Analysis

  • max time kernel
    148s
  • max time network
    147s
  • 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, 11:54

General

  • Target
    b29eb2b504f19cee7dd67c9bd7521c9873069e82eb03961fb1242045b4bc32c5.exe
  • Size 45KB
  • Sample260710-n3b68sb14x
  • SHA256 b29eb2b504f19cee7dd67c9bd7521c9873069e82eb03961fb1242045b4bc32c5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • vnphimsexhay.blog:80

  • vnphimsexhay.blog:22

  • vnphimsexhay.blog:8080

  • vnphimsexhay.blog:8880

  • vnphimsexhay.blog:2052

  • vnphimsexhay.blog:2082

  • vnphimsexhay.blog:2086

  • vnphimsexhay.blog:2095

  • vnphimsexhay.blog:443

  • vnphimsexhay.blog:2053

  • vnphimsexhay.blog:2083

  • vnphimsexhay.blog:2087

  • vnphimsexhay.blog:2096

  • vnphimsexhay.blog:8443

  • www.vnphimsexhay.blog:80

  • www.vnphimsexhay.blog:22

  • www.vnphimsexhay.blog:8080

  • www.vnphimsexhay.blog:8880

  • www.vnphimsexhay.blog:2052

  • www.vnphimsexhay.blog:2082

Mutex
  • TfNPXO1CFnuC

Attributes
  • delay

    0

  • install

    true

  • install_file

    ohn3.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\b29eb2b504f19cee7dd67c9bd7521c9873069e82eb03961fb1242045b4bc32c5.exe
    "C:\Users\Admin\AppData\Local\Temp\b29eb2b504f19cee7dd67c9bd7521c9873069e82eb03961fb1242045b4bc32c5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ohn3" /tr '"C:\Users\Admin\AppData\Roaming\ohn3.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ohn3" /tr '"C:\Users\Admin\AppData\Roaming\ohn3.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1380
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA4A3.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5836
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3356
      • C:\Users\Admin\AppData\Roaming\ohn3.exe
        "C:\Users\Admin\AppData\Roaming\ohn3.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4692
  • C:\Users\Admin\AppData\Roaming\ohn3.exe
    "C:\Users\Admin\AppData\Roaming\ohn3.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4264

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpA4A3.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpA4A3.tmp.bat
        • Size 148B
        • SHA256 b4cb4f0141688649e275d1542369ce5fe2d06d654b66a90bc79d3161fbe39b56
        • MD5 SHA1 SHA512 TLSH

        ohn3.exe

        • Path C:\Users\Admin\AppData\Roaming\ohn3.exe
        • Size 45KB
        • SHA256 b29eb2b504f19cee7dd67c9bd7521c9873069e82eb03961fb1242045b4bc32c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4264-12-0x0000000074510000-0x0000000074CCC000-memory.dmp

        memory/4264-14-0x0000000074510000-0x0000000074CCC000-memory.dmp

        memory/4488-0-0x0000000074692000-0x0000000074693000-memory.dmp

        memory/4488-1-0x00000000003E0000-0x00000000003F2000-memory.dmp

        memory/4488-2-0x0000000074680000-0x0000000074E3C000-memory.dmp

        memory/4488-3-0x0000000004F50000-0x0000000004FEC000-memory.dmp

        memory/4488-8-0x0000000074680000-0x0000000074E3C000-memory.dmp