Overview

overview

10

Static

static

10

764a1a0b32...f2.exe

windows10-2004-x64

10

764a1a0b32...f2.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 16:21

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General

  • Target
    764a1a0b324db1df353c3f9dcbc3806bc5d0ae376c3cd15c687be9c56a3464f2.exe
  • Size 45KB
  • Sample260715-tt5ebaby7w
  • SHA256 764a1a0b324db1df353c3f9dcbc3806bc5d0ae376c3cd15c687be9c56a3464f2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vuasexviet.com:80

  • vuasexviet.com:22

  • vuasexviet.com:8080

  • vuasexviet.com:8880

  • vuasexviet.com:2052

  • vuasexviet.com:2082

  • vuasexviet.com:2086

  • vuasexviet.com:2095

  • vuasexviet.com:443

  • vuasexviet.com:2053

  • vuasexviet.com:2083

  • vuasexviet.com:2087

  • vuasexviet.com:2096

  • vuasexviet.com:8443

  • www.vuasexviet.com:80

  • www.vuasexviet.com:22

  • www.vuasexviet.com:8080

  • www.vuasexviet.com:8880

  • www.vuasexviet.com:2052

  • www.vuasexviet.com:2082

Mutex

  • SphN9Om22MV4

Attributes
  • delay

    0

  • install

    true

  • install_file

    pyjr3twu.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\764a1a0b324db1df353c3f9dcbc3806bc5d0ae376c3cd15c687be9c56a3464f2.exe
    "C:\Users\Admin\AppData\Local\Temp\764a1a0b324db1df353c3f9dcbc3806bc5d0ae376c3cd15c687be9c56a3464f2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pyjr3twu" /tr '"C:\Users\Admin\AppData\Roaming\pyjr3twu.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4088
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "pyjr3twu" /tr '"C:\Users\Admin\AppData\Roaming\pyjr3twu.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2BAA.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4064
      • C:\Users\Admin\AppData\Roaming\pyjr3twu.exe
        "C:\Users\Admin\AppData\Roaming\pyjr3twu.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1972
  • C:\Users\Admin\AppData\Roaming\pyjr3twu.exe
    "C:\Users\Admin\AppData\Roaming\pyjr3twu.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1480

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp2BAA.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp2BAA.tmp.bat
        • Size 152B
        • SHA256 322a13e043ce6a647639c515530d10b682c8497bc3941510b93c0a4ad39248be
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        pyjr3twu.exe
        • Path C:\Users\Admin\AppData\Roaming\pyjr3twu.exe
        • Size 45KB
        • SHA256 764a1a0b324db1df353c3f9dcbc3806bc5d0ae376c3cd15c687be9c56a3464f2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1480-12-0x0000000074A60000-0x000000007521C000-memory.dmp
        Download

        memory/1480-14-0x0000000074A60000-0x000000007521C000-memory.dmp
        Download

        memory/3776-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp
        Download

        memory/3776-1-0x0000000000D70000-0x0000000000D82000-memory.dmp
        Download

        memory/3776-2-0x0000000074AC0000-0x000000007527C000-memory.dmp
        Download

        memory/3776-3-0x0000000005900000-0x000000000599C000-memory.dmp
        Download

        memory/3776-8-0x0000000074AC0000-0x000000007527C000-memory.dmp
        Download