Windows Analysis Report idea-22543577.xlsm

Overview

General Information

Sample Name: idea-22543577.xlsm
Analysis ID: 438634
MD5: 690a255b0f1b59b3421800bab8b41c10
SHA1: 1036eaadc0201b50d3d005ad05e208888021b945
SHA256: 2aba85eff52ce4b7d41b651baec98fea810a3307dc2b90bebf1c68131018cb0f
Infos:

Most interesting Screenshot:

Detection

Hidden Macro 4.0
Score: 64
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)
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Sigma detected: Microsoft Office Product Spawning Windows Shell
Excel documents contains an embedded macro which executes code when the document is opened
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Potential document exploit detected (performs DNS queries)
Potential document exploit detected (performs HTTP gets)
Potential document exploit detected (unknown TCP traffic)
Registers a DLL

Classification

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: unknown HTTPS traffic detected: 108.167.165.249:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown HTTPS traffic detected: 5.100.155.169:443 -> 192.168.2.22:49168 version: TLS 1.2

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\regsvr32.exe
Potential document exploit detected (performs DNS queries)
Source: global traffic DNS query: name: senderoalcielo.com
Potential document exploit detected (performs HTTP gets)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 108.167.165.249:443
Potential document exploit detected (unknown TCP traffic)
Source: global traffic TCP traffic: 192.168.2.22:49165 -> 108.167.165.249:443

Networking:

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IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 5.100.155.169 5.100.155.169
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 7dcce5b76c8b17472d024758970a406b
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DA3B3626.png Jump to behavior
Source: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.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: senderoalcielo.com
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: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com
Source: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp String found in binary or memory: http://investor.msn.com/
Source: regsvr32.exe, 00000003.00000002.2155075481.0000000004AC7000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136756609.0000000004A37000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XML.asp
Source: regsvr32.exe, 00000003.00000002.2155075481.0000000004AC7000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136756609.0000000004A37000.00000002.00000001.sdmp String found in binary or memory: http://localizability/practices/XMLConfiguration.asp
Source: regsvr32.exe, 00000003.00000002.2151924460.0000000003A60000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2132271668.0000000003970000.00000002.00000001.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2004/08/addressing/role/anonymous.
Source: regsvr32.exe, 00000003.00000002.2150993644.0000000001CC0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2131607908.0000000001C40000.00000002.00000001.sdmp String found in binary or memory: http://servername/isapibackend.dll
Source: regsvr32.exe, 00000003.00000002.2155075481.0000000004AC7000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136756609.0000000004A37000.00000002.00000001.sdmp String found in binary or memory: http://services.msn.com/svcs/oe/certpage.asp?name=%s&email=%s&&Check
Source: regsvr32.exe, 00000003.00000002.2155075481.0000000004AC7000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136756609.0000000004A37000.00000002.00000001.sdmp String found in binary or memory: http://windowsmedia.com/redir/services.asp?WMPFriendly=true
Source: regsvr32.exe, 00000003.00000002.2151924460.0000000003A60000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2132271668.0000000003970000.00000002.00000001.sdmp String found in binary or memory: http://www.%s.comPA
Source: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp String found in binary or memory: http://www.hotmail.com/oe
Source: regsvr32.exe, 00000003.00000002.2155075481.0000000004AC7000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136756609.0000000004A37000.00000002.00000001.sdmp String found in binary or memory: http://www.icra.org/vocabulary/.
Source: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp String found in binary or memory: http://www.msnbc.com/news/ticker.txt
Source: regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp String found in binary or memory: http://www.windows.com/pctv.
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
Source: unknown HTTPS traffic detected: 108.167.165.249:443 -> 192.168.2.22:49165 version: TLS 1.2
Source: unknown HTTPS traffic detected: 5.100.155.169:443 -> 192.168.2.22:49168 version: TLS 1.2

System Summary:

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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" to unlock the editing document downloaded from the Internet. 15 16 Protected View
Source: Screenshot number: 4 Screenshot OCR: Enable content" to perform Microsoft Office Decryption Core to start 19 the decryption of the docum
Source: Document image extraction number: 0 Screenshot OCR: Enable editing" to unlock the editing document downloaded from the internet. Protected View This fi
Source: Document image extraction number: 0 Screenshot OCR: Enable content" to perform Microsoft Office Decryption Core to start the decryption of the document
Source: Document image extraction number: 1 Screenshot OCR: Enable editing" to unlock the editing document downloaded from the Internet. 0 Protected View This
Source: Document image extraction number: 1 Screenshot OCR: Enable content" to perform Microsoft Office Decryption Core to start the decryption of the document
Found Excel 4.0 Macro with suspicious formulas
Source: idea-22543577.xlsm Initial sample: CALL
Excel documents contains an embedded macro which executes code when the document is opened
Source: workbook.xml Binary string: 1" sheetId="16" state="hidden" r:id="rId1"/><sheet name="Sheet" sheetId="17" r:id="rId2"/><sheet name="Sheet1" sheetId="4" r:id="rId3"/><sheet name="Sheet2" sheetId="12" r:id="rId4"/><sheet name="Sheet4" sheetId="10" state="hidden" r:id="rId5"/><sheet name="Sheet5" sheetId="11" state="hidden" r:id="rId6"/><sheet name="Sheet6" sheetId="15" state="hidden" r:id="rId7"/><sheet name="Sheet7" sheetId="14" state="hidden" r:id="rId8"/></sheets><definedNames><definedName name="_xlnm.Auto_Open">Sheet6!$AJ$9</definedName></definedNames><calcPr calcId="122211"/></workbook>
Source: regsvr32.exe, 00000003.00000002.2154816088.00000000048E0000.00000002.00000001.sdmp, regsvr32.exe, 00000004.00000002.2136554514.0000000004850000.00000002.00000001.sdmp Binary or memory string: .VBPud<_
Source: classification engine Classification label: mal64.expl.evad.winXLSM@5/13@2/2
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\Desktop\~$idea-22543577.xlsm Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File created: C:\Users\user\AppData\Local\Temp\CVRECBE.tmp Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CA Jump to behavior
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\regsvr32.exe regsvr32 ..\wail1.dll
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe regsvr32 ..\wail2.dll
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe regsvr32 ..\wail1.dll Jump to behavior
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe regsvr32 ..\wail2.dll Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: idea-22543577.xlsm Initial sample: OLE zip file path = xl/media/image1.png
Source: idea-22543577.xlsm Initial sample: OLE zip file path = xl/worksheets/_rels/sheet2.xml.rels
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

Data Obfuscation:

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Registers a DLL
Source: C:\Program Files\Microsoft Office\Office14\EXCEL.EXE Process created: C:\Windows\System32\regsvr32.exe regsvr32 ..\wail1.dll
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\regsvr32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\regsvr32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\System32\regsvr32.exe TID: 2328 Thread sleep time: -60000s >= -30000s Jump to behavior
Source: C:\Windows\System32\regsvr32.exe TID: 2408 Thread sleep time: -60000s >= -30000s Jump to behavior