Analysis
- max time kernel
148s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
06/07/2026, 15:00
General
- Target _1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe
- Size 1.6MB
- Sample260706-sdqqjscw2r
- SHA256 1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380
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 5 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 2 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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
- Suspicious behavior: EnumeratesProcesses 17 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"C:\Users\Admin\AppData\Local\Temp\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
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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
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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
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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\HeadlessChrome4860240722640 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome4860240722640\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\HeadlessChrome4860240722640 --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x204,0x208,0x20c,0x1e0,0x210,0x7ffa2b10c728,0x7ffa2b10c734,0x7ffa2b10c7405⤵
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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
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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\HeadlessEdge4832240723093 /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\HeadlessEdge4832240723093\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=0x338,0x33c,0x340,0x334,0x3ac,0x7ffa2acec188,0x7ffa2acec194,0x7ffa2acec1a05⤵
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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
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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
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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⤵
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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⤵
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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⤵
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C:\Users\Admin\AppData\Roaming\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exeC:\Users\Admin\AppData\Roaming\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"C:\Users\Admin\AppData\Roaming\_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Modify Authentication Process
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential 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
_1b3421ad62238718702637553f16933d34d0af635e0b9b6c10a0d9706dc75380.exe
memory/4036-6-0x0000000074760000-0x0000000074F1C000-memory.dmp
memory/4036-3-0x0000000005820000-0x00000000058B2000-memory.dmp
memory/4036-9-0x0000000074760000-0x0000000074F1C000-memory.dmp
memory/4036-10-0x0000000007FD0000-0x0000000008128000-memory.dmp
memory/4036-1-0x0000000000C00000-0x0000000000D9A000-memory.dmp
memory/4036-2-0x0000000005D40000-0x00000000062FA000-memory.dmp
memory/4036-8-0x0000000074772000-0x0000000074773000-memory.dmp
memory/4036-4-0x0000000005780000-0x000000000578A000-memory.dmp
memory/4036-15-0x0000000074760000-0x0000000074F1C000-memory.dmp
memory/4036-7-0x0000000005980000-0x000000000599C000-memory.dmp
memory/4036-0-0x0000000074772000-0x0000000074773000-memory.dmp
memory/4036-5-0x0000000005A50000-0x0000000005AEC000-memory.dmp
memory/5080-14-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/5080-13-0x0000000074760000-0x0000000074F1C000-memory.dmp
memory/5080-44-0x0000000006350000-0x0000000006512000-memory.dmp
memory/5080-12-0x0000000074760000-0x0000000074F1C000-memory.dmp
memory/5080-47-0x0000000006A50000-0x0000000006F7C000-memory.dmp
memory/5080-11-0x0000000000400000-0x00000000004C0000-memory.dmp
memory/5080-49-0x0000000006620000-0x0000000006696000-memory.dmp
memory/5080-56-0x0000000074760000-0x0000000074F1C000-memory.dmp