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
    16/07/2026, 05:47

General

  • Target
    bcc2a9d359b184abe55f464031cab096c8844bd5e97bf7533e0972bd4e2fc4df.exe
  • Size 45KB
  • Sample260716-ghctpsd14n
  • SHA256 bcc2a9d359b184abe55f464031cab096c8844bd5e97bf7533e0972bd4e2fc4df
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • vuasexviet.com:80

  • vuasexviet.com:22

  • vuasexviet.com:8080

  • vuasexviet.com:8880

  • vuasexviet.com:2052

  • vuasexviet.com:2082

  • vuasexviet.com:2086

  • vuasexviet.com:2095

  • vuasexviet.com:443

  • vuasexviet.com:2053

  • vuasexviet.com:2083

  • vuasexviet.com:2087

  • vuasexviet.com:2096

  • vuasexviet.com:8443

  • www.vuasexviet.com:80

  • www.vuasexviet.com:22

  • www.vuasexviet.com:8080

  • www.vuasexviet.com:8880

  • www.vuasexviet.com:2052

  • www.vuasexviet.com:2082

Mutex
  • 0i8NmCAdAZYb

Attributes
  • delay

    0

  • install

    true

  • install_file

    ohs9o7.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\bcc2a9d359b184abe55f464031cab096c8844bd5e97bf7533e0972bd4e2fc4df.exe
    "C:\Users\Admin\AppData\Local\Temp\bcc2a9d359b184abe55f464031cab096c8844bd5e97bf7533e0972bd4e2fc4df.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ohs9o7" /tr '"C:\Users\Admin\AppData\Roaming\ohs9o7.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ohs9o7" /tr '"C:\Users\Admin\AppData\Roaming\ohs9o7.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3636
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD47D.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5968
      • C:\Users\Admin\AppData\Roaming\ohs9o7.exe
        "C:\Users\Admin\AppData\Roaming\ohs9o7.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:732
  • C:\Users\Admin\AppData\Roaming\ohs9o7.exe
    "C:\Users\Admin\AppData\Roaming\ohs9o7.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2476

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpD47D.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpD47D.tmp.bat
        • Size 150B
        • SHA256 8258d8ce7ffbdc235deab0c7fc23f8fccbd4c324ff4c1ff28bfc1d0e1c9ad973
        • MD5 SHA1 SHA512 TLSH

        ohs9o7.exe

        • Path C:\Users\Admin\AppData\Roaming\ohs9o7.exe
        • Size 45KB
        • SHA256 bcc2a9d359b184abe55f464031cab096c8844bd5e97bf7533e0972bd4e2fc4df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2476-12-0x00000000743E0000-0x0000000074B9C000-memory.dmp

        memory/2476-14-0x00000000743E0000-0x0000000074B9C000-memory.dmp

        memory/4788-0-0x0000000074432000-0x0000000074433000-memory.dmp

        memory/4788-1-0x0000000000E30000-0x0000000000E42000-memory.dmp

        memory/4788-2-0x0000000074420000-0x0000000074BDC000-memory.dmp

        memory/4788-3-0x0000000005920000-0x00000000059BC000-memory.dmp

        memory/4788-9-0x0000000074420000-0x0000000074BDC000-memory.dmp