Resubmissions
21/02/2022, 13:18
220221-qj13csacf81021/02/2022, 12:26
220221-pl6j7abbgl421/02/2022, 11:41
220221-ntfs3aaac610Analysis
- max time kernel
1815s - max time network
1824s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
21/02/2022, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
DOC022122.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DOC022122.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target DOC022122.exe
- Size 773KB
- Sample220221-pl6j7abbgl
- SHA256 f80a58564f070acf295b2a76ce6331402b3e9e71eed07cf3e017376e1bdb0f36
- MD5 bb223afdfbf620b0b9150cc25493fb4a
- SHA1 393f98d1d69c52cdf38e44b0bffcf6bddcb66b14
- SHA512 f738f1207628c2d3114ad8c7a20ef2840c1be899a14e9cd3bc15379b08591e97f239648e5aa6e4d6cff47dc02947af020668f6eb2f6a3909b132e448fd4fc41a
- MD5 SHA1 SHA512
Score
4/10
Malware Config
Signatures
- Drops file in Windows directory 2 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 - Checks processor information in registry 2 TTPs 2 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 - 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\UplinkUsageBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" 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\DownloadMonthlyInternetBytes = "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\MonthID = "2" 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\UplinkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\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\UploadRatePct = "100" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.117642" 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\MemoryUsageKB = "4036" 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\UploadMonthlyLanBytes = "0" 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\CDNConnectionCount = "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\MemoryUsageKB = "4276" 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\DownloadMonthlyCdnBytes = "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\MemoryUsageKB = "4252" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080" 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\GroupConnectionCount = "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\NormalDownloadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.658333" 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\CacheSizeBytes = "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\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\PriorityDownloadCount = "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\Config\DODownloadMode = "1" 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\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\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\UploadCount = "0" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe Token: SeRestorePrivilege 1752 TiWorker.exe Token: SeSecurityPrivilege 1752 TiWorker.exe Token: SeBackupPrivilege 1752 TiWorker.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\DOC022122.exe"C:\Users\Admin\AppData\Local\Temp\DOC022122.exe"1⤵PID:1628
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
PID:3828
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Modifies data under HKEY_USERS
PID:2096
-
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:1752
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵PID:3328
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wsappx -p1⤵PID:4052
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k wusvcs -p1⤵PID:868