Overview

overview

10

Static

static

10

Python Ins...er.exe

windows10-2004-x64

10

Python Ins...er.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 16:25

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General

  • Target
    Python Install Manager Installer.exe
  • Size 133KB
  • Sample260511-tw6p6aev81
  • SHA256 b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
setupdefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Setup

C2

  • af88.run:443

  • af88.run:80

  • af88.run:53

  • af88.run:8080

  • af88.run:1604

  • 777x.you:443

  • 777x.you:80

  • 777x.you:53

  • 777x.you:8080

  • 777x.you:1604

  • www.777x.you:443

  • www.777x.you:80

  • www.777x.you:53

  • www.777x.you:8080

  • www.777x.you:1604

  • www.af88.run:443

  • www.af88.run:80

  • www.af88.run:53

  • www.af88.run:8080

  • www.af88.run:1604

Mutex

  • StoreInstaller-kja6-sfk-as3k238-j3-2fuj

Attributes
  • delay

    2

  • install

    true

  • install_file

    StoreInstaller.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 5 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).

  • 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\Python Install Manager Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Python Install Manager Installer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "StoreInstaller" /tr '"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3612
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "StoreInstaller" /tr '"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5060
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE0CB.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1052
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5128
      • C:\Users\Admin\AppData\Roaming\StoreInstaller.exe
        "C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5532
  • C:\Users\Admin\AppData\Roaming\StoreInstaller.exe
    "C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Suspicious use of AdjustPrivilegeToken
    PID:3768

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpE0CB.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpE0CB.tmp.bat
        • Size 158B
        • SHA256 d87b4f8a17d3bcd928bcc72325b68fe5933184b7dd7e97d961ac3ae82f73d4f3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StoreInstaller.exe
        • Path C:\Users\Admin\AppData\Roaming\StoreInstaller.exe
        • Size 133KB
        • SHA256 b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3348-0-0x0000000000770000-0x0000000000798000-memory.dmp
        Download

        memory/3348-1-0x000000001B490000-0x000000001B4A0000-memory.dmp
        Download