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
    03/08/2026, 18:31

General

  • Target
    1cf0707d22dd7857d92df6e99ab736e029b38cb1ccd3ac7adee50b77424aaa8e.exe
  • Size 45KB
  • Sample260803-w549sswbpc
  • SHA256 1cf0707d22dd7857d92df6e99ab736e029b38cb1ccd3ac7adee50b77424aaa8e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • hentaihay.blog:80

  • hentaihay.blog:22

  • hentaihay.blog:8080

  • hentaihay.blog:8880

  • hentaihay.blog:2052

  • hentaihay.blog:2082

  • hentaihay.blog:2086

  • hentaihay.blog:2095

  • hentaihay.blog:443

  • hentaihay.blog:2053

  • hentaihay.blog:2083

  • hentaihay.blog:2087

  • hentaihay.blog:2096

  • hentaihay.blog:8443

  • www.hentaihay.blog:80

  • www.hentaihay.blog:22

  • www.hentaihay.blog:8080

  • www.hentaihay.blog:8880

  • www.hentaihay.blog:2052

  • www.hentaihay.blog:2082

Mutex
  • aosp71DVBfVn

Attributes
  • delay

    0

  • install

    true

  • install_file

    n16t.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 1 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.

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cf0707d22dd7857d92df6e99ab736e029b38cb1ccd3ac7adee50b77424aaa8e.exe
    "C:\Users\Admin\AppData\Local\Temp\1cf0707d22dd7857d92df6e99ab736e029b38cb1ccd3ac7adee50b77424aaa8e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "n16t" /tr '"C:\Users\Admin\AppData\Roaming\n16t.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "n16t" /tr '"C:\Users\Admin\AppData\Roaming\n16t.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3408
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF26A.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3568
      • C:\Users\Admin\AppData\Roaming\n16t.exe
        "C:\Users\Admin\AppData\Roaming\n16t.exe"
        3⤵
          PID:800
    • C:\Users\Admin\AppData\Roaming\n16t.exe
      "C:\Users\Admin\AppData\Roaming\n16t.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4540

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpF26A.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpF26A.tmp.bat
          • Size 148B
          • SHA256 c619ecf7ab85e662d1b57963fbc80d5a9bd478c794856f0f9cd791eede1b37b1
          • MD5 SHA1 SHA512 TLSH

          n16t.exe

          • Path C:\Users\Admin\AppData\Roaming\n16t.exe
          • Size 45KB
          • SHA256 1cf0707d22dd7857d92df6e99ab736e029b38cb1ccd3ac7adee50b77424aaa8e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1300-0-0x0000000074702000-0x0000000074703000-memory.dmp

          memory/1300-1-0x0000000000740000-0x0000000000752000-memory.dmp

          memory/1300-2-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/1300-3-0x0000000005290000-0x000000000532C000-memory.dmp

          memory/1300-8-0x00000000746F0000-0x0000000074EAC000-memory.dmp

          memory/4540-12-0x0000000074580000-0x0000000074D3C000-memory.dmp

          memory/4540-14-0x0000000074580000-0x0000000074D3C000-memory.dmp