Analysis Report invoice_661434949_67552437.xlsm

Overview

General Information

Sample Name: invoice_661434949_67552437.xlsm
Analysis ID: 385000
MD5: 64f33ccbc7976306417b2b2528daa5fe
SHA1: d71433580e83ab455556a88c483d1887e9641be6
SHA256: 03a7d4fc0e9d75fb98ca2aba43729acb93803959b1421d8878548643c12e3d73
Infos:

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 80
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
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
Excel documents contains an embedded macro which executes code when the document is opened
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Uses a known web browser user agent for HTTP communication

Classification

AV Detection:

barindex
Antivirus detection for URL or domain
Source: http://indianoci.co.uk/ufriends/support.php Avira URL Cloud: Label: phishing
Multi AV Scanner detection for domain / URL
Source: http://indianoci.co.uk/ufriends/support.php Virustotal: Detection: 11% Perma Link
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior

Software Vulnerabilities:

barindex
Document exploit detected (UrlDownloadToFile)
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Section loaded: \KnownDlls\api-ms-win-downlevel-shlwapi-l2-1-0.dll origin: URLDownloadToFileA Jump to behavior
Document exploit detected (process start blacklist hit)
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: indianoci.co.uk
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 104.21.43.238:80
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 104.21.43.238:80

Networking:

barindex
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /ufriends/support.php HTTP/1.1Accept: */*UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: indianoci.co.ukConnection: Keep-Alive
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\28466324.png Jump to behavior
Source: global traffic HTTP traffic detected: GET /ufriends/support.php HTTP/1.1Accept: */*UA-CPU: AMD64Accept-Encoding: gzip, deflateUser-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; Trident/7.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)Host: indianoci.co.ukConnection: Keep-Alive
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)
Source: unknown DNS traffic detected: queries for: indianoci.co.uk
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com/
Source: rundll32.exe, 00000003.00000002.2082257180.0000000001D07000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XML.asp
Source: rundll32.exe, 00000003.00000002.2082257180.0000000001D07000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: rundll32.exe, 00000003.00000002.2082257180.0000000001D07000.00000002.00000001.sdmp String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: rundll32.exe, 00000003.00000002.2082257180.0000000001D07000.00000002.00000001.sdmp String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: http://www.hotmail.com/oe
Source: rundll32.exe, 00000003.00000002.2082257180.0000000001D07000.00000002.00000001.sdmp String found in binary or memory: http://www.icra.org/vocabulary/.
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp String found in binary or memory: http://www.windows.com/pctv.
Source: support[1].htm.0.dr String found in binary or memory: https://www.cloudflare.com/5xx-error-landing

System Summary:

barindex
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Source: Screenshot number: 4 Screenshot OCR: Enable editing button from the yellow bar above 12 " Once you have enabled edding, please click Ena
Source: Screenshot number: 4 Screenshot OCR: Enable Content bytton from the yellow bar above 13 14 15 16 17 18 19 20 21 22 23 24 25
Source: Document image extraction number: 1 Screenshot OCR: Enable editing button from the yellow bar above Once you have enabled editing. please click Enabl
Source: Document image extraction number: 1 Screenshot OCR: Enable Content bytton from the yellow bar above
Source: Screenshot number: 8 Screenshot OCR: Enable editing button from the yellm bar above 12 " Once you have enabled edding, please c|ltfnab|e
Found Excel 4.0 Macro with suspicious formulas
Source: invoice_661434949_67552437.xlsm Initial sample: EXEC
Found abnormal large hidden Excel 4.0 Macro sheet
Source: invoice_661434949_67552437.xlsm Initial sample: Sheet size: 33810
Excel documents contains an embedded macro which executes code when the document is opened
Source: workbook.xml Binary string: <workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="x15 xr xr6 xr10 xr2" xmlns:x15="http://schemas.microsoft.com/office/spreadsheetml/2010/11/main" xmlns:xr="http://schemas.microsoft.com/office/spreadsheetml/2014/revision" xmlns:xr6="http://schemas.microsoft.com/office/spreadsheetml/2016/revision6" xmlns:xr10="http://schemas.microsoft.com/office/spreadsheetml/2016/revision10" xmlns:xr2="http://schemas.microsoft.com/office/spreadsheetml/2015/revision2"><fileVersion appName="xl" lastEdited="7" lowestEdited="7" rupBuild="22730"/><workbookPr defaultThemeVersion="166925"/><mc:AlternateContent xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"><mc:Choice Requires="x15"><x15ac:absPath url="E:\Nowiy\" xmlns:x15ac="http://schemas.microsoft.com/office/spreadsheetml/2010/11/ac"/></mc:Choice></mc:AlternateContent><xr:revisionPtr revIDLastSave="0" documentId="13_ncr:1_{05BDDAB3-C450-4DCC-9410-E7A97B5B20DA}" xr6:coauthVersionLast="45" xr6:coauthVersionMax="45" xr10:uidLastSave="{00000000-0000-0000-0000-000000000000}"/><bookViews><workbookView xWindow="-108" yWindow="-108" windowWidth="20376" windowHeight="12360" xr2:uid="{00000000-000D-0000-FFFF-FFFF00000000}"/></bookViews><sheets><sheet name="Doc" sheetId="1" r:id="rId1"/><sheet name="Doc1" sheetId="2" r:id="rId2"/><sheet name="Doc2" sheetId="3" state="hidden" r:id="rId3"/></sheets><definedNames><definedName name="_xlnm.Auto_Open">'Doc1'!$CL$5</definedName></definedNames><calcPr calcId="0"/></workbook>
Source: rundll32.exe, 00000003.00000002.2082025759.0000000001B20000.00000002.00000001.sdmp Binary or memory string: .VBPud<_
Source: classification engine Classification label: mal80.expl.evad.winXLSM@3/10@1/1
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\~$invoice_661434949_67552437.xlsm Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVRBBCF.tmp Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Windows\System32\rundll32.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe rundll32 ..\GVer.iks,StartW
Source: unknown Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE 'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe rundll32 ..\GVer.iks,StartW
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe rundll32 ..\GVer.iks,StartW Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: invoice_661434949_67552437.xlsm Initial sample: OLE zip file path = xl/media/image1.png
Source: invoice_661434949_67552437.xlsm Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Excel\Resiliency\StartupItems Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File opened: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4940_none_08e4299fa83d7e3c\MSVCR90.dll Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
windows-stand
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 signatures2 2 Behavior Graph ID: 385000 Sample: invoice_661434949_67552437.xlsm Startdate: 11/04/2021 Architecture: WINDOWS Score: 80 17 Multi AV Scanner detection for domain / URL 2->17 19 Antivirus detection for URL or domain 2->19 21 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->21 23 3 other signatures 2->23 6 EXCEL.EXE 84 43 2->6         started        process3 dnsIp4 15 indianoci.co.uk 104.21.43.238, 49165, 80 CLOUDFLARENETUS United States 6->15 13 C:\...\~$invoice_661434949_67552437.xlsm, data 6->13 dropped 25 Document exploit detected (UrlDownloadToFile) 6->25 11 rundll32.exe 6->11         started        file5 signatures6 process7
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
104.21.43.238
 indianoci.co.uk United States
13335 CLOUDFLARENETUS false

Contacted Domains

Name IP Active
indianoci.co.uk 104.21.43.238 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://indianoci.co.uk/ufriends/support.php true
  • 12%, Virustotal, Browse
  • Avira URL Cloud: phishing
 unknown