Overview

overview

10

Static

static

10

18181a0015...21.exe

windows10-2004-x64

10

18181a0015...21.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 16:08

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General

  • Target
    18181a00151d02ded3831a6e94784ec230b0f7bc9c266add889fcb6b2ab40a21.exe
  • Size 45KB
  • Sample260714-tlcdkaf14k
  • SHA256 18181a00151d02ded3831a6e94784ec230b0f7bc9c266add889fcb6b2ab40a21
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet11.com:80

  • sexviet11.com:22

  • sexviet11.com:8080

  • sexviet11.com:8880

  • sexviet11.com:2052

  • sexviet11.com:2082

  • sexviet11.com:2086

  • sexviet11.com:2095

  • sexviet11.com:443

  • sexviet11.com:2053

  • sexviet11.com:2083

  • sexviet11.com:2087

  • sexviet11.com:2096

  • sexviet11.com:8443

  • www.sexviet11.com:80

  • www.sexviet11.com:22

  • www.sexviet11.com:8080

  • www.sexviet11.com:8880

  • www.sexviet11.com:2052

  • www.sexviet11.com:2082

Mutex

  • LFBNsgXielvs

Attributes
  • delay

    0

  • install

    true

  • install_file

    yzbo7t.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18181a00151d02ded3831a6e94784ec230b0f7bc9c266add889fcb6b2ab40a21.exe
    "C:\Users\Admin\AppData\Local\Temp\18181a00151d02ded3831a6e94784ec230b0f7bc9c266add889fcb6b2ab40a21.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "yzbo7t" /tr '"C:\Users\Admin\AppData\Roaming\yzbo7t.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:724
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "yzbo7t" /tr '"C:\Users\Admin\AppData\Roaming\yzbo7t.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2564
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6C1E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5892
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1068
      • C:\Users\Admin\AppData\Roaming\yzbo7t.exe
        "C:\Users\Admin\AppData\Roaming\yzbo7t.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5708
  • C:\Users\Admin\AppData\Roaming\yzbo7t.exe
    "C:\Users\Admin\AppData\Roaming\yzbo7t.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:6040
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3556

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp6C1E.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp6C1E.tmp.bat
          • Size 150B
          • SHA256 db35351a9a13835aa83966253d9c16647d68e5600433a2026ee392479f8cf370
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          yzbo7t.exe
          • Path C:\Users\Admin\AppData\Roaming\yzbo7t.exe
          • Size 45KB
          • SHA256 18181a00151d02ded3831a6e94784ec230b0f7bc9c266add889fcb6b2ab40a21
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5076-0-0x0000000074F52000-0x0000000074F53000-memory.dmp
          Download

          memory/5076-1-0x0000000000B60000-0x0000000000B72000-memory.dmp
          Download

          memory/5076-2-0x0000000074F40000-0x00000000756FC000-memory.dmp
          Download

          memory/5076-3-0x0000000005720000-0x00000000057BC000-memory.dmp
          Download

          memory/5076-8-0x0000000074F40000-0x00000000756FC000-memory.dmp
          Download

          memory/6040-12-0x0000000074F40000-0x00000000756FC000-memory.dmp
          Download

          memory/6040-14-0x0000000074F40000-0x00000000756FC000-memory.dmp
          Download