Overview

overview

10

Static

static

10

NACMAYNE.exe

windows10-2004-x64

10

NACMAYNE.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/07/2026, 16:31

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General

  • Target
    NACMAYNE.exe
  • Size 48KB
  • Sample260709-t1eggaev3x
  • SHA256 0503991b46f7ebb4c846633be5d9397ab4c10a81e5373115bc45a03ff2ad0981
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
phantom ratdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • PHANTOM RAT

C2

  • npgdistribuciones.com.co:8443

  • npgdistribuciones.com.co:81

  • npgdistribuciones.com.co:7878

  • npgdistribuciones.com.co:8787

  • npgdistribuciones.com.co:6789

  • npgdistribuciones.com.co:80

  • npgdistribuciones.com.co:8080

  • npgdistribuciones.com.co:443

  • dbsazara.in:8443

  • dbsazara.in:81

  • dbsazara.in:7878

  • dbsazara.in:8787

  • dbsazara.in:6789

  • dbsazara.in:80

  • dbsazara.in:8080

  • dbsazara.in:443

  • crepprotect.com.co:8443

  • crepprotect.com.co:81

  • crepprotect.com.co:7878

  • crepprotect.com.co:8787

Mutex

  • wHNuMOc7RsMv

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NACMAYNE.exe
    "C:\Users\Admin\AppData\Local\Temp\NACMAYNE.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5176
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1872
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3CB6.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5828
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3792
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5560
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3884

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp3CB6.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3CB6.tmp.bat
        • Size 151B
        • SHA256 f7fecd47e7aef3744680343a704fe256f7496828025ac752908d6ea4c1891131
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        svchost.exe
        • Path C:\Users\Admin\AppData\Roaming\svchost.exe
        • Size 48KB
        • SHA256 0503991b46f7ebb4c846633be5d9397ab4c10a81e5373115bc45a03ff2ad0981
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4780-0-0x0000000000250000-0x0000000000262000-memory.dmp
        Download

        memory/4780-1-0x0000000004C50000-0x0000000004C60000-memory.dmp
        Download

        memory/4780-2-0x0000000004C60000-0x0000000004CC6000-memory.dmp
        Download

        memory/4780-3-0x0000000005080000-0x000000000511C000-memory.dmp
        Download