Office (OLE) / .XLS malware analysis — malicious · 9d241adfec06a77a

MALICIOUS

Office (OLE) / .XLS

1.39 MB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel

MD5: fc411ee2ad5cd1bb313eb5c370214920 SHA-1: 824b72516d7add85f1f7f6f3f3ead267eac36d6d SHA-256: 9d241adfec06a77a1a1645f68b8c6d424c8a9a9b1bbb5c5ec93ead2962c105d6

188 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The sample is a malicious Microsoft Excel file containing VBA macros. The 'SE_ENABLE_LURE' heuristic indicates the document likely instructs the user to enable macros, a common technique for malware droppers. The 'OLE_VBA_CREATEOBJ' and 'OLE_VBA_CALLBYNAME' heuristics further confirm the presence of malicious VBA code. The 'CLAMAV_DETECTION' heuristic confirms the file is recognized as malware. No specific family could be identified, but the presence of VBA macros suggests a downloader or initial access payload.

Heuristics 7

ClamAV: Xls.Malware.Exvk-9785252-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Malware.Exvk-9785252-0
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
CallByName call high OLE_VBA_CALLBYNAME

CallByName call
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `62ad0b6dd051e43985f4df0e703aa41b4a769b72d9ea141ab3d437fc063127a1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	3777 bytes

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