Overview

overview

10

Static

static

10

039cc3d021...6f.exe

windows10-2004-x64

10

039cc3d021...6f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 02:54

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General

  • Target
    039cc3d021f34d2b7844e4cb4fa0fabd56853dd40dedae1c9cfd1699882bbf6f.exe
  • Size 268KB
  • Sample260810-dd46lstybx
  • SHA256 039cc3d021f34d2b7844e4cb4fa0fabd56853dd40dedae1c9cfd1699882bbf6f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
setupdefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Setup

C2

  • 104.21.87.11:443

  • 104.21.87.11:80

  • 104.21.87.11:53

  • 104.21.87.11:8080

  • 104.21.87.11:1604

  • 172.67.139.34:443

  • 172.67.139.34:80

  • 172.67.139.34:53

  • 172.67.139.34:8080

  • 172.67.139.34:1604

  • 188.114.97.0:443

  • 188.114.97.0:80

  • 188.114.97.0:53

  • 188.114.97.0:8080

  • 188.114.97.0:1604

  • 188.114.96.0:443

  • 188.114.96.0:80

  • 188.114.96.0:53

  • 188.114.96.0:8080

  • 188.114.96.0:1604

Mutex

  • UrbanVpn-gf6-sfk-as3k238-j3-2fuj

Attributes
  • delay

    1

  • install

    true

  • install_file

    UrbanVpn.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
  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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
  • 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 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\039cc3d021f34d2b7844e4cb4fa0fabd56853dd40dedae1c9cfd1699882bbf6f.exe
    "C:\Users\Admin\AppData\Local\Temp\039cc3d021f34d2b7844e4cb4fa0fabd56853dd40dedae1c9cfd1699882bbf6f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "UrbanVpn" /tr '"C:\Users\Admin\AppData\Roaming\UrbanVpn.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "UrbanVpn" /tr '"C:\Users\Admin\AppData\Roaming\UrbanVpn.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4504
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1DD4.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3636
      • C:\Users\Admin\AppData\Roaming\UrbanVpn.exe
        "C:\Users\Admin\AppData\Roaming\UrbanVpn.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1320
  • C:\Users\Admin\AppData\Roaming\UrbanVpn.exe
    "C:\Users\Admin\AppData\Roaming\UrbanVpn.exe"
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Suspicious use of AdjustPrivilegeToken
    PID:4288

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1DD4.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp1DD4.tmp.bat
        • Size 152B
        • SHA256 8cd76d3d1f4624486de984e9e99737143298b3458e1699f7e638805c53af712d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        UrbanVpn.exe
        • Path C:\Users\Admin\AppData\Roaming\UrbanVpn.exe
        • Size 268KB
        • SHA256 039cc3d021f34d2b7844e4cb4fa0fabd56853dd40dedae1c9cfd1699882bbf6f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3004-0-0x00000000004C0000-0x0000000000508000-memory.dmp
        Download

        memory/3004-1-0x0000000000CE0000-0x0000000000CF0000-memory.dmp
        Download