Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/10/2025, 11:40

General

  • Target
    wp.vbs
  • Size 1.8MB
  • Sample251015-ntabaabq2v
  • SHA256 2353f9efd1b2723bdf95000197beff7664633dccf157d36b85c8b136bd955aa3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • OCT-13

C2
  • chongmei33.publicvm.com:2703

  • chongmei33.publicvm.com:7049

  • jamesrockky.ydns.eu:2703

  • jamesrockky.ydns.eu:7049

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • wshrat

C2
  • http://workingboss3.ydns.eu:7046

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Darktortilla

    DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.

  • Darktortilla family
  • Detects Darktortilla crypter. 1 IoCs
  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

  • Wshrat family
  • Badlisted process makes network request 27 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Script User-Agent 27 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\wp.vbs"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\adobe.js"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\adobe.js"
        3⤵
        • Badlisted process makes network request
        • Drops startup file
        • Adds Run key to start application
        PID:3024
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\svchost.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Users\Admin\AppData\Local\Temp\PIKr.exe
        "C:\Users\Admin\AppData\Local\Temp\PIKr.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2792
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c ping 127.0.0.1 -n 36 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost.exe" /t REG_SZ /d "C:\Users\Admin\adobe\adobe.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:4760
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 36
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:736
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "svchost.exe" /t REG_SZ /d "C:\Users\Admin\adobe\adobe.exe"
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            PID:704
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c ping 127.0.0.1 -n 41 > nul && copy "C:\Users\Admin\AppData\Local\Temp\PIKr.exe" "C:\Users\Admin\adobe\adobe.exe" && ping 127.0.0.1 -n 41 > nul && "C:\Users\Admin\adobe\adobe.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1484
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 41
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:332
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 41
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1568
          • C:\Users\Admin\adobe\adobe.exe
            "C:\Users\Admin\adobe\adobe.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1364
            • C:\Users\Admin\adobe\adobe.exe
              "C:\Users\Admin\adobe\adobe.exe"
              6⤵
              • Executes dropped EXE
              PID:5100
            • C:\Users\Admin\adobe\adobe.exe
              "C:\Users\Admin\adobe\adobe.exe"
              6⤵
                PID:4024
    • C:\Users\Admin\adobe\adobe.exe
      C:\Users\Admin\adobe\adobe.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Users\Admin\adobe\adobe.exe
        "C:\Users\Admin\adobe\adobe.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2472

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          adobe.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\adobe.exe.log
          • Size 1KB
          • SHA256 5cacd65efb4c2314c5e0fb2bd2be258454c678e22ca9b40fe5549a832059fa8f
          • MD5 SHA1 SHA512

          PIKr.exe

          • Path C:\Users\Admin\AppData\Local\Temp\PIKr.exe
          • Size 757KB
          • SHA256 86932b3e35ca4117808a7aa2e861fa0c165a61882b7c02297ce69c231014562d
          • MD5 SHA1 SHA512 SSDEEP

          adobe.js

          • Path C:\Users\Admin\AppData\Local\Temp\adobe.js
          • Size 305KB
          • SHA256 c68d222b233ea32ff2b032dee9930149dbcbc1541ada910bfca0a480080acb48
          • MD5 SHA1 SHA512 SSDEEP

          svchost.js

          • Path C:\Users\Admin\AppData\Local\Temp\svchost.js
          • Size 1.0MB
          • SHA256 dc3e237ea3de49419b0a281ae46500d3165fdf6af3c684c9f63f321e6018024c
          • MD5 SHA1 SHA512 SSDEEP

          memory/1364-72-0x0000000006D80000-0x0000000006D96000-memory.dmp

          memory/2472-63-0x0000000000400000-0x0000000000412000-memory.dmp

          memory/2472-70-0x0000000006500000-0x0000000006566000-memory.dmp

          memory/2792-28-0x00000000054D0000-0x000000000556C000-memory.dmp

          memory/2792-30-0x0000000005710000-0x000000000571A000-memory.dmp

          memory/2792-29-0x0000000005350000-0x0000000005392000-memory.dmp

          memory/2792-27-0x0000000005430000-0x00000000054C2000-memory.dmp

          memory/2792-26-0x00000000059E0000-0x0000000005F86000-memory.dmp

          memory/2792-25-0x0000000000840000-0x0000000000904000-memory.dmp

          memory/3560-54-0x0000000006B10000-0x0000000006B26000-memory.dmp

          memory/3560-55-0x0000000006B30000-0x0000000006B36000-memory.dmp