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Analysis Report https://us.cfloapi.com

Overview

General Information

Joe Sandbox Version:28.0.0 Lapis Lazuli
Analysis ID:201040
Start date:14.01.2020
Start time:23:57:43
Joe Sandbox Product:CloudBasic
Overall analysis duration:0h 2m 44s
Hypervisor based Inspection enabled:false
Report type:full
Cookbook file name:browseurl.jbs
Sample URL:https://us.cfloapi.com
Analysis system description:Windows 10 64 bit (version 1803) with Office 2016, Adobe Reader DC 19, Chrome 70, Firefox 63, Java 8.171, Flash 30.0.0.113
Number of analysed new started processes analysed:5
Number of new started drivers analysed:0
Number of existing processes analysed:0
Number of existing drivers analysed:0
Number of injected processes analysed:0
Technologies:
  • EGA enabled
Analysis stop reason:Timeout
Detection:UNKNOWN
Classification:unknown0.win@3/11@1/1
Cookbook Comments:
  • Adjust boot time
  • Enable AMSI
  • URL browsing timeout or error
Warnings:
Show All
  • Exclude process from analysis (whitelisted): ielowutil.exe, conhost.exe, CompatTelRunner.exe
  • Excluded IPs from analysis (whitelisted): 2.18.69.200, 104.125.64.249
  • Excluded domains from analysis (whitelisted): storeedgefd.dsx.mp.microsoft.com.edgekey.net.globalredir.akadns.net, e11290.dspg.akamaiedge.net, go.microsoft.com, go.microsoft.com.edgekey.net, e16646.dscg.akamaiedge.net, storeedgefd.dsx.mp.microsoft.com.edgekey.net, storeedgefd.xbetservices.akadns.net, storeedgefd.dsx.mp.microsoft.com
Errors:
  • URL not reachable

Detection

StrategyScoreRangeReportingWhitelistedDetection
Threshold00 - 100falseunknown

Confidence

StrategyScoreRangeFurther Analysis Required?Confidence
Threshold20 - 5true
ConfidenceConfidence


Classification

Analysis Advice

Initial sample is implementing a service and should be registered / started as service
Joe Sandbox was unable to browse the URL (domain or webserver down or HTTPS issue), try to browse the URL again later
Uses HTTPS for network communication, use the 'Proxy HTTPS (port 443) to read its encrypted data' cookbook for further analysis



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

Signature Overview

Click to jump to signature section


Networking:

barindex
Performs DNS lookupsShow sources
Source: unknownDNS traffic detected: queries for: us.cfloapi.com
Urls found in memory or binary dataShow sources
Source: ~DF82951DD1E10633F5.TMP.1.drString found in binary or memory: https://us.cfloapi.com/
Source: {E8C0D7BF-376C-11EA-AADE-44C1B3FB757B}.dat.1.drString found in binary or memory: https://us.cfloapi.com/Root
Uses HTTPSShow sources
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49762
Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49761
Source: unknownNetwork traffic detected: HTTP traffic on port 49761 -> 443
Source: unknownNetwork traffic detected: HTTP traffic on port 49762 -> 443

System Summary:

barindex
Classification labelShow sources
Source: classification engineClassification label: unknown0.win@3/11@1/1
Creates files inside the user directoryShow sources
Source: C:\Program Files\internet explorer\iexplore.exeFile created: C:\Users\user\AppData\Local\Microsoft\Internet Explorer\Recovery\HighJump to behavior
Creates temporary filesShow sources
Source: C:\Program Files\internet explorer\iexplore.exeFile created: C:\Users\user~1\AppData\Local\Temp\LowJump to behavior
Reads ini filesShow sources
Source: C:\Program Files\internet explorer\iexplore.exeFile read: C:\Users\desktop.iniJump to behavior
Spawns processesShow sources
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:5732 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:5732 CREDAT:17410 /prefetch:2Jump to behavior
Found graphical window changes (likely an installer)Show sources
Source: Window RecorderWindow detected: More than 3 window changes detected
Uses new MSVCR DllsShow sources
Source: C:\Program Files (x86)\Internet Explorer\iexplore.exeFile opened: C:\Program Files (x86)\Java\jre1.8.0_171\bin\msvcr100.dllJump to behavior

Malware Configuration

No configs have been found

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

Simulations

Behavior and APIs

No simulations

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

No Antivirus matches

Dropped Files

No Antivirus matches

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

SourceDetectionScannerLabelLink
https://us.cfloapi.com/Root0%Avira URL Cloudsafe
https://us.cfloapi.com/0%VirustotalBrowse
https://us.cfloapi.com/0%Avira URL Cloudsafe

Yara Overview

Initial Sample

No yara matches

PCAP (Network Traffic)

No yara matches

Dropped Files

No yara matches

Memory Dumps

No yara matches

Unpacked PEs

No yara matches

Sigma Overview

No Sigma rule has matched

Joe Sandbox View / Context

IPs

No context

Domains

No context

ASN

No context

JA3 Fingerprints

No context

Dropped Files

No context

Screenshots

Thumbnails

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