Analysis

  • max time kernel
    6s
  • 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, 16:03

General

  • Target
    95f3c20a74c9da8b84c026165c02de5951d87a9d426d285426e7949c326453ef.exe
  • Size 45KB
  • Sample260710-thb9dscw3k
  • SHA256 95f3c20a74c9da8b84c026165c02de5951d87a9d426d285426e7949c326453ef
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • lophimsexviet.com:80

  • lophimsexviet.com:22

  • lophimsexviet.com:8080

  • lophimsexviet.com:8880

  • lophimsexviet.com:2052

  • lophimsexviet.com:2082

  • lophimsexviet.com:2086

  • lophimsexviet.com:2095

  • lophimsexviet.com:443

  • lophimsexviet.com:2053

  • lophimsexviet.com:2083

  • lophimsexviet.com:2087

  • lophimsexviet.com:2096

  • lophimsexviet.com:8443

  • www.lophimsexviet.com:80

  • www.lophimsexviet.com:22

  • www.lophimsexviet.com:8080

  • www.lophimsexviet.com:8880

  • www.lophimsexviet.com:2052

  • www.lophimsexviet.com:2082

Mutex
  • iganRzmr8gNh

Attributes
  • delay

    0

  • install

    true

  • install_file

    3eb8n1.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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95f3c20a74c9da8b84c026165c02de5951d87a9d426d285426e7949c326453ef.exe
    "C:\Users\Admin\AppData\Local\Temp\95f3c20a74c9da8b84c026165c02de5951d87a9d426d285426e7949c326453ef.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3eb8n1" /tr '"C:\Users\Admin\AppData\Roaming\3eb8n1.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "3eb8n1" /tr '"C:\Users\Admin\AppData\Roaming\3eb8n1.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4364
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4378.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2516
      • C:\Users\Admin\AppData\Roaming\3eb8n1.exe
        "C:\Users\Admin\AppData\Roaming\3eb8n1.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3372
  • C:\Users\Admin\AppData\Roaming\3eb8n1.exe
    "C:\Users\Admin\AppData\Roaming\3eb8n1.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:6060

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4378.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4378.tmp.bat
        • Size 150B
        • SHA256 2bce57e826f6f821bda938d56741e168b40b6c2022ae7d7347a387720ef3e076
        • MD5 SHA1 SHA512 TLSH

        3eb8n1.exe

        • Path C:\Users\Admin\AppData\Roaming\3eb8n1.exe
        • Size 45KB
        • SHA256 95f3c20a74c9da8b84c026165c02de5951d87a9d426d285426e7949c326453ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2080-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

        memory/2080-1-0x0000000000DE0000-0x0000000000DF2000-memory.dmp

        memory/2080-2-0x0000000074C00000-0x00000000753BC000-memory.dmp

        memory/2080-3-0x0000000005790000-0x000000000582C000-memory.dmp

        memory/2080-8-0x0000000074C00000-0x00000000753BC000-memory.dmp

        memory/6060-12-0x0000000074A30000-0x00000000751EC000-memory.dmp

        memory/6060-14-0x0000000074A30000-0x00000000751EC000-memory.dmp