Analysis Report SecuriteInfo.com.Exploit.Siggen3.10350.27303.12062

Overview

General Information

Sample Name: SecuriteInfo.com.Exploit.Siggen3.10350.27303.12062 (renamed file extension from 12062 to xls)
Analysis ID: 355599
MD5: ad9550ee6ece8322501ed92d374d3928
SHA1: d0617e5cb90b4db4fcf2269ffd8228b9ca4f89af
SHA256: 74423c8236cd5057af8e4ffbf84fdcbb34f5e6dc8f8dc0520c685c7fd6bc100a

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 88
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus detection for URL or domain
Found malicious Excel 4.0 Macro
Multi AV Scanner detection for submitted file
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
Sigma detected: Microsoft Office Product Spawning Windows Shell
Allocates a big amount of memory (probably used for heap spraying)
Document contains embedded VBA macros
IP address seen in connection with other malware
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
Yara signature match

Classification

AV Detection:

barindex
Antivirus detection for URL or domain
Source: http://www.chipmania.it/mails/open.php Avira URL Cloud: Label: malware
Multi AV Scanner detection for submitted file
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls Virustotal: Detection: 11% Perma Link

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: \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 Jump to behavior
Allocates a big amount of memory (probably used for heap spraying)
Source: excel.exe Memory has grown: Private usage: 4MB later: 60MB
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: www.chipmania.it
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49167 -> 185.81.0.78:80
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49167 -> 185.81.0.78:80

Networking:

barindex
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 185.81.0.78 185.81.0.78
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /mails/open.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: www.chipmania.itConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET /mails/open.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: www.chipmania.itConnection: Keep-Alive
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.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: www.chipmania.it
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com/
Source: rundll32.exe, 00000003.00000002.2148203075.0000000001E37000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XML.asp
Source: rundll32.exe, 00000003.00000002.2148203075.0000000001E37000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: rundll32.exe, 00000003.00000002.2148203075.0000000001E37000.00000002.00000001.sdmp String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: rundll32.exe, 00000003.00000002.2148203075.0000000001E37000.00000002.00000001.sdmp String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp String found in binary or memory: http://www.hotmail.com/oe
Source: rundll32.exe, 00000003.00000002.2148203075.0000000001E37000.00000002.00000001.sdmp String found in binary or memory: http://www.icra.org/vocabulary/.
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp String found in binary or memory: http://www.windows.com/pctv.

System Summary:

barindex
Found malicious Excel 4.0 Macro
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls Initial sample: urlmon
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 15 " Once you have enabled editing, please click
Source: Screenshot number: 4 Screenshot OCR: Enable content button jl , ' ' "==~ " from the yellow bar above 18 m ^mt~ .. |j 23 24 25 2
Source: Document image extraction number: 0 Screenshot OCR: Enable editing button from the yellow bar above Once you have enabled editing, please click Enable
Source: Document image extraction number: 0 Screenshot OCR: Enable content button from the yellow bar above I \ , I ' /
Found Excel 4.0 Macro with suspicious formulas
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls Initial sample: EXEC
Document contains embedded VBA macros
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls OLE indicator, VBA macros: true
Yara signature match
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls, type: SAMPLE Matched rule: SUSP_Excel4Macro_AutoOpen date = 2020-03-26, author = John Lambert @JohnLaTwC, description = Detects Excel4 macro use with auto open / close, score = 2fb198f6ad33d0f26fb94a1aa159fef7296e0421da68887b8f2548bbd227e58f
Source: rundll32.exe, 00000003.00000002.2148054390.0000000001C50000.00000002.00000001.sdmp Binary or memory string: .VBPud<_
Source: classification engine Classification label: mal88.expl.evad.winXLS@3/5@1/1
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\4FCE0000 Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVRC37D.tmp Jump to behavior
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls OLE indicator, Workbook stream: true
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: unknown Process created: C:\Windows\System32\rundll32.exe rundll32 ..\BASE.BABAA,DllRegisterServer
Source: SecuriteInfo.com.Exploit.Siggen3.10350.27303.xls Virustotal: Detection: 11%
Source: unknown Process created: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE 'C:\Program Files\Microsoft Office\Office14\EXCEL.EXE' /automation -Embedding
Source: unknown Process created: C:\Windows\System32\rundll32.exe rundll32 ..\BASE.BABAA,DllRegisterServer
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\rundll32.exe rundll32 ..\BASE.BABAA,DllRegisterServer Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
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
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