Analysis Report 090811fa_by_Libranalysis

ID:	412373
Product:	CloudBasic
Start time:	16:48:06
Start date:	12.05.2021
Sample:	090811fa_by_Libranalysis
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:	090811fa4bbb26277eebc82843f3d70e
SHA1:	135d07236adba8e6441c72df1b7f2c459505583c
SHA256:	11dad18ad216bbbf97891c947ef3b70acd0c5a9a0ce80a9f5c4bcaecd7275164
Filetype:	Microsoft Excel sheet (30009/1) 78.94%

Name	Type	MD5	SHA1	SHA256
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	Microsoft Cabinet archive data, 59863 bytes, 1 file	15775D95513782F99CDFB17E65DFCEB1	6C11F8BEE799B093F9FF4841E31041B081B23388	477A9559194EDF48848FCE59E05105168745A46BDC0871EA742A2588CA9FBE00
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A	data	D4AE187B4574036C2D76B6DF8A8C1A30	B06F409FA14BAB33CBAF4A37811B8740B624D9E5	A2CE3A0FA7D2A833D1801E01EC48E35B70D84F3467CC9F8FAB370386E13879C7
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	data	A3A9ECED05E688B6DDEC43E5D0601AB8	982C611DE3164758091BF35A02B07D10A120C6D3	D1C39500E630282EC5B10647DE4E1CA513922679F714AEFE47A5E3107C5AEA34
C:\Users\user\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A	data	DE5DFDD82260B1AB30F886C0860378B2	D8754F4D49DAFECB6E53456725CFD9D3F10C0454	5E473313114C22B5D8D7FC8D40FFE1BA768EE36C8B8CB3901BFDE86B00BCDAE5
C:\Users\user\AppData\Local\Temp\6ADE0000	data	B79D9070E6CC72295229D1A40281D4EF	1B429D85318ED5612331776142223F8B1B8479E4	A9499AFAD6A1323B863087632535346A85C14A392CE222080D9C26B40F5D89C3
C:\Users\user\AppData\Local\Temp\CabE486.tmp	Microsoft Cabinet archive data, 59863 bytes, 1 file	15775D95513782F99CDFB17E65DFCEB1	6C11F8BEE799B093F9FF4841E31041B081B23388	477A9559194EDF48848FCE59E05105168745A46BDC0871EA742A2588CA9FBE00
C:\Users\user\AppData\Local\Temp\TarE487.tmp	data	78CABD9F1AFFF17BB91A105CF4702188	52FA8144D1FC5F92DEB45E53F076BCC69F5D8CC7	C7B6743B228E40B19443E471081A51041974801D325DB4ED8FD73A1A24CBD066
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\090811fa_by_Libranalysis.LNK	MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Archive, ctime=Wed May 12 22:48:28 2021, mtime=Wed May 12 22:48:41 2021, atime=Wed May 12 22:48:41 2021, length=174080, window=hide	6E8491D2499A905365099A8837E9EEEC	E8C9C7568C37CED833C3B96B4CDE78DC65F2104A	40C9889280F9D606CA4F2D641B667748E9A26CFBFA89AB7CC6103E8861537A3D
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 May 12 22:48:41 2021, atime=Wed May 12 22:48:41 2021, length=16384, window=hide	52F6C269F431D729D49C19BD112AAC49	F055FAB4BF4EB976333A5B7727B4A378CAD93A5C	29FFFD5D44E4AE218E6DA12C0BF5665E5CA314B95034128C19A4F3E8310220AD
C:\Users\user\AppData\Roaming\Microsoft\Office\Recent\index.dat	ASCII text, with CRLF line terminators	CF3C5C35591A2447C1D979B0EDDE9466	431B45F35402FD3128B853F4C30084C881F7AC0D	13440321B212A4288E328810B16493FD519DD17A33BAB087284704CBE65B4FDA
C:\Users\user\Desktop\3BDE0000	Applesoft BASIC program data, first line number 16	8FA65C75ED4F0930AE76F0648B525EEF	67E3FCA753C7BE39A463E7C9C3F153269A9B7E56	AA8D2D91F70DF9F31C271EC78ADBB1519D567459CE2ED57A8E370C0A6221C6B3

AV Detection:

Multi AV Scanner detection for submitted file

Source: 090811fa_by_Libranalysis.xls

ReversingLabs: Detection: 10%

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

Uses secure TLS version for HTTPS connections

Source: unknown	HTTPS traffic detected: 192.185.39.58:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown	HTTPS traffic detected: 192.185.32.232:443 -> 192.168.2.22:49168 version: TLS 1.2

Software Vulnerabilities:

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: signifysystem.com

Potential document exploit detected (performs HTTP gets)

Source: global traffic

TCP traffic: 192.168.2.22:49165 -> 192.185.39.58:443

Potential document exploit detected (unknown TCP traffic)

Source: global traffic

TCP traffic: 192.168.2.22:49165 -> 192.185.39.58:443

Networking:

IP address seen in connection with other malware

Source: Joe Sandbox View	IP Address: 192.185.39.58 192.185.39.58
Source: Joe Sandbox View	IP Address: 192.185.32.232 192.185.32.232

JA3 SSL client fingerprint seen in connection with other malware

Source: Joe Sandbox View

JA3 fingerprint: 7dcce5b76c8b17472d024758970a406b

Downloads files

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

File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\T4O403JZ

Jump to behavior

Found strings which match to known social media urls

Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp

String found in binary or memory: Please visit http://www.hotmail.com/oe to learn more. equals www.hotmail.com (Hotmail)

Performs DNS lookups

Source: unknown

DNS traffic detected: queries for: signifysystem.com

URLs found in memory or binary data

Source: E0F5C59F9FA661F6F4C50B87FEF3A15A.0.dr	String found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c
Source: 77EC63BDA74BD0D0E0426DC8F8008506.0.dr	String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp	String found in binary or memory: http://investor.msn.com
Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp	String found in binary or memory: http://investor.msn.com/
Source: rundll32.exe, 00000002.00000002.2111131035.0000000001CD7000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104580920.0000000001C97000.00000002.00000001.sdmp	String found in binary or memory: http://localizability/practices/XML.asp
Source: rundll32.exe, 00000002.00000002.2111131035.0000000001CD7000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104580920.0000000001C97000.00000002.00000001.sdmp	String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: rundll32.exe, 00000002.00000002.2111131035.0000000001CD7000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104580920.0000000001C97000.00000002.00000001.sdmp	String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: rundll32.exe, 00000002.00000002.2111131035.0000000001CD7000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104580920.0000000001C97000.00000002.00000001.sdmp	String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp	String found in binary or memory: http://www.hotmail.com/oe
Source: rundll32.exe, 00000002.00000002.2111131035.0000000001CD7000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104580920.0000000001C97000.00000002.00000001.sdmp	String found in binary or memory: http://www.icra.org/vocabulary/.
Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp	String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp	String found in binary or memory: http://www.windows.com/pctv.

Uses HTTPS

Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49168
Source: unknown	Network traffic detected: HTTP traffic on port 49165 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 49165
Source: unknown	Network traffic detected: HTTP traffic on port 49168 -> 443

Uses secure TLS version for HTTPS connections

Source: unknown	HTTPS traffic detected: 192.185.39.58:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown	HTTPS traffic detected: 192.185.32.232:443 -> 192.168.2.22:49168 version: TLS 1.2

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 11 from the yellow bar above 12 13 Once You have Enable Editing, pleas ' RunDLL
Source: Document image extraction number: 6	Screenshot OCR: Enable Editing from the yellow bar above Once You have Enable Editing, please click Enable Content
Source: Document image extraction number: 6	Screenshot OCR: Enable Content from the yellow bar above WHY I CANNOT OPEN THIS DOCUMENT? You are using iOS or An

Found Excel 4.0 Macro with suspicious formulas

Source: 090811fa_by_Libranalysis.xls	Initial sample: CALL
Source: 090811fa_by_Libranalysis.xls	Initial sample: CALL
Source: 090811fa_by_Libranalysis.xls	Initial sample: EXEC

Found abnormal large hidden Excel 4.0 Macro sheet

Source: 090811fa_by_Libranalysis.xls

Initial sample: Sheet size: 14902

Document contains embedded VBA macros

Source: 090811fa_by_Libranalysis.xls

OLE indicator, VBA macros: true

Binary contains paths to development resources

Source: rundll32.exe, 00000002.00000002.2110857791.0000000001AF0000.00000002.00000001.sdmp, rundll32.exe, 00000003.00000002.2104381120.0000000001AB0000.00000002.00000001.sdmp

Binary or memory string: .VBPud<_

Classification label

Source: classification engine

Classification label: mal76.expl.evad.winXLS@5/11@2/2

Creates files inside the user directory

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

File created: C:\Users\user\Desktop\3BDE0000

Jump to behavior

Creates temporary files

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

File created: C:\Users\user\AppData\Local\Temp\CVRD1CF.tmp

Jump to behavior

Document contains an OLE Workbook stream indicating a Microsoft Excel file

Source: 090811fa_by_Libranalysis.xls

OLE indicator, Workbook stream: true

Reads ini files

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

File read: C:\Users\desktop.ini

Jump to behavior

Reads software policies

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

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA

Jump to behavior

Runs a DLL by calling functions

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

Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm,DllRegisterServer

Sample is known by Antivirus

Source: 090811fa_by_Libranalysis.xls

ReversingLabs: Detection: 10%

Spawns processes

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 ..\ritofm.cvm,DllRegisterServer
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm1,DllRegisterServer
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm,DllRegisterServer			Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE	Process created: C:\Windows\System32\rundll32.exe rundll32 ..\ritofm.cvm1,DllRegisterServer			Jump to behavior

Found GUI installer (many successful clicks)

Source: C:\Windows\System32\rundll32.exe	Automated click: OK
Source: C:\Windows\System32\rundll32.exe	Automated click: OK

Found graphical window changes (likely an installer)

Source: Window Recorder

Window detected: More than 3 window changes detected

Checks if Microsoft Office is installed

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

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

Hooking and other Techniques for Hiding and Protection:

Disables application error messsages (SetErrorMode)

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
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
Source: C:\Windows\System32\rundll32.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior