Overview

overview

10

Static

static

10

4ef6ee7c67...f6.exe

windows10-2004-x64

10

4ef6ee7c67...f6.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 12:30

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General

  • Target
    4ef6ee7c6722f9b4fbf4e9495ca4d11add39c129b6c142b4cb6107988658c0f6.exe
  • Size 45KB
  • Sample260703-ppx28ahs6v
  • SHA256 4ef6ee7c6722f9b4fbf4e9495ca4d11add39c129b6c142b4cb6107988658c0f6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • vuaphimxxxviet.com:80

  • vuaphimxxxviet.com:22

  • vuaphimxxxviet.com:8080

  • vuaphimxxxviet.com:8880

  • vuaphimxxxviet.com:2052

  • vuaphimxxxviet.com:2082

  • vuaphimxxxviet.com:2086

  • vuaphimxxxviet.com:2095

  • vuaphimxxxviet.com:443

  • vuaphimxxxviet.com:2053

  • vuaphimxxxviet.com:2083

  • vuaphimxxxviet.com:2087

  • vuaphimxxxviet.com:2096

  • vuaphimxxxviet.com:8443

  • www.vuaphimxxxviet.com:80

  • www.vuaphimxxxviet.com:22

  • www.vuaphimxxxviet.com:8080

  • www.vuaphimxxxviet.com:8880

  • www.vuaphimxxxviet.com:2052

  • www.vuaphimxxxviet.com:2082

Mutex

  • 5WDvBsf24dne

Attributes
  • delay

    0

  • install

    true

  • install_file

    nnq95s.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\4ef6ee7c6722f9b4fbf4e9495ca4d11add39c129b6c142b4cb6107988658c0f6.exe
    "C:\Users\Admin\AppData\Local\Temp\4ef6ee7c6722f9b4fbf4e9495ca4d11add39c129b6c142b4cb6107988658c0f6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nnq95s" /tr '"C:\Users\Admin\AppData\Roaming\nnq95s.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "nnq95s" /tr '"C:\Users\Admin\AppData\Roaming\nnq95s.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1712
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp12A4.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4716
      • C:\Users\Admin\AppData\Roaming\nnq95s.exe
        "C:\Users\Admin\AppData\Roaming\nnq95s.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1784
  • C:\Users\Admin\AppData\Roaming\nnq95s.exe
    "C:\Users\Admin\AppData\Roaming\nnq95s.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2308

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp12A4.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp12A4.tmp.bat
        • Size 150B
        • SHA256 e81f5df970093301df4a2a8d5ca285de8db4d4a245adf1a02b0272b557d29324
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        nnq95s.exe
        • Path C:\Users\Admin\AppData\Roaming\nnq95s.exe
        • Size 45KB
        • SHA256 4ef6ee7c6722f9b4fbf4e9495ca4d11add39c129b6c142b4cb6107988658c0f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2308-12-0x0000000074EE0000-0x000000007569C000-memory.dmp
        Download

        memory/2308-14-0x0000000074EE0000-0x000000007569C000-memory.dmp
        Download

        memory/3104-0-0x0000000075062000-0x0000000075063000-memory.dmp
        Download

        memory/3104-1-0x0000000000460000-0x0000000000472000-memory.dmp
        Download

        memory/3104-2-0x0000000075050000-0x000000007580C000-memory.dmp
        Download

        memory/3104-3-0x0000000004FA0000-0x000000000503C000-memory.dmp
        Download

        memory/3104-8-0x0000000075050000-0x000000007580C000-memory.dmp
        Download