Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 19:05

General

  • Target
    807d76e1a53fa9b6a736ddd74251d4f2ef2ae22686047c818f09e09d196042c4.exe
  • Size 45KB
  • Sample260623-xrtftafw6m
  • SHA256 807d76e1a53fa9b6a736ddd74251d4f2ef2ae22686047c818f09e09d196042c4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimhd18.blog:80

  • phimhd18.blog:22

  • phimhd18.blog:8080

  • phimhd18.blog:8880

  • phimhd18.blog:2052

  • phimhd18.blog:2082

  • phimhd18.blog:2086

  • phimhd18.blog:2095

  • phimhd18.blog:443

  • phimhd18.blog:2053

  • phimhd18.blog:2083

  • phimhd18.blog:2087

  • phimhd18.blog:2096

  • phimhd18.blog:8443

  • www.phimhd18.blog:80

  • www.phimhd18.blog:22

  • www.phimhd18.blog:8080

  • www.phimhd18.blog:8880

  • www.phimhd18.blog:2052

  • www.phimhd18.blog:2082

Mutex
  • OrbZQTS3pGT6

Attributes
  • delay

    0

  • install

    true

  • install_file

    hcmy.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\807d76e1a53fa9b6a736ddd74251d4f2ef2ae22686047c818f09e09d196042c4.exe
    "C:\Users\Admin\AppData\Local\Temp\807d76e1a53fa9b6a736ddd74251d4f2ef2ae22686047c818f09e09d196042c4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hcmy" /tr '"C:\Users\Admin\AppData\Roaming\hcmy.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5800
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "hcmy" /tr '"C:\Users\Admin\AppData\Roaming\hcmy.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2416
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE615.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1944
      • C:\Users\Admin\AppData\Roaming\hcmy.exe
        "C:\Users\Admin\AppData\Roaming\hcmy.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:6032
  • C:\Users\Admin\AppData\Roaming\hcmy.exe
    "C:\Users\Admin\AppData\Roaming\hcmy.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3328

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpE615.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE615.tmp.bat
        • Size 148B
        • SHA256 1462e81c38150532ebcabe3f7b232b2a193965e3e48f51bb493e85831a2cda37
        • MD5 SHA1 SHA512 TLSH

        hcmy.exe

        • Path C:\Users\Admin\AppData\Roaming\hcmy.exe
        • Size 45KB
        • SHA256 807d76e1a53fa9b6a736ddd74251d4f2ef2ae22686047c818f09e09d196042c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1600-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

        memory/1600-1-0x0000000000610000-0x0000000000622000-memory.dmp

        memory/1600-2-0x0000000074E80000-0x000000007563C000-memory.dmp

        memory/1600-3-0x0000000004FE0000-0x000000000507C000-memory.dmp

        memory/1600-8-0x0000000074E80000-0x000000007563C000-memory.dmp

        memory/3328-12-0x0000000074D10000-0x00000000754CC000-memory.dmp

        memory/3328-14-0x0000000074D10000-0x00000000754CC000-memory.dmp