Overview

overview

10

Static

static

10

3ea9ea3f13...f9.exe

windows10-2004-x64

10

3ea9ea3f13...f9.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 16:15

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General

  • Target
    3ea9ea3f13db7b94be308507684da6db929046ed84ee3f5cffb6b77b4f522ff9.exe
  • Size 45KB
  • Sample260831-tp7zmshd74
  • SHA256 3ea9ea3f13db7b94be308507684da6db929046ed84ee3f5cffb6b77b4f522ff9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimheo3x.net:80

  • phimheo3x.net:22

  • phimheo3x.net:8080

  • phimheo3x.net:8880

  • phimheo3x.net:2052

  • phimheo3x.net:2082

  • phimheo3x.net:2086

  • phimheo3x.net:2095

  • phimheo3x.net:443

  • phimheo3x.net:2053

  • phimheo3x.net:2083

  • phimheo3x.net:2087

  • phimheo3x.net:2096

  • phimheo3x.net:8443

  • www.phimheo3x.net:80

  • www.phimheo3x.net:22

  • www.phimheo3x.net:8080

  • www.phimheo3x.net:8880

  • www.phimheo3x.net:2052

  • www.phimheo3x.net:2082

Mutex

  • 2hO84KBzn9UV

Attributes
  • delay

    0

  • install

    true

  • install_file

    h45j.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • 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\3ea9ea3f13db7b94be308507684da6db929046ed84ee3f5cffb6b77b4f522ff9.exe
    "C:\Users\Admin\AppData\Local\Temp\3ea9ea3f13db7b94be308507684da6db929046ed84ee3f5cffb6b77b4f522ff9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "h45j" /tr '"C:\Users\Admin\AppData\Roaming\h45j.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "h45j" /tr '"C:\Users\Admin\AppData\Roaming\h45j.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpEDF0.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3760
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1160
      • C:\Users\Admin\AppData\Roaming\h45j.exe
        "C:\Users\Admin\AppData\Roaming\h45j.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:6120
  • C:\Users\Admin\AppData\Roaming\h45j.exe
    "C:\Users\Admin\AppData\Roaming\h45j.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpEDF0.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpEDF0.tmp.bat
        • Size 148B
        • SHA256 7c799e4704b0304f6a7213190a102688b9eb08ba41f9668138b3e4114e43eb74
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        h45j.exe
        • Path C:\Users\Admin\AppData\Roaming\h45j.exe
        • Size 45KB
        • SHA256 3ea9ea3f13db7b94be308507684da6db929046ed84ee3f5cffb6b77b4f522ff9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4584-0-0x0000000074E22000-0x0000000074E23000-memory.dmp
        Download

        memory/4584-1-0x0000000000AB0000-0x0000000000AC2000-memory.dmp
        Download

        memory/4584-2-0x0000000074E10000-0x00000000755CC000-memory.dmp
        Download

        memory/4584-3-0x0000000005650000-0x00000000056EC000-memory.dmp
        Download

        memory/4584-9-0x0000000074E10000-0x00000000755CC000-memory.dmp
        Download

        memory/4980-12-0x0000000074E10000-0x00000000755CC000-memory.dmp
        Download

        memory/4980-14-0x0000000074E10000-0x00000000755CC000-memory.dmp
        Download