Overview

overview

10

Static

static

10

ec27786a0a...31.exe

windows10-2004-x64

10

ec27786a0a...31.exe

windows11-ltsc_2024-x64

10

Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/07/2026, 15:54

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General

  • Target
    ec27786a0a6c0b1e8106074a6d469c4dcae30c5785c8b5b801102d89e1164e31.exe
  • Size 45KB
  • Sample260722-tclwmscn21
  • SHA256 ec27786a0a6c0b1e8106074a6d469c4dcae30c5785c8b5b801102d89e1164e31
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimsexne.net:80

  • phimsexne.net:22

  • phimsexne.net:8080

  • phimsexne.net:8880

  • phimsexne.net:2052

  • phimsexne.net:2082

  • phimsexne.net:2086

  • phimsexne.net:2095

  • phimsexne.net:443

  • phimsexne.net:2053

  • phimsexne.net:2083

  • phimsexne.net:2087

  • phimsexne.net:2096

  • phimsexne.net:8443

  • www.phimsexne.net:80

  • www.phimsexne.net:22

  • www.phimsexne.net:8080

  • www.phimsexne.net:8880

  • www.phimsexne.net:2052

  • www.phimsexne.net:2082

Mutex

  • NzWPEythZcw4

Attributes
  • delay

    0

  • install

    true

  • install_file

    663h6v.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\ec27786a0a6c0b1e8106074a6d469c4dcae30c5785c8b5b801102d89e1164e31.exe
    "C:\Users\Admin\AppData\Local\Temp\ec27786a0a6c0b1e8106074a6d469c4dcae30c5785c8b5b801102d89e1164e31.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "663h6v" /tr '"C:\Users\Admin\AppData\Roaming\663h6v.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3420
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "663h6v" /tr '"C:\Users\Admin\AppData\Roaming\663h6v.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3284
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4570.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5616
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4144
      • C:\Users\Admin\AppData\Roaming\663h6v.exe
        "C:\Users\Admin\AppData\Roaming\663h6v.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:328
  • C:\Users\Admin\AppData\Roaming\663h6v.exe
    "C:\Users\Admin\AppData\Roaming\663h6v.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4570.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp4570.tmp.bat
        • Size 150B
        • SHA256 1c81abf3b0961572f21122f1daea902d93d9c8efc118ba0a08377b518b340221
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        663h6v.exe
        • Path C:\Users\Admin\AppData\Roaming\663h6v.exe
        • Size 45KB
        • SHA256 ec27786a0a6c0b1e8106074a6d469c4dcae30c5785c8b5b801102d89e1164e31
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3304-10-0x0000000004A60000-0x0000000004A70000-memory.dmp
        Download

        memory/3304-13-0x0000000004A60000-0x0000000004A70000-memory.dmp
        Download

        memory/4376-0-0x00000000007D0000-0x00000000007E2000-memory.dmp
        Download

        memory/4376-1-0x0000000001200000-0x0000000001210000-memory.dmp
        Download

        memory/4376-2-0x0000000005100000-0x000000000519C000-memory.dmp
        Download