Overview

overview

10

Static

static

10

4377daaee8...79.exe

windows10-2004-x64

10

4377daaee8...79.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/07/2026, 15:50

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General

  • Target
    4377daaee86968f724f3700d0eb02b9f2d2227f08ecaad5bcb9497271436ad79.exe
  • Size 45KB
  • Sample260721-s92spazcmd
  • SHA256 4377daaee86968f724f3700d0eb02b9f2d2227f08ecaad5bcb9497271436ad79
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimvnxx.pro:80

  • phimvnxx.pro:22

  • phimvnxx.pro:8080

  • phimvnxx.pro:8880

  • phimvnxx.pro:2052

  • phimvnxx.pro:2082

  • phimvnxx.pro:2086

  • phimvnxx.pro:2095

  • phimvnxx.pro:443

  • phimvnxx.pro:2053

  • phimvnxx.pro:2083

  • phimvnxx.pro:2087

  • phimvnxx.pro:2096

  • phimvnxx.pro:8443

  • www.phimvnxx.pro:80

  • www.phimvnxx.pro:22

  • www.phimvnxx.pro:8080

  • www.phimvnxx.pro:8880

  • www.phimvnxx.pro:2052

  • www.phimvnxx.pro:2082

Mutex

  • 6tOTwZTvYoEj

Attributes
  • delay

    0

  • install

    true

  • install_file

    xc18d1.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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4377daaee86968f724f3700d0eb02b9f2d2227f08ecaad5bcb9497271436ad79.exe
    "C:\Users\Admin\AppData\Local\Temp\4377daaee86968f724f3700d0eb02b9f2d2227f08ecaad5bcb9497271436ad79.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xc18d1" /tr '"C:\Users\Admin\AppData\Roaming\xc18d1.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "xc18d1" /tr '"C:\Users\Admin\AppData\Roaming\xc18d1.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3036
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6B29.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3080
      • C:\Users\Admin\AppData\Roaming\xc18d1.exe
        "C:\Users\Admin\AppData\Roaming\xc18d1.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1468
  • C:\Users\Admin\AppData\Roaming\xc18d1.exe
    "C:\Users\Admin\AppData\Roaming\xc18d1.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2684

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp6B29.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp6B29.tmp.bat
        • Size 150B
        • SHA256 3cebf6bdabece56afd6f792f2c69c01cc5bb16bd74df98c906714fa7d0f1c8bf
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        xc18d1.exe
        • Path C:\Users\Admin\AppData\Roaming\xc18d1.exe
        • Size 45KB
        • SHA256 4377daaee86968f724f3700d0eb02b9f2d2227f08ecaad5bcb9497271436ad79
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2588-0-0x00000000006F0000-0x0000000000702000-memory.dmp
        Download

        memory/2588-1-0x0000000005200000-0x0000000005210000-memory.dmp
        Download

        memory/2588-2-0x00000000050B0000-0x000000000514C000-memory.dmp
        Download

        memory/2684-10-0x0000000005030000-0x0000000005040000-memory.dmp
        Download

        memory/2684-13-0x0000000005030000-0x0000000005040000-memory.dmp
        Download