Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 12:12

General

  • Target
    bbb6e4ef217dcc3e215becd0ca7665a3ef826361c567d1d1391840ba3bd86217.exe
  • Size 45KB
  • Sample260715-pc65csbz8m
  • SHA256 bbb6e4ef217dcc3e215becd0ca7665a3ef826361c567d1d1391840ba3bd86217
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvietfree.com:80

  • sexvietfree.com:22

  • sexvietfree.com:8080

  • sexvietfree.com:8880

  • sexvietfree.com:2052

  • sexvietfree.com:2082

  • sexvietfree.com:2086

  • sexvietfree.com:2095

  • sexvietfree.com:443

  • sexvietfree.com:2053

  • sexvietfree.com:2083

  • sexvietfree.com:2087

  • sexvietfree.com:2096

  • sexvietfree.com:8443

  • www.sexvietfree.com:80

  • www.sexvietfree.com:22

  • www.sexvietfree.com:8080

  • www.sexvietfree.com:8880

  • www.sexvietfree.com:2052

  • www.sexvietfree.com:2082

Mutex
  • ynm1Bzczt7cE

Attributes
  • delay

    0

  • install

    true

  • install_file

    j1pv.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\bbb6e4ef217dcc3e215becd0ca7665a3ef826361c567d1d1391840ba3bd86217.exe
    "C:\Users\Admin\AppData\Local\Temp\bbb6e4ef217dcc3e215becd0ca7665a3ef826361c567d1d1391840ba3bd86217.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "j1pv" /tr '"C:\Users\Admin\AppData\Roaming\j1pv.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5496
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "j1pv" /tr '"C:\Users\Admin\AppData\Roaming\j1pv.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4556
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9A90.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4460
      • C:\Users\Admin\AppData\Roaming\j1pv.exe
        "C:\Users\Admin\AppData\Roaming\j1pv.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2320
  • C:\Users\Admin\AppData\Roaming\j1pv.exe
    "C:\Users\Admin\AppData\Roaming\j1pv.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4512

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp9A90.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9A90.tmp.bat
        • Size 148B
        • SHA256 65e36e765a04334c1b1c89a79a8aa5d16d2481bff6f1a81d6104b3d892f0468e
        • MD5 SHA1 SHA512 TLSH

        j1pv.exe

        • Path C:\Users\Admin\AppData\Roaming\j1pv.exe
        • Size 45KB
        • SHA256 bbb6e4ef217dcc3e215becd0ca7665a3ef826361c567d1d1391840ba3bd86217
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/972-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

        memory/972-1-0x0000000000BC0000-0x0000000000BD2000-memory.dmp

        memory/972-2-0x0000000074DC0000-0x000000007557C000-memory.dmp

        memory/972-3-0x0000000005730000-0x00000000057CC000-memory.dmp

        memory/972-9-0x0000000074DC0000-0x000000007557C000-memory.dmp

        memory/4512-12-0x0000000074DC0000-0x000000007557C000-memory.dmp

        memory/4512-14-0x0000000074DC0000-0x000000007557C000-memory.dmp