Overview

overview

10

Static

static

10

d8220970d2...50.exe

windows10-2004-x64

10

d8220970d2...50.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 05:16

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General

  • Target
    d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.exe
  • Size 47KB
  • Sample260831-fykntaxxhv
  • SHA256 d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

Mutex

  • RAHvHXBageVA

Attributes
  • delay

    3

  • install

    true

  • install_file

    updated.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

  • private_ip

    192.168.4.63

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.exe
    "C:\Users\Admin\AppData\Local\Temp\d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "updated" /tr '"C:\Users\Admin\AppData\Roaming\updated.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "updated" /tr '"C:\Users\Admin\AppData\Roaming\updated.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2332
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F92.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4888
      • C:\Users\Admin\AppData\Roaming\updated.exe
        "C:\Users\Admin\AppData\Roaming\updated.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4136
  • C:\Users\Admin\AppData\Roaming\updated.exe
    "C:\Users\Admin\AppData\Roaming\updated.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3232

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        tmp4F92.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp4F92.tmp.bat
        • Size 151B
        • SHA256 4e9317cf6c4883209cc9da498a2ce674f04b9ddd6f20a25273d84cb4639ae837
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        updated.exe
        • Path C:\Users\Admin\AppData\Roaming\updated.exe
        • Size 47KB
        • SHA256 d8220970d2bf9f817c3ab400f0eda7497d0d060615144d1152b85a769a759150
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1656-0-0x00000000005A0000-0x00000000005B2000-memory.dmp
        Download

        memory/1656-1-0x0000000005010000-0x0000000005020000-memory.dmp
        Download

        memory/1656-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp
        Download