Overview

overview

10

Static

static

10

6979a49f-5...ce.exe

windows10-2004-x64

10

6979a49f-5...ce.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 17:44

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General

  • Target
    6979a49f-5429-4885-9ea3-1c56d254a9ce.exe
  • Size 48KB
  • Sample260727-wa5bbaxgpf
  • SHA256 801c7b519cef056eff6ef418b19e3280415cb6b86195585c6a1e6bf571da8f68
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimsexvn69.com:8004

  • phimsexvn69.com:8005

  • phimsexvn69.com:7600

  • phimsexvn69.com:7601

  • phimsexvn69.com:7602

  • phimsexvn69.com:7603

  • www.phimsexvn69.com:8004

  • www.phimsexvn69.com:8005

  • www.phimsexvn69.com:7600

  • www.phimsexvn69.com:7601

  • www.phimsexvn69.com:7602

  • www.phimsexvn69.com:7603

  • NotPetya.phimsexvn69.com:8004

  • NotPetya.phimsexvn69.com:8005

  • NotPetya.phimsexvn69.com:7600

  • NotPetya.phimsexvn69.com:7601

  • NotPetya.phimsexvn69.com:7602

  • NotPetya.phimsexvn69.com:7603

  • Stuxnet.phimsexvn69.com:8004

  • Stuxnet.phimsexvn69.com:8005

Mutex

  • BxPBDH8ecZDl

Attributes
  • delay

    3

  • install

    true

  • install_file

    buid.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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6979a49f-5429-4885-9ea3-1c56d254a9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\6979a49f-5429-4885-9ea3-1c56d254a9ce.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "buid" /tr '"C:\Users\Admin\AppData\Roaming\buid.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "buid" /tr '"C:\Users\Admin\AppData\Roaming\buid.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1176
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9D5F.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4140
      • C:\Users\Admin\AppData\Roaming\buid.exe
        "C:\Users\Admin\AppData\Roaming\buid.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:256
  • C:\Users\Admin\AppData\Roaming\buid.exe
    "C:\Users\Admin\AppData\Roaming\buid.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2856
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2460

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp9D5F.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp9D5F.tmp.bat
          • Size 148B
          • SHA256 d4fa4f20ca1369a9d8c305b6302c3e8c81690f6a34076ee37459b53519230d8c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          buid.exe
          • Path C:\Users\Admin\AppData\Roaming\buid.exe
          • Size 48KB
          • SHA256 801c7b519cef056eff6ef418b19e3280415cb6b86195585c6a1e6bf571da8f68
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2856-12-0x0000000074C70000-0x000000007542C000-memory.dmp
          Download

          memory/2856-14-0x0000000074C70000-0x000000007542C000-memory.dmp
          Download

          memory/3728-0-0x0000000074C82000-0x0000000074C83000-memory.dmp
          Download

          memory/3728-1-0x0000000000080000-0x0000000000092000-memory.dmp
          Download

          memory/3728-2-0x0000000074C70000-0x000000007542C000-memory.dmp
          Download

          memory/3728-3-0x0000000004B50000-0x0000000004BEC000-memory.dmp
          Download

          memory/3728-9-0x0000000074C70000-0x000000007542C000-memory.dmp
          Download