Overview

overview

10

Static

static

10

752589faf2...50.exe

windows10-2004-x64

10

752589faf2...50.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 16:18

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General

  • Target
    752589faf2d93de00feb7315cc74db940df11edc6dd62359f4079432c5f9e950.exe
  • Size 45KB
  • Sample260831-tr3spsyths
  • SHA256 752589faf2d93de00feb7315cc74db940df11edc6dd62359f4079432c5f9e950
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • zorvec.name:80

  • zorvec.name:22

  • zorvec.name:8080

  • zorvec.name:8880

  • zorvec.name:2052

  • zorvec.name:2082

  • zorvec.name:2086

  • zorvec.name:2095

  • zorvec.name:443

  • zorvec.name:2053

  • zorvec.name:2083

  • zorvec.name:2087

  • zorvec.name:2096

  • zorvec.name:8443

  • www.zorvec.name:80

  • www.zorvec.name:22

  • www.zorvec.name:8080

  • www.zorvec.name:8880

  • www.zorvec.name:2052

  • www.zorvec.name:2082

Mutex

  • UbN6IFXndT4I

Attributes
  • delay

    0

  • install

    true

  • install_file

    mqsj.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
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • 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\752589faf2d93de00feb7315cc74db940df11edc6dd62359f4079432c5f9e950.exe
    "C:\Users\Admin\AppData\Local\Temp\752589faf2d93de00feb7315cc74db940df11edc6dd62359f4079432c5f9e950.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "mqsj" /tr '"C:\Users\Admin\AppData\Roaming\mqsj.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5872
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "mqsj" /tr '"C:\Users\Admin\AppData\Roaming\mqsj.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5072
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1BBC.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4620
      • C:\Users\Admin\AppData\Roaming\mqsj.exe
        "C:\Users\Admin\AppData\Roaming\mqsj.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3352
  • C:\Users\Admin\AppData\Roaming\mqsj.exe
    "C:\Users\Admin\AppData\Roaming\mqsj.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4268

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp1BBC.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp1BBC.tmp.bat
        • Size 148B
        • SHA256 fe6ac0798dda82bcdf8afaa81b8cfa644fc44d4a1eb0a44e13be21ebe3a4e885
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        mqsj.exe
        • Path C:\Users\Admin\AppData\Roaming\mqsj.exe
        • Size 45KB
        • SHA256 752589faf2d93de00feb7315cc74db940df11edc6dd62359f4079432c5f9e950
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4268-12-0x0000000074540000-0x0000000074CFC000-memory.dmp
        Download

        memory/4268-14-0x0000000074540000-0x0000000074CFC000-memory.dmp
        Download

        memory/4544-0-0x00000000746C2000-0x00000000746C3000-memory.dmp
        Download

        memory/4544-1-0x0000000000CC0000-0x0000000000CD2000-memory.dmp
        Download

        memory/4544-2-0x00000000746B0000-0x0000000074E6C000-memory.dmp
        Download

        memory/4544-3-0x0000000005740000-0x00000000057DC000-memory.dmp
        Download

        memory/4544-8-0x00000000746B0000-0x0000000074E6C000-memory.dmp
        Download