Analysis Report DEMLwnv0Nt.xlsb

Overview

General Information

Sample Name: DEMLwnv0Nt.xlsb
Analysis ID: 432040
MD5: de89502fa0ed1e751a5c68ef542113e6
SHA1: 776a87b2f73019ac58990fccbc3f5720484c3cf7
SHA256: 449e2cb6732de53677803fd5badb9e93c210df49b272b8c319d82a547db3722a
Tags: xlsbxlsx
Infos:

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 68
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Document exploit detected (UrlDownloadToFile)
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Found abnormal large hidden Excel 4.0 Macro sheet
Sigma detected: Microsoft Office Product Spawning Windows Shell
Allocates a big amount of memory (probably used for heap spraying)
JA3 SSL client fingerprint seen in connection with other malware
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Registers a DLL
Tries to load missing DLLs
Yara detected Xls With Macro 4.0

Classification

Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE File opened: C:\Windows\SysWOW64\MSVCR100.dll Jump to behavior
Source: unknown HTTPS traffic detected: 192.185.48.167:443 -> 192.168.2.4:49733 version: TLS 1.2
Source: unknown HTTPS traffic detected: 192.185.113.120:443 -> 192.168.2.4:49734 version: TLS 1.2

Software Vulnerabilities:

barindex
Document exploit detected (UrlDownloadToFile)
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Section loaded: unknown origin: URLDownloadToFileA Jump to behavior
Document exploit detected (process start blacklist hit)
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe
Allocates a big amount of memory (probably used for heap spraying)
Source: excel.exe Memory has grown: Private usage: 1MB later: 70MB
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: forfacks.com
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.4:49733 -> 192.185.48.167:443
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.4:49733 -> 192.185.48.167:443

Networking:

barindex
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19
Source: unknown DNS traffic detected: queries for: forfacks.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: http://olkflt.edog.officeapps.live.com/olkflt/outlookflighting.svc/api/glides
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: http://weather.service.msn.com/data.aspx
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://addinsinstallation.store.office.com/app/download
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://addinsinstallation.store.office.com/appinstall/preinstalled
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://addinslicensing.store.office.com/commerce/query
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://analysis.windows.net/powerbi/api
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://apc.learningtools.onenote.com/learningtoolsapi/v2.0/getfreeformspeech
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.aadrm.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.addins.omex.office.net/appinfo/query
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.addins.omex.office.net/appstate/query
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.addins.store.office.com/app/query
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.cortana.ai
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.diagnostics.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.diagnosticssdf.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.microsoftstream.com/api/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.office.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.onedrive.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.powerbi.com/beta/myorg/imports
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.powerbi.com/v1.0/myorg/datasets
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://api.powerbi.com/v1.0/myorg/groups
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://apis.live.net/v5.0/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://arc.msn.com/v4/api/selection
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://asgsmsproxyapi.azurewebsites.net/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://augloop.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://augloop.office.com/v2
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://autodiscover-s.outlook.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cdn.entity.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cdn.odc.officeapps.live.com/odc/stat/images/OneDriveUpsell.png
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cdn.odc.officeapps.live.com/odc/xml?resource=OneDriveSignUpUpsell
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cdn.odc.officeapps.live.com/odc/xml?resource=OneDriveSyncClientUpsell
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://client-office365-tas.msedge.net/ab
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://clients.config.office.net/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://clients.config.office.net/user/v1.0/android/policies
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://clients.config.office.net/user/v1.0/ios
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://clients.config.office.net/user/v1.0/mac
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://clients.config.office.net/user/v1.0/tenantassociationkey
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cloudfiles.onenote.com/upload.aspx
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://config.edge.skype.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://config.edge.skype.com/config/v1/Office
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://config.edge.skype.com/config/v2/Office
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cortana.ai
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cortana.ai/api
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://cr.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dataservice.o365filtering.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dataservice.o365filtering.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dataservice.o365filtering.com/PolicySync/PolicySync.svc/SyncFile
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dataservice.protection.outlook.com/PolicySync/PolicySync.svc/SyncFile
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dataservice.protection.outlook.com/PsorWebService/v1/ClientSyncFile/MipPolicies
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dev.cortana.ai
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dev.virtualearth.net/REST/V1/GeospatialEndpoint/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://dev0-api.acompli.net/autodetect
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://devnull.onenote.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://directory.services.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ecs.office.com/config/v2/Office
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://entitlement.diagnostics.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://entitlement.diagnosticssdf.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://eur.learningtools.onenote.com/learningtoolsapi/v2.0/getfreeformspeech
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://excel.uservoice.com/forums/304936-excel-for-mobile-devices-tablets-phones-android
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://globaldisco.crm.dynamics.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://graph.ppe.windows.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://graph.ppe.windows.net/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://graph.windows.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://graph.windows.net/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/api/telemetry
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/browse?
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/browse?cp=remix3d
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/microsoftcontent?initpivot=icons&premium=1
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/microsoftcontent?initpivot=stockimages&premium=1
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/microsoftcontent?initpivot=stockvideos&premium=1
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://hubblecontent.osi.office.net/contentsvc/microsofticon?
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://incidents.diagnostics.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://incidents.diagnosticssdf.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/hosted?host=office&adlt=strict&hostType=Immersive
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/officeonlinecontent/browse?cp=Bing
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/officeonlinecontent/browse?cp=ClipArt
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/officeonlinecontent/browse?cp=Facebook
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/officeonlinecontent/browse?cp=Flickr
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/images/officeonlinecontent/browse?cp=OneDrive
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://insertmedia.bing.office.net/odc/insertmedia
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://learningtools.onenote.com/learningtoolsapi/v2.0/GetFreeformSpeech
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://lifecycle.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://login.microsoftonline.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://login.windows-ppe.net/common/oauth2/authorize
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://login.windows.local
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://login.windows.net/72f988bf-86f1-41af-91ab-2d7cd011db47/oauth2/authorize
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://login.windows.net/common/oauth2/authorize
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://loki.delve.office.com/api/v1/configuration/officewin32/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://lookup.onenote.com/lookup/geolocation/v1
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://management.azure.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://management.azure.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://messaging.office.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://na01.oscs.protection.outlook.com/api/SafeLinksApi/GetPolicy
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://nam.learningtools.onenote.com/learningtoolsapi/v2.0/getfreeformspeech
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ncus.contentsync.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ncus.pagecontentsync.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://o365auditrealtimeingestion.manage.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://o365auditrealtimeingestion.manage.office.com/api/userauditrecord
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://o365diagnosticsppe-web.cloudapp.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ocos-office365-s2s.msedge.net/ab
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ofcrecsvcapi-int.azurewebsites.net/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://officeapps.live.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://officeci.azurewebsites.net/api/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://officemobile.uservoice.com/forums/929800-office-app-ios-and-ipad-asks
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://officesetup.getmicrosoftkey.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ogma.osi.office.net/TradukoApi/api/v1.0/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://omex.cdn.office.net/addinclassifier/officeentities
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://omex.cdn.office.net/addinclassifier/officeentitiesupdated
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://onedrive.live.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://onedrive.live.com/about/download/?windows10SyncClientInstalled=false
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://onedrive.live.com/embed?
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://outlook.office.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://outlook.office.com/autosuggest/api/v1/init?cvid=
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://outlook.office365.com/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://outlook.office365.com/api/v1.0/me/Activities
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://outlook.office365.com/autodiscover/autodiscover.json
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://ovisualuiapp.azurewebsites.net/pbiagave/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://pages.store.office.com/appshome.aspx?productgroup=Outlook
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://pages.store.office.com/webapplandingpage.aspx
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://partnerservices.getmicrosoftkey.com/PartnerProvisioning.svc/v1/subscriptions
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://pf.directory.live.com/profile/mine/System.ShortCircuitProfile.json
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://pf.directory.live.com/profile/mine/WLX.Profiles.IC.json
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://portal.office.com/account/?ref=ClientMeControl
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://posarprodcssservice.accesscontrol.windows.net/v2/OAuth2-13
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://powerlift-frontdesk.acompli.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://powerlift.acompli.net
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://powerpoint.uservoice.com/forums/288952-powerpoint-for-ipad-iphone-ios
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://prod-global-autodetect.acompli.net/autodetect
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://r4.res.office365.com/footprintconfig/v1.7/scripts/fpconfig.json
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://res.getmicrosoftkey.com/api/redemptionevents
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://rpsticket.partnerservices.getmicrosoftkey.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://settings.outlook.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://shell.suite.office.com:1443
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://skyapi.live.net/Activity/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://sr.outlook.office.net/ws/speech/recognize/assistant/work
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://staging.cortana.ai
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://storage.live.com/clientlogs/uploadlocation
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://store.office.cn/addinstemplate
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://store.office.com/addinstemplate
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://store.office.de/addinstemplate
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://store.officeppe.com/addinstemplate
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://syncservice.protection.outlook.com/PolicySync/PolicySync.svc/SyncFile
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://tasks.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://templatelogging.office.com/client/log
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://uci.cdn.office.net/mirrored/smartlookup/current/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://uci.officeapps.live.com/OfficeInsights/web/views/insights.desktop.html
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://uci.officeapps.live.com/OfficeInsights/web/views/insights.immersive.html
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://visio.uservoice.com/forums/368202-visio-on-devices
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://web.microsoftstream.com/video/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://webdir.online.lync.com/autodiscover/autodiscoverservice.svc/root/
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://webshell.suite.office.com
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://word.uservoice.com/forums/304948-word-for-ipad-iphone-ios
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://wus2.contentsync.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://wus2.pagecontentsync.
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://www.bingapis.com/api/v7/urlpreview/search?appid=E93048236FE27D972F67C5AF722136866DF65FA2
Source: AA310D15-039E-4B86-9827-EDEE6B2EFE37.0.dr String found in binary or memory: https://www.odwebp.svc.ms
Source: unknown Network traffic detected: HTTP traffic on port 49733 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49733
Source: unknown Network traffic detected: HTTP traffic on port 49734 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49734
Source: unknown HTTPS traffic detected: 192.185.48.167:443 -> 192.168.2.4:49733 version: TLS 1.2
Source: unknown HTTPS traffic detected: 192.185.113.120:443 -> 192.168.2.4:49734 version: TLS 1.2

System Summary:

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Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Source: Screenshot number: 4 Screenshot OCR: Enable Content ' ' 14 15 / , 16 " 17 18 WHY I CANNOT OPEN THIS DOCUMENT ? 19 20 21 W You
Found Excel 4.0 Macro with suspicious formulas
Source: DEMLwnv0Nt.xlsb Initial sample: EXEC
Found abnormal large hidden Excel 4.0 Macro sheet
Source: DEMLwnv0Nt.xlsb Initial sample: Sheet size: 8595
Source: DEMLwnv0Nt.xlsb Initial sample: Sheet size: 7538
Tries to load missing DLLs
Source: C:\Windows\SysWOW64\regsvr32.exe Section loaded: sfc.dll Jump to behavior
Source: C:\Windows\SysWOW64\regsvr32.exe Section loaded: sfc.dll Jump to behavior
Source: classification engine Classification label: mal68.expl.evad.winXLSB@5/10@2/2
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Office\16.0\WebServiceCache Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\{E0F9667A-771E-4A29-BB8F-202DC61ACE85} - OProcSessId.dat Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Windows\SysWOW64\regsvr32.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE 'C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE' /automation -Embedding
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe regsvr32 -s ..\werty1.dll
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe regsvr32 -s ..\werty2.dll
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe regsvr32 -s ..\werty1.dll Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe regsvr32 -s ..\werty2.dll Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image1.png
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image2.png
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image3.png
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image4.png
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image5.png
Source: DEMLwnv0Nt.xlsb Initial sample: OLE zip file path = xl/media/image6.png
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE File opened: C:\Windows\SysWOW64\MSVCR100.dll Jump to behavior

Data Obfuscation:

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Registers a DLL
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process created: C:\Windows\SysWOW64\regsvr32.exe regsvr32 -s ..\werty1.dll
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: FAILCRITICALERRORS | NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files (x86)\Microsoft Office\Office16\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: regsvr32.exe, 00000003.00000002.682293552.0000000004910000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.684389690.00000000035D0000.00000002.00000001.sdmp Binary or memory string: A Virtual Machine could not be started because Hyper-V is not installed.
Source: regsvr32.exe, 00000003.00000002.682293552.0000000004910000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.684389690.00000000035D0000.00000002.00000001.sdmp Binary or memory string: A communication protocol error has occurred between the Hyper-V Host and Guest Compute Service.
Source: regsvr32.exe, 00000003.00000002.682293552.0000000004910000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.684389690.00000000035D0000.00000002.00000001.sdmp Binary or memory string: The communication protocol version between the Hyper-V Host and Guest Compute Services is not supported.
Source: regsvr32.exe, 00000003.00000002.682293552.0000000004910000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.684389690.00000000035D0000.00000002.00000001.sdmp Binary or memory string: An unknown internal message was received by the Hyper-V Compute Service.

HIPS / PFW / Operating System Protection Evasion:

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Yara detected Xls With Macro 4.0
Source: Yara match File source: app.xml, type: SAMPLE
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs