Analysis
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max time kernel
135s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
14-02-2022 15:09
Static task
static1
Behavioral task
behavioral1
Sample
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe
Resource
win10v2004-en-20220112
General
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Target
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe
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Size
1.9MB
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MD5
2d28df44857d0be0b1ca1e5b4987894e
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SHA1
a442fa9d272cfdbbcb406c8ef02c9a5d669c6fed
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SHA256
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d
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SHA512
7a6b19655597832c7c75518fe7f01f9916b30d70b61b0d617e93fb3209aafc2ce99687e0dcbaea3d46ac68f315a43a8fd7308dfd215854f706c7ebe9c0518d5a
Malware Config
Extracted
blackguard
https://onetwostep.at/
Signatures
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BlackGuard
Infostealer first seen in Late 2021.
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Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exepid process 100 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe -
Modifies data under HKEY_USERS 49 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895014234081104" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.505663" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.660163" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142932" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exepid process 100 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exeTiWorker.exedescription pid process Token: SeDebugPrivilege 100 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe Token: SeBackupPrivilege 3968 TiWorker.exe Token: SeRestorePrivilege 3968 TiWorker.exe Token: SeSecurityPrivilege 3968 TiWorker.exe -
outlook_office_path 1 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe -
outlook_win_path 1 IoCs
Processes:
f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe"C:\Users\Admin\AppData\Local\Temp\f2d25cb96d3411e4696f8f5401cb8f1af0d83bf3c6b69f511f1a694b1a86b74d.exe"1⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:100
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2260
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2996
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3968
Network
MITRE ATT&CK Enterprise v6
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Downloads
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Filesize
1.6MB
MD5616827a61d7a49ce5389c5d96443e35d
SHA1d522ee5607e122e775d77641dba09711146db739
SHA25654d4025bc175de5367d0ace1a78fec7edf06b642892691cf85afb02b8ab166d5
SHA512fd6a53cb9851e56b8dc6a40627058852f2949688b73dacf6f3e0fcf932453b8c52a3bfefb12c80c38397a89f1038ad8fad329ea2798b86457ce5d8fe7ba87312