Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    27/07/2026, 20:04

General

  • Target
    Windows Portable 64-bit.exe
  • Size 64KB
  • Sample260727-ytmlqa1vgw
  • SHA256 4b316291bf9bf7a45f4ddd012151d3157876fdc4a3b818c1729ce13344bf4d98
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 6 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 2 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Windows Portable 64-bit.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows Portable 64-bit.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4356
    • C:\Windows\SYSTEM32\netsh.exe
      "netsh" wlan show profiles
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:3240
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\fefb044b-4732-49ad-acbf-565b039b8aee.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\system32\timeout.exe
        timeout /t 2 /nobreak
        3⤵
        • Delays execution with timeout.exe
        PID:5844
  • C:\Users\Admin\AppData\Local\Temp\Windows Portable 64-bit.exe
    "C:\Users\Admin\AppData\Local\Temp\Windows Portable 64-bit.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\system32\netsh.exe
      "netsh" wlan show profiles
      2⤵
      • Event Triggered Execution: Netsh Helper DLL
      • System Network Configuration Discovery: Wi-Fi Discovery
      PID:4152
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\72b466b9-997b-47f5-a926-64be883a03f2.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\system32\timeout.exe
        timeout /t 2 /nobreak
        3⤵
        • Delays execution with timeout.exe
        PID:2124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        72b466b9-997b-47f5-a926-64be883a03f2.bat

        • Path C:\Users\Admin\AppData\Local\Temp\72b466b9-997b-47f5-a926-64be883a03f2.bat
        • Size 207B
        • SHA256 c966eef0ab9df098a8dd3fe3b46ebb7fb01b72c508f5ad64f68b933e7efc961e
        • MD5 SHA1 SHA512 TLSH

        fefb044b-4732-49ad-acbf-565b039b8aee.bat

        • Path C:\Users\Admin\AppData\Local\Temp\fefb044b-4732-49ad-acbf-565b039b8aee.bat
        • Size 207B
        • SHA256 3b7d1f5812f07c70b17eca12a3616b7c1981caaa4b7e711ba88274484e94b7a3
        • MD5 SHA1 SHA512 TLSH

        Windows Portable 64-bit.lnk

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Portable 64-bit.lnk
        • Size 1KB
        • SHA256 5379189cf21eefaf3b502418260c1ccef23fcde4454acebcb4aed6483af826ba
        • MD5 SHA1 SHA512 TLSH

        memory/2920-0-0x0000000000960000-0x0000000000976000-memory.dmp

        memory/2920-2-0x000000001BD60000-0x000000001BD70000-memory.dmp