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
    12/07/2026, 03:39

General

  • Target
    184bed016e373d1bd2cd7947521dbfdf310f4bf8fe45a179f8c86945e87d311e.exe
  • Size 45KB
  • Sample260712-d75z1aex3x
  • SHA256 184bed016e373d1bd2cd7947521dbfdf310f4bf8fe45a179f8c86945e87d311e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • schijndelse.nl:80

  • schijndelse.nl:22

  • schijndelse.nl:8080

  • schijndelse.nl:8880

  • schijndelse.nl:2052

  • schijndelse.nl:2082

  • schijndelse.nl:2086

  • schijndelse.nl:2095

  • schijndelse.nl:443

  • schijndelse.nl:2053

  • schijndelse.nl:2083

  • schijndelse.nl:2087

  • schijndelse.nl:2096

  • schijndelse.nl:8443

  • www.schijndelse.nl:80

  • www.schijndelse.nl:22

  • www.schijndelse.nl:8080

  • www.schijndelse.nl:8880

  • www.schijndelse.nl:2052

  • www.schijndelse.nl:2082

Mutex
  • Hxp5lvOSsKBt

Attributes
  • delay

    0

  • install

    true

  • install_file

    f96n7ca.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\184bed016e373d1bd2cd7947521dbfdf310f4bf8fe45a179f8c86945e87d311e.exe
    "C:\Users\Admin\AppData\Local\Temp\184bed016e373d1bd2cd7947521dbfdf310f4bf8fe45a179f8c86945e87d311e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f96n7ca" /tr '"C:\Users\Admin\AppData\Roaming\f96n7ca.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "f96n7ca" /tr '"C:\Users\Admin\AppData\Roaming\f96n7ca.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4576
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3F41.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3248
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4932
      • C:\Users\Admin\AppData\Roaming\f96n7ca.exe
        "C:\Users\Admin\AppData\Roaming\f96n7ca.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5472
  • C:\Users\Admin\AppData\Roaming\f96n7ca.exe
    "C:\Users\Admin\AppData\Roaming\f96n7ca.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp3F41.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3F41.tmp.bat
        • Size 151B
        • SHA256 f24ba6f45d77c5746c567e2b6e89abfb7e6a23397101ad6bb74d7ec04d7c1e9a
        • MD5 SHA1 SHA512 TLSH

        f96n7ca.exe

        • Path C:\Users\Admin\AppData\Roaming\f96n7ca.exe
        • Size 45KB
        • SHA256 184bed016e373d1bd2cd7947521dbfdf310f4bf8fe45a179f8c86945e87d311e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4296-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

        memory/4296-1-0x0000000000A90000-0x0000000000AA2000-memory.dmp

        memory/4296-2-0x0000000074C50000-0x000000007540C000-memory.dmp

        memory/4296-3-0x0000000005620000-0x00000000056BC000-memory.dmp

        memory/4296-8-0x0000000074C50000-0x000000007540C000-memory.dmp

        memory/5484-12-0x0000000074AE0000-0x000000007529C000-memory.dmp

        memory/5484-14-0x0000000074AE0000-0x000000007529C000-memory.dmp