Office (OLE) / .XLSX malware analysis — malicious · 32df4f4afa4d06c6

MALICIOUS

Office (OLE) / .XLSX

1.20 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: f9137fe9005de451da58b57301dba5b9 SHA-1: 5d756a8364f3382703825b71c89247bb2d156f11 SHA-256: 32df4f4afa4d06c6096d807535d584556cb7dca6234088299106a93a49a8e4ef

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The file is identified as malicious due to the exploitation of CVE-2017-0199, which is a critical vulnerability in Microsoft Office. This vulnerability allows for the execution of remote code by leveraging URL Monikers. The heuristic firing explicitly points to a remote loader mechanism using the URL 'https://agr.my/mSGalN?&morning'. Although VBA macros are present, they contain no executable statements, indicating the exploit is likely embedded within the OLE structure itself rather than a traditional macro execution.

Heuristics 2

OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199

Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
VBA project contains no executable statements low OLE_VBA_MACROS

Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1206 bytes

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