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Analysis Report Microsoft.html

Overview

General Information

Sample Name:Microsoft.html
MD5:ffed527f05e07ed347f0667112f87e53
SHA1:49c996a3a66db67175a211a7ac8aa834fb281555
SHA256:810bbbdf2c1bfcbd1e2fcf1044cf4a96f7119f9d375b94cabb7e617c2d32164e

Most interesting Screenshot:

Detection

Score:0
Range:0 - 100
Whitelisted:false
Confidence:80%

Signatures

JA3 SSL client fingerprint seen in connection with other malware

Classification

Startup

  • System is w10x64
  • iexplore.exe (PID: 5512 cmdline: 'C:\Program Files\Internet Explorer\iexplore.exe' -Embedding MD5: 6465CB92B25A7BC1DF8E01D8AC5E7596)
    • iexplore.exe (PID: 556 cmdline: 'C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE' SCODEF:5512 CREDAT:17410 /prefetch:2 MD5: 071277CC2E3DF41EEEA8013E2AB58D5A)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

No yara matches

Sigma Overview

No Sigma rule has matched

Signature Overview

Click to jump to signature section

Show All Signature Results

Source: Joe Sandbox ViewJA3 fingerprint: 9e10692f1b7f78228b2d4e424db3a98c
Source: msapplication.xml0.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.facebook.com/"/><date>0xb3d85f3a,0x01d630d0</date><accdate>0xb3d85f3a,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.facebook.com (Facebook)
Source: msapplication.xml0.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.facebook.com/"/><date>0xb3d85f3a,0x01d630d0</date><accdate>0xb3d85f3a,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Facebook.url"/></tile></msapplication></browserconfig> equals www.facebook.com (Facebook)
Source: msapplication.xml5.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.twitter.com/"/><date>0xb3dd7049,0x01d630d0</date><accdate>0xb3dd7049,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.twitter.com (Twitter)
Source: msapplication.xml5.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.twitter.com/"/><date>0xb3dd7049,0x01d630d0</date><accdate>0xb3dd7049,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Twitter.url"/></tile></msapplication></browserconfig> equals www.twitter.com (Twitter)
Source: msapplication.xml7.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.youtube.com/"/><date>0xb3dff8b7,0x01d630d0</date><accdate>0xb3dff8b7,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/></tile></msapplication></browserconfig> equals www.youtube.com (Youtube)
Source: msapplication.xml7.1.drString found in binary or memory: <browserconfig><msapplication><config><site src="http://www.youtube.com/"/><date>0xb3dff8b7,0x01d630d0</date><accdate>0xb3dff8b7,0x01d630d0</accdate></config><tile><wide310x150logo/><square310x310logo/><square70x70logo/><favorite src="C:\Users\user\Favorites\Youtube.url"/></tile></msapplication></browserconfig> equals www.youtube.com (Youtube)
Source: unknownDNS traffic detected: queries for: aapararaquara.com.br
Source: msapplication.xml.1.drString found in binary or memory: http://www.amazon.com/
Source: msapplication.xml1.1.drString found in binary or memory: http://www.google.com/
Source: msapplication.xml2.1.drString found in binary or memory: http://www.live.com/
Source: msapplication.xml3.1.drString found in binary or memory: http://www.nytimes.com/
Source: msapplication.xml4.1.drString found in binary or memory: http://www.reddit.com/
Source: msapplication.xml5.1.drString found in binary or memory: http://www.twitter.com/
Source: msapplication.xml6.1.drString found in binary or memory: http://www.wikipedia.com/
Source: msapplication.xml7.1.drString found in binary or memory: http://www.youtube.com/
Source: Microsoft.htmlString found in binary or memory: https://aapararaquara.com.br/
Source: Microsoft.htmlString found in binary or memory: https://mail.163.com/js6/main.jsp?sid=GBfYHAFHwvaOFFFzwgHHFQqsYGQzRCZg&amp;df)&amp;b=g=
Source: Microsoft.htmlString found in binary or memory: https://mail.163.com/js6/main.jsp?sid=GBfYHAFHwvaOFFFzwgHHFQqsYGQzRCZg&amp;df/js6/v1/neteasefont-reg
Source: Microsoft.htmlString found in binary or memory: https://sopas.rs/%40%40847%40%40634%40%40?wa=
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49744
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49743
Source: unknownNetwork traffic detected: HTTP traffic on port 49743 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 49744 -> 443

Source: classification engineClassification label: clean0.winHTML@3/16@1/1
Source: C:\Program Files\internet explorer\iexplore.exeFile created: C:\Users\user\AppData\Local\Microsoft\Internet Explorer\Recovery\HighJump to behavior
Source: C:\Program Files\internet explorer\iexplore.exeFile created: C:\Users\user\AppData\Local\Temp\~DF1E8EC30C5D04074F.TMPJump to behavior
Source: C:\Program Files\internet explorer\iexplore.exeFile read: C:\Users\desktop.iniJump to behavior
Source: unknownProcess created: C:\Program Files\internet explorer\iexplore.exe 'C:\Program Files\Internet Explorer\iexplore.exe' -Embedding
Source: unknownProcess created: C:\Program Files (x86)\Internet Explorer\iexplore.exe 'C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE' SCODEF:5512 CREDAT:17410 /prefetch:2
Source: C:\Program Files\internet explorer\iexplore.exeProcess created: C:\Program Files (x86)\Internet Explorer\iexplore.exe 'C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE' SCODEF:5512 CREDAT:17410 /prefetch:2Jump to behavior
Source: Window RecorderWindow detected: More than 3 window changes detected
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exeFile opened: C:\Program Files (x86)\Java\jre1.8.0_171\bin\msvcr100.dllJump to behavior

Mitre Att&ck Matrix

Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
Valid AccountsGraphical User Interface1Winlogon Helper DLLProcess Injection1Masquerading1Credential DumpingFile and Directory Discovery1Application Deployment SoftwareData from Local SystemData CompressedStandard Cryptographic Protocol2Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
Replication Through Removable MediaService ExecutionPort MonitorsAccessibility FeaturesProcess Injection1Network SniffingApplication Window DiscoveryRemote ServicesData from Removable MediaExfiltration Over Other Network MediumStandard Non-Application Layer Protocol1Exploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
External Remote ServicesWindows Management InstrumentationAccessibility FeaturesPath InterceptionRootkitInput CaptureQuery RegistryWindows Remote ManagementData from Network Shared DriveAutomated ExfiltrationStandard Application Layer Protocol2Exploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 process2 2 Behavior Graph ID: 232567 Sample: Microsoft.html Startdate: 23/05/2020 Architecture: WINDOWS Score: 0 5 iexplore.exe 3 84 2->5         started        process3 7 iexplore.exe 1 30 5->7         started        dnsIp4 10 aapararaquara.com.br 51.79.19.212, 443, 49743, 49744 unknown Canada 7->10

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.