Analysis
- max time kernel
148s - max time network
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
02/07/2026, 02:47
General
- Target PB 2400.JS.js
- Size 6.5MB
- Sample260702-c94dhsbt3t
- SHA256 48f8f9303da8baab31e347d8f5686fe4b13a3a34af9e34395a2b61f27fd0c2bd
Malware Config
Signatures
- Uses browser remote debugging 2 TTPs 2 IoCs
Can be used control the browser and steal sensitive information such as credentials and session cookies.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Enumerates system info in registry 2 TTPs 4 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PB 2400.JS.js"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\AACMTNOOVSFJRXRH.PIF"C:\Users\Admin\Documents\AACMTNOOVSFJRXRH.PIF" C:\Users\Admin\Documents\AACMTNOOVSFJRXRH.ttf2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
-
C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe"C:\Users\Admin\AppData\Local\Temp\DumpBrowserSecrets.exe" /b:chrome /b:edge /b:brave /e:all3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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-throttling4⤵
- Uses browser remote debugging
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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\HeadlessChrome6820240690718 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome6820240690718\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome6820240690718 --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x218,0x21c,0x220,0x210,0x224,0x7ffda64cc728,0x7ffda64cc734,0x7ffda64cc7405⤵
-
-
-
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-throttling4⤵
- Uses browser remote debugging
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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\HeadlessEdge6680240690984 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge6680240690984\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=0x33c,0x348,0x34c,0x334,0x36c,0x7ffd95edc188,0x7ffd95edc194,0x7ffd95edc1a05⤵
-
-
-
-
-
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⤵
-
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⤵
-
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⤵
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
ChromeData.json
DllExtractChromiumSecrets.dll
DumpBrowserSecrets.exe
EdgeData.json
settings.dat
throttle_store.dat
AACMTNOOVSFJRXRH.PIF
AACMTNOOVSFJRXRH.ttf
memory/6600-39-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-56-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-12-0x0000000002740000-0x0000000002741000-memory.dmp
memory/6600-13-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-14-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-15-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-19-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-18-0x0000000002780000-0x0000000002781000-memory.dmp
memory/6600-17-0x0000000002770000-0x0000000002771000-memory.dmp
memory/6600-20-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-16-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-21-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-25-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-24-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-23-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-22-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-35-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-34-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-30-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-28-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-27-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-26-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-58-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-63-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-62-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-61-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-60-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-59-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-47-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-46-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-45-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-44-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-43-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-42-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-41-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-40-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-10-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-33-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-32-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-31-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-29-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-11-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-68-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-55-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-54-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-53-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-52-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-51-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-50-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-49-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-48-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-38-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-37-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-36-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-72-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-71-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-70-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-69-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-57-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-67-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-66-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-65-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-64-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-509-0x0000000075082000-0x0000000075083000-memory.dmp
memory/6600-510-0x0000000004C70000-0x0000000004D30000-memory.dmp
memory/6600-511-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-513-0x000000002ABF0000-0x000000002B1AA000-memory.dmp
memory/6600-512-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-514-0x0000000004D30000-0x0000000004D96000-memory.dmp
memory/6600-515-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-516-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-538-0x000000002B7B0000-0x000000002B972000-memory.dmp
memory/6600-541-0x000000002B980000-0x000000002BEAC000-memory.dmp
memory/6600-9-0x000000007FE90000-0x000000007FEA0000-memory.dmp
memory/6600-543-0x000000002C1F0000-0x000000002C266000-memory.dmp
memory/6600-546-0x0000000075082000-0x0000000075083000-memory.dmp
memory/6600-547-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-549-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-551-0x000000002C520000-0x000000002C532000-memory.dmp
memory/6600-553-0x0000000075070000-0x000000007582C000-memory.dmp
memory/6600-555-0x000000002DA60000-0x000000002DAF2000-memory.dmp
memory/6600-556-0x000000002DB60000-0x000000002DB6A000-memory.dmp