Analysis
- max time kernel
185s - max time network
198s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/02/2022, 09:22
Static task
static1
Behavioral task
behavioral1
Sample
8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe
- Size 731KB
- Sample220219-lbyj2sbdam
- SHA256 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e
- MD5 b8157612ee8f2c2ff4e508cb92af3c2c
- SHA1 53370fb3b857e9b0967821eb88178c6b33c17b0a
- SHA512 e267bc6a87319d6bf1303635e8dcca383cc6ae6aeba142cd66b14d7ac4105681988d0b49c93e12df3c85535dc322fd6d2aa4941653988363405af6c188338688
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- NetWire RAT payload 2 IoCs
resource yara_rule behavioral2/memory/648-134-0x0000000000400000-0x000000000041F000-memory.dmp netwire behavioral2/memory/648-136-0x0000000000400000-0x000000000041F000-memory.dmp netwire - Executes dropped EXE 1 IoCs
pid Process 2308 BdSC.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\UWNDUMLaLCNS.lnk BdSC.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2308 set thread context of 648 2308 BdSC.exe 60 - Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Logs\CBS\CBS.log TiWorker.exe File opened for modification C:\Windows\WinSxS\pending.xml TiWorker.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\.Identifier RegSvcs.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\.Identifier RegSvcs.exe File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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 Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe - Modifies data under HKEY_USERS 48 IoCs
description ioc Process 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\MonthID = "2" 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\DownloadMonthlyRateFrBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\SwarmCount = "1" 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\UploadRatePct = "100" 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\CacheSizeBytes = "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\DownlinkUsageBps = "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\Config\DODownloadMode = "1" 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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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\FrDownloadRatePct = "90" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\Usage svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4044" svchost.exe 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\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" 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\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.644751" 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\CDNConnectionCount = "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\InternetConnectionCount = "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 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\Config\DownloadMode_BackCompat = "1" 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 = "0.000000" 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\DownloadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132899129883410428" svchost.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe 2308 BdSC.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe Token: SeRestorePrivilege 3552 TiWorker.exe Token: SeSecurityPrivilege 3552 TiWorker.exe Token: SeBackupPrivilege 3552 TiWorker.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 492 wrote to memory of 2308 492 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe 59 PID 492 wrote to memory of 2308 492 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe 59 PID 492 wrote to memory of 2308 492 8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe 59 PID 2308 wrote to memory of 648 2308 BdSC.exe 60 PID 2308 wrote to memory of 648 2308 BdSC.exe 60 PID 2308 wrote to memory of 648 2308 BdSC.exe 60 PID 2308 wrote to memory of 648 2308 BdSC.exe 60 PID 2308 wrote to memory of 648 2308 BdSC.exe 60
Processes
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C:\Users\Admin\AppData\Local\Temp\8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe"C:\Users\Admin\AppData\Local\Temp\8b588bf5db57e8a9e4d50d62bffd0cfd154158c882533388f9e74fb26ea8d69e.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BdSC.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BdSC.exe eIAJE2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe03⤵
- Drops file in Windows directory
PID:648
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:312
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1180
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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:1136
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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:3552