Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/07/2026, 03:10

General

  • Target
    6cf6434ae09873658e54749f7d26d07106457f5125fa6a7fde91f19251e45b86.exe
  • Size 45KB
  • Sample260712-dn17psev8v
  • SHA256 6cf6434ae09873658e54749f7d26d07106457f5125fa6a7fde91f19251e45b86
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexnhu.com:80

  • sexnhu.com:22

  • sexnhu.com:8080

  • sexnhu.com:8880

  • sexnhu.com:2052

  • sexnhu.com:2082

  • sexnhu.com:2086

  • sexnhu.com:2095

  • sexnhu.com:443

  • sexnhu.com:2053

  • sexnhu.com:2083

  • sexnhu.com:2087

  • sexnhu.com:2096

  • sexnhu.com:8443

  • www.sexnhu.com:80

  • www.sexnhu.com:22

  • www.sexnhu.com:8080

  • www.sexnhu.com:8880

  • www.sexnhu.com:2052

  • www.sexnhu.com:2082

Mutex
  • FSpBsxLUe6G8

Attributes
  • delay

    0

  • install

    true

  • install_file

    hzxchr.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
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cf6434ae09873658e54749f7d26d07106457f5125fa6a7fde91f19251e45b86.exe
    "C:\Users\Admin\AppData\Local\Temp\6cf6434ae09873658e54749f7d26d07106457f5125fa6a7fde91f19251e45b86.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "hzxchr" /tr '"C:\Users\Admin\AppData\Roaming\hzxchr.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "hzxchr" /tr '"C:\Users\Admin\AppData\Roaming\hzxchr.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9630.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3284
      • C:\Users\Admin\AppData\Roaming\hzxchr.exe
        "C:\Users\Admin\AppData\Roaming\hzxchr.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1676
  • C:\Users\Admin\AppData\Roaming\hzxchr.exe
    "C:\Users\Admin\AppData\Roaming\hzxchr.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2376

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp9630.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9630.tmp.bat
        • Size 150B
        • SHA256 e5b5e23699fdb0b436325cda46f14516514dcd35c0c4ac9000758f63a75e11ab
        • MD5 SHA1 SHA512 TLSH

        hzxchr.exe

        • Path C:\Users\Admin\AppData\Roaming\hzxchr.exe
        • Size 45KB
        • SHA256 6cf6434ae09873658e54749f7d26d07106457f5125fa6a7fde91f19251e45b86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2332-0-0x00000000001A0000-0x00000000001B2000-memory.dmp

        memory/2332-1-0x0000000004A10000-0x0000000004A20000-memory.dmp

        memory/2332-2-0x0000000004A20000-0x0000000004ABC000-memory.dmp

        memory/2376-10-0x0000000004B00000-0x0000000004B10000-memory.dmp

        memory/2376-13-0x0000000004B00000-0x0000000004B10000-memory.dmp