net:3306

  • https://top888bet.net:8080

  • https://top888bet.net:8443

  • https://top888bet.net:20

  • https://top888bet.net:25

  • http://top888bet.net:80

  • http://top888bet.net:443

  • http://top888bet.net:3306

  • http://top888bet.net:8080

  • http://top888bet.net:8443

  • http://top888bet.net:20

Mutex

  • UJYIav0PJFB3

Attributes
  • delay

    3

  • install

    true

  • install_file

    top88.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpka7diedl.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpka7diedl.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "top88" /tr '"C:\Users\Admin\AppData\Roaming\top88.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4792
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "top88" /tr '"C:\Users\Admin\AppData\Roaming\top88.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3172
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7CFB.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2480
      • C:\Users\Admin\AppData\Roaming\top88.exe
        "C:\Users\Admin\AppData\Roaming\top88.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4116
  • C:\Users\Admin\AppData\Roaming\top88.exe
    "C:\Users\Admin\AppData\Roaming\top88.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp7CFB.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp7CFB.tmp.bat
        • Size 149B
        • SHA256 f9582283b68ce8eb7fc66025ead968d79286e2e0cbfffb70d28300b5230cc9f0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        top88.exe
        • Path C:\Users\Admin\AppData\Roaming\top88.exe
        • Size 45KB
        • SHA256 c959e22f04f910e276364ea97af2167b656404313120482309e0fd8c3c24cf86
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4540-0-0x0000000000C30000-0x0000000000C42000-memory.dmp
        Download

        memory/4540-1-0x0000000005630000-0x0000000005640000-memory.dmp
        Download

        memory/4540-2-0x0000000005640000-0x00000000056DC000-memory.dmp
        Download