Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 17:45

General

  • Target
    79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613.exe
  • Size 45KB
  • Sample260710-wbr3dady4j
  • SHA256 79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • fimsec.com:80

  • fimsec.com:22

  • fimsec.com:8080

  • fimsec.com:8880

  • fimsec.com:2052

  • fimsec.com:2082

  • fimsec.com:2086

  • fimsec.com:2095

  • fimsec.com:443

  • fimsec.com:2053

  • fimsec.com:2083

  • fimsec.com:2087

  • fimsec.com:2096

  • fimsec.com:8443

  • www.fimsec.com:80

  • www.fimsec.com:22

  • www.fimsec.com:8080

  • www.fimsec.com:8880

  • www.fimsec.com:2052

  • www.fimsec.com:2082

Mutex
  • 2ROyEiYF4bit

Attributes
  • delay

    0

  • install

    true

  • install_file

    nhe7tqxo.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\79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613.exe
    "C:\Users\Admin\AppData\Local\Temp\79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nhe7tqxo" /tr '"C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "nhe7tqxo" /tr '"C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4428
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBDB8.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1352
      • C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe
        "C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5808
  • C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe
    "C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1420

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpBDB8.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpBDB8.tmp.bat
        • Size 152B
        • SHA256 3e8c1021dc8a9d98f59f3c7e7e8bed16cfe2cdbbe714f77a4c83d7466c8d1332
        • MD5 SHA1 SHA512 TLSH

        nhe7tqxo.exe

        • Path C:\Users\Admin\AppData\Roaming\nhe7tqxo.exe
        • Size 45KB
        • SHA256 79f2920559cb7f055a8a65b0800eb18ba00a510d31e06644f6481a7b500bd613
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1420-12-0x0000000074570000-0x0000000074D2C000-memory.dmp

        memory/1420-14-0x0000000074570000-0x0000000074D2C000-memory.dmp

        memory/3232-0-0x0000000074722000-0x0000000074723000-memory.dmp

        memory/3232-1-0x0000000000850000-0x0000000000862000-memory.dmp

        memory/3232-2-0x0000000074710000-0x0000000074ECC000-memory.dmp

        memory/3232-3-0x00000000054C0000-0x000000000555C000-memory.dmp

        memory/3232-8-0x0000000074710000-0x0000000074ECC000-memory.dmp