Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 14:10

General

  • Target
    28c305c5bdd9673c7d6eafbb8d0d81d5716af7e6484547f013abf1606a4dbdb8.exe
  • Size 45KB
  • Sample260905-rg79bsdp21
  • SHA256 28c305c5bdd9673c7d6eafbb8d0d81d5716af7e6484547f013abf1606a4dbdb8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • hentaiz.buzz:80

  • hentaiz.buzz:22

  • hentaiz.buzz:8080

  • hentaiz.buzz:8880

  • hentaiz.buzz:2052

  • hentaiz.buzz:2082

  • hentaiz.buzz:2086

  • hentaiz.buzz:2095

  • hentaiz.buzz:443

  • hentaiz.buzz:2053

  • hentaiz.buzz:2083

  • hentaiz.buzz:2087

  • hentaiz.buzz:2096

  • hentaiz.buzz:8443

  • www.hentaiz.buzz:80

  • www.hentaiz.buzz:22

  • www.hentaiz.buzz:8080

  • www.hentaiz.buzz:8880

  • www.hentaiz.buzz:2052

  • www.hentaiz.buzz:2082

Mutex
  • 4esyeSPpGkkx

Attributes
  • delay

    0

  • install

    true

  • install_file

    d4aevk5.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
  • 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\28c305c5bdd9673c7d6eafbb8d0d81d5716af7e6484547f013abf1606a4dbdb8.exe
    "C:\Users\Admin\AppData\Local\Temp\28c305c5bdd9673c7d6eafbb8d0d81d5716af7e6484547f013abf1606a4dbdb8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4464
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "d4aevk5" /tr '"C:\Users\Admin\AppData\Roaming\d4aevk5.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4880
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "d4aevk5" /tr '"C:\Users\Admin\AppData\Roaming\d4aevk5.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6A39.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3420
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5804
      • C:\Users\Admin\AppData\Roaming\d4aevk5.exe
        "C:\Users\Admin\AppData\Roaming\d4aevk5.exe"
        3⤵
          PID:4216
    • C:\Users\Admin\AppData\Roaming\d4aevk5.exe
      "C:\Users\Admin\AppData\Roaming\d4aevk5.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3648

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp6A39.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp6A39.tmp.bat
          • Size 151B
          • SHA256 c7fcbdf98099b122f371e5d804ac2aa6ae820c2f5b2535af801f001535762da5
          • MD5 SHA1 SHA512 TLSH

          d4aevk5.exe

          • Path C:\Users\Admin\AppData\Roaming\d4aevk5.exe
          • Size 45KB
          • SHA256 28c305c5bdd9673c7d6eafbb8d0d81d5716af7e6484547f013abf1606a4dbdb8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3648-12-0x0000000074240000-0x00000000749FC000-memory.dmp

          memory/3648-14-0x0000000074240000-0x00000000749FC000-memory.dmp

          memory/4464-0-0x00000000743C2000-0x00000000743C3000-memory.dmp

          memory/4464-1-0x0000000000A80000-0x0000000000A92000-memory.dmp

          memory/4464-2-0x00000000743B0000-0x0000000074B6C000-memory.dmp

          memory/4464-3-0x0000000005600000-0x000000000569C000-memory.dmp

          memory/4464-8-0x00000000743B0000-0x0000000074B6C000-memory.dmp