Overview

overview

10

Static

static

10

508c246332...24.exe

windows10-2004-x64

10

508c246332...24.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 11:56

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General

  • Target
    508c2463327afebab60fba3c9cd7b7d9a8d023ddb65761a9305f7d079b979024.exe
  • Size 45KB
  • Sample260919-n4d28azerf
  • SHA256 508c2463327afebab60fba3c9cd7b7d9a8d023ddb65761a9305f7d079b979024
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vnsextop1.com:80

  • vnsextop1.com:22

  • vnsextop1.com:8080

  • vnsextop1.com:8880

  • vnsextop1.com:2052

  • vnsextop1.com:2082

  • vnsextop1.com:2086

  • vnsextop1.com:2095

  • vnsextop1.com:443

  • vnsextop1.com:2053

  • vnsextop1.com:2083

  • vnsextop1.com:2087

  • vnsextop1.com:2096

  • vnsextop1.com:8443

  • www.vnsextop1.com:80

  • www.vnsextop1.com:22

  • www.vnsextop1.com:8080

  • www.vnsextop1.com:8880

  • www.vnsextop1.com:2052

  • www.vnsextop1.com:2082

Mutex

  • VTfEFojdhoUn

Attributes
  • delay

    0

  • install

    true

  • install_file

    obisorz.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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\508c2463327afebab60fba3c9cd7b7d9a8d023ddb65761a9305f7d079b979024.exe
    "C:\Users\Admin\AppData\Local\Temp\508c2463327afebab60fba3c9cd7b7d9a8d023ddb65761a9305f7d079b979024.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "obisorz" /tr '"C:\Users\Admin\AppData\Roaming\obisorz.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3584
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "obisorz" /tr '"C:\Users\Admin\AppData\Roaming\obisorz.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5904
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp165D.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3888
      • C:\Users\Admin\AppData\Roaming\obisorz.exe
        "C:\Users\Admin\AppData\Roaming\obisorz.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2168
  • C:\Users\Admin\AppData\Roaming\obisorz.exe
    "C:\Users\Admin\AppData\Roaming\obisorz.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp165D.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp165D.tmp.bat
        • Size 151B
        • SHA256 171b64f04c1015d3a4af7bb2d9f7822f5aa65d2551aa360abadb09a0690d0078
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        obisorz.exe
        • Path C:\Users\Admin\AppData\Roaming\obisorz.exe
        • Size 45KB
        • SHA256 508c2463327afebab60fba3c9cd7b7d9a8d023ddb65761a9305f7d079b979024
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2908-12-0x0000000074BC0000-0x000000007537C000-memory.dmp
        Download

        memory/2908-14-0x0000000074BC0000-0x000000007537C000-memory.dmp
        Download

        memory/5016-0-0x0000000074D42000-0x0000000074D43000-memory.dmp
        Download

        memory/5016-1-0x0000000000A70000-0x0000000000A82000-memory.dmp
        Download

        memory/5016-2-0x0000000074D30000-0x00000000754EC000-memory.dmp
        Download

        memory/5016-3-0x0000000005490000-0x000000000552C000-memory.dmp
        Download

        memory/5016-8-0x0000000074D30000-0x00000000754EC000-memory.dmp
        Download