Analysis
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max time kernel
182s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 20:38
Static task
static1
Behavioral task
behavioral1
Sample
0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe
Resource
win7-en-20211208
General
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Target
0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe
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Size
435KB
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MD5
e6ee67b002cb6faa103debeb3c903ba6
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SHA1
fd6a295b24dce06d59173e8e0dbe935c41988ffd
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SHA256
0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254
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SHA512
043b8f18eae512b0cc65fcca0ce3f447e459d7bcaccfd5846a481f6f5fac7d047294e10f5485a341ab929e34f1c9ad474d3ff468564e6308b5d7ea35d9698b03
Malware Config
Signatures
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Taurus Stealer Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1016-131-0x0000000000400000-0x000000000046F000-memory.dmp family_taurus_stealer -
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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3960 timeout.exe -
Modifies data under HKEY_USERS 52 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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\DownloadMonthlyGroupBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084" 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\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.495761" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132896078036076810" 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\DownlinkUsageBps = "0" 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\MemoryUsageKB = "4308" 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\DownloadMonthlyRateFrCnt = "0" 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\MemoryUsageKB = "3960" 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\Usage\DownloadMonthlyInternetBytes = "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\LANConnectionCount = "0" 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\PeerInfoCount = "0" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\MemoryUsageKB = "4104" 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\UploadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.106610" 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\FrDownloadRatePct = "90" 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\UploadMonthlyInternetBytes = "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\GroupConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.028563" 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\DownlinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000" 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\DownloadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" svchost.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe Token: SeRestorePrivilege 3656 TiWorker.exe Token: SeSecurityPrivilege 3656 TiWorker.exe Token: SeBackupPrivilege 3656 TiWorker.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exedescription pid process target process PID 1016 wrote to memory of 2884 1016 0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe cmd.exe PID 1016 wrote to memory of 2884 1016 0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe cmd.exe PID 1016 wrote to memory of 2884 1016 0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe"C:\Users\Admin\AppData\Local\Temp\0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Windows\SysWOW64\cmd.exe/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\0789d73d267431f0bf6ed2dea3885a4cc00e185b635b2378ece2f4c3ecaad254.exe2⤵PID:2884
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C:\Windows\SysWOW64\timeout.exetimeout /t 33⤵
- Delays execution with timeout.exe
PID:3960
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3468
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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:2636
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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:3656