Analysis Report Calculation-1776198036-01262021.xlsm

Overview

General Information

Sample Name:	Calculation-1776198036-01262021.xlsm
Analysis ID:	344672
MD5:	f28ff4fc549018f6eb3e27c3b9cd2473
SHA1:	aefcf3ad1685d3b55d027554ea81addb471a4d8f
SHA256:	fb75ce8dac7dbc3902418d23b9bf1f4d6be4b7a1f318620e57a81912c6987989
Most interesting Screenshot:

Detection

Hidden Macro 4.0

Score:	56
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

Excel documents contains an embedded macro which executes code when the document is opened

Classification

Signatures

Compliance:

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:

Document exploit detected (UrlDownloadToFile)

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

Section loaded: unknown origin: URLDownloadToFileA

Jump to behavior

Networking:

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\93E893EC.png

Jump to behavior

System Summary:

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: Calculation-1776198036-01262021.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="Lodet" sheetId="4" state="hidden" r:id="rId2"/><sheet name="kOTI" sheetId="1" state="hidden" r:id="rId3"/></sheets><definedNames><definedName name="_xlnm.Auto_Open">Lodet!$A$154</definedName></definedNames><calcPr calcId="144525"/></workbook>

Source: classification engine

Classification label: mal56.expl.evad.winXLSM@1/9@0/0

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\Desktop\~$Calculation-1776198036-01262021.xlsm

Jump to behavior

Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE

File created: C:\Users\user\AppData\Local\Temp\CVRE050.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: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/worksheets/_rels/sheet2.xml.rels
Source: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/media/image1.png
Source: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/media/image3.png
Source: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/media/image2.png
Source: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/printerSettings/printerSettings2.bin
Source: Calculation-1776198036-01262021.xlsm	Initial sample: OLE zip file path = xl/printerSettings/printerSettings3.bin
Source: Calculation-1776198036-01262021.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

Hooking and other Techniques for Hiding and Protection:

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

Screenshots

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

Network Map

No contacted IP infos

ID:	344672
Product:	CloudBasic
Start time:	21:51:04
Start date:	26.01.2021
Sample:	Calculation-1776198036-01262021.xlsm
Cookbook:	defaultwindowsofficecookbook.jbs
System description:	Windows 7 x64 SP1 with Office 2010 SP2 (IE 11, FF52, Chrome 57, Adobe Reader DC 15, Flash 25.0.0.127, Java 8 Update 121, .NET 4.6.2)
Architecture:	WINDOWS
MD5:	f28ff4fc549018f6eb3e27c3b9cd2473
SHA1:	aefcf3ad1685d3b55d027554ea81addb471a4d8f
SHA256:	fb75ce8dac7dbc3902418d23b9bf1f4d6be4b7a1f318620e57a81912c6987989
Filetype:	Excel Microsoft Office Open XML Format document (40004/1) 83.33%

Name	Type	MD5	SHA1	SHA256
C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\93E893EC.png	PNG image data, 205 x 58, 8-bit/color RGB, non-interlaced	D8574C9CC4123EF67C8B600850BE52EE	5547AC473B3523BA2410E04B75E37B1944EE0CCC	ADD8156BAA01E6A9DE10132E57A2E4659B1A8027A8850B8937E57D56A4FC204B
C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\9FCB8AFD.png	PNG image data, 24 x 24, 8-bit/color RGB, non-interlaced	A516B6CB784827C6BDE58BC9D341C1BD	9D602E7248E06FF639E6437A0A16EA7A4F9E6C73	EF8F7EDB6BA0B5ACEC64543A0AF1B133539FFD439F8324634C3F970112997074
C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\C96BDCDA.png	PNG image data, 24 x 24, 8-bit/color RGB, non-interlaced	02DB1068B56D3FD907241C2F3240F849	58EC338C879DDBDF02265CBEFA9A2FB08C569D20	D58FF94F5BB5D49236C138DC109CE83E82879D0D44BE387B0EA3773D908DD25F
C:\Users\user\AppData\Local\Temp\86EE0000	data	6A58EF9C257F5897CB017F04C5F5A34A	FF9709F7BAA37896778E6996D3BBDB99FF81F280	E9CFB75B2B2765F16C62FA07F315566CAFA0AC41D4CAC485C61733E1B1DAF8FD
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\Calculation-1776198036-01262021.LNK	MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Archive, ctime=Wed Aug 26 14:08:14 2020, mtime=Wed Jan 27 04:51:44 2021, atime=Wed Jan 27 04:51:44 2021, length=26318, window=hide	13CFB41B6EEC72E3C743E6796F94359D	4F89C1840FEA3FE80CE90A6201D9F63FC8CC1938	D23FB9E78F0455E0C2CC58AA3772DD939AACA91B69BA02ACC03D27630E2CD0F2
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\Desktop.LNK	MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Read-Only, Directory, ctime=Tue Oct 17 10:04:00 2017, mtime=Wed Jan 27 04:51:44 2021, atime=Wed Jan 27 04:51:44 2021, length=12288, window=hide	CD9B5CD29AE6DDA363BAA1DC73718917	5A2FA765C0EB9E77E249B0EB377ECE3C0EA3A16B	38DD8B92AFDDAD63A8A8662E5BA7085A4A3D52B749417B372A2B7F10041F235F
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\index.dat	ASCII text, with CRLF line terminators	AD1457C05C1DFE731F14882D8A7EC5DC	B0A9D3A272898CB6858ED56F457D2C13D699DF8C	4FDB44EDC5AFFDDEAE715154B0967AE23150E5FAF7441E8B185E90072E87A22F
C:\Users\user\Desktop\47EE0000	data	6A58EF9C257F5897CB017F04C5F5A34A	FF9709F7BAA37896778E6996D3BBDB99FF81F280	E9CFB75B2B2765F16C62FA07F315566CAFA0AC41D4CAC485C61733E1B1DAF8FD
C:\Users\user\Desktop\~$Calculation-1776198036-01262021.xlsm	data	96114D75E30EBD26B572C1FC83D1D02E	A44EEBDA5EB09862AC46346227F06F8CFAF19407	0C6F8CF0E504C17073E4C614C8A7063F194E335D840611EEFA9E29C7CED1A523

Analysis Report Calculation-1776198036-01262021.xlsm

Overview

General Information

Detection

Signatures

Classification

Signatures

Compliance:

Software Vulnerabilities:

Networking:

System Summary:

Hooking and other Techniques for Hiding and Protection:

Screenshots

Behavior Graph

Network Map