Analysis
- max time kernel
156s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
14/02/2022, 15:23
Static task
static1
Behavioral task
behavioral1
Sample
PH-1577391140.xlsb
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
PH-1577391140.xlsb
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
- Target PH-1577391140.xlsb
- Size 229KB
- Sample220214-ssf5nahfa7
- SHA256 d74b00dde228d80e09d1c2a9144216de68b8a89ac1966dacfcae8e9dc3f52738
- MD5 5bbbf314b9a3de15e51ea38187c3c3c5
- SHA1 e14b9563eb241c7582dfc4cfdfdab1d960b2c5e6
- SHA512 f39dfce897083bab7c48c593f7bb70a8d18eba5216c1f4c81688fbc68be9125cc142b942edffb7c53b12132ea6b494389eef35676fe52d10639a59a558fd7ef6
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
xlm4.0
Source
URLs
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xlm40.dropper
https://judgebryantweekes.com/R4uDKgmAJJY/9i.png
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xlm40.dropper
https://lawyeryouwant.com/LACxAeU53/92i.png
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xlm40.dropper
https://passmyielts.com/PvYsQMezfHK/93i.png
Signatures
- Process spawned unexpected child process 3 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3720 3352 regsvr32.exe 54 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1708 3352 regsvr32.exe 54 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2148 3352 regsvr32.exe 54 - Drops file in Windows directory 3 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 opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe - Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - Modifies data under HKEY_USERS 52 IoCs
description ioc Process 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\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\GroupConnectionCount = "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\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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.761763" 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\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\DownloadMonthlyLanBytes = "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\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\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\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.956445" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846161" 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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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\UploadCount = "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 = "0.000000" 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\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\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\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\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\NormalDownloadCount = "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\Settings svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895022175976793" 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 = "4124" 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\UploadMonthlyInternetBytes = "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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3868" svchost.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3352 EXCEL.EXE - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe Token: SeRestorePrivilege 1620 TiWorker.exe Token: SeSecurityPrivilege 1620 TiWorker.exe Token: SeBackupPrivilege 1620 TiWorker.exe - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE 3352 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3352 wrote to memory of 3720 3352 EXCEL.EXE 73 PID 3352 wrote to memory of 3720 3352 EXCEL.EXE 73 PID 3352 wrote to memory of 1708 3352 EXCEL.EXE 74 PID 3352 wrote to memory of 1708 3352 EXCEL.EXE 74 PID 3352 wrote to memory of 2148 3352 EXCEL.EXE 75 PID 3352 wrote to memory of 2148 3352 EXCEL.EXE 75
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\PH-1577391140.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Watdan\dxv1.ocx2⤵
- Process spawned unexpected child process
PID:3720
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C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Watdan\dxv2.ocx2⤵
- Process spawned unexpected child process
PID:1708
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C:\Windows\SYSTEM32\regsvr32.exeregsvr32 C:\Watdan\dxv3.ocx2⤵
- Process spawned unexpected child process
PID:2148
-
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:3348
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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:3996
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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:1620