Analysis Report Refusal-1605078281-01212021.xlsm

Overview

General Information

Sample Name: Refusal-1605078281-01212021.xlsm
Analysis ID: 343115
MD5: 6b11147a8eb468cb247d32f4be0f7469
SHA1: ff599ff7ed480bf2485e1b85aed7e8c6bbe7aeec
SHA256: 2fc494967112688b5cf699386bbab79f9d23cc03527769adc932739a0be93094

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 60
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)
Found Excel 4.0 Macro with suspicious formulas
Yara detected MalDoc_1
Excel documents contains an embedded macro which executes code when the document is opened

Classification

Compliance:

barindex
Uses new MSVCR Dlls
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: unknown origin: URLDownloadToFileA Jump to behavior

Networking:

barindex
Yara detected MalDoc_1
Source: Yara match File source: sheet2.xml, type: SAMPLE
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\BE8DDBD9.png Jump to behavior

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 1 11 12 1 from the yellow bar above 13 14 1 @Once You have Enable Editing, please
Source: Screenshot number: 4 Screenshot OCR: Enable Content 15 1 from the yellow bar above 16 CI 17 I " I WHY I CANNOTOPEN THIS DOCUMENT? I
Source: Document image extraction number: 2 Screenshot OCR: Enable Editing from the yellow bar above Once You have Enable Editing, please click Enable Content
Source: Document image extraction number: 2 Screenshot OCR: Enable Content from the yellow bar above WHYICANNOTOPEN THIS DOCUMENT? You are using iOS or Andro
Source: Document image extraction number: 8 Screenshot OCR: Enable Editing from the yellow bar above @Once You have Enable Editing, please click Enable Conten
Source: Document image extraction number: 8 Screenshot OCR: Enable Content from the yellow bar above WHYICANNOTOPEN THIS DOCUMENT? wYou are using IDS or Andr
Found Excel 4.0 Macro with suspicious formulas
Source: Refusal-1605078281-01212021.xlsm Initial sample: EXEC
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"><fileVersion appName="xl" lastEdited="5" lowestEdited="4" rupBuild="9302"/><workbookPr filterPrivacy="1" defaultThemeVersion="124226"/><bookViews><workbookView xWindow="240" yWindow="105" windowWidth="14805" windowHeight="8010"/></bookViews><sheets><sheet name="DocuSign" sheetId="5" r:id="rId1"/><sheet name="Kotu" sheetId="4" state="hidden" r:id="rId2"/><sheet name="Mols" sheetId="1" state="hidden" r:id="rId3"/></sheets><definedNames><definedName name="_xlnm.Auto_Open">Kotu!$A$154</definedName></definedNames><calcPr calcId="144525"/></workbook>
Source: classification engine Classification label: mal60.troj.expl.evad.winXLSM@1/9@0/0
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\~$Refusal-1605078281-01212021.xlsm Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVRD26B.tmp Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/worksheets/_rels/sheet2.xml.rels
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/media/image1.png
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/media/image3.png
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/media/image2.png
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/printerSettings/printerSettings3.bin
Source: Refusal-1605078281-01212021.xlsm Initial sample: OLE zip file path = xl/calcChain.xml
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:\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
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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: 343115 Sample: Refusal-1605078281-01212021.xlsm Startdate: 22/01/2021 Architecture: WINDOWS Score: 60 11 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->11 13 Found Excel 4.0 Macro with suspicious formulas 2->13 15 Yara detected MalDoc_1 2->15 5 EXCEL.EXE 84 30 2->5         started        process3 file4 9 C:\...\~$Refusal-1605078281-01212021.xlsm, data 5->9 dropped 17 Document exploit detected (UrlDownloadToFile) 5->17 signatures5
No contacted IP infos