Office (OLE) / .XLS malware analysis — malicious · 3a8f7de03a913365

MALICIOUS

Office (OLE) / .XLS

817.5 KB Created: 2006-11-29 14:10:37 Authoring application: Microsoft Excel

MD5: 762a595011272a6184b48b71cf8387c3 SHA-1: c08239df9f7b3ff348a0cf5dff4681dd60806725 SHA-256: 3a8f7de03a91336586b4f7374c01fd797797defa3ab6ee6738f8cf42311f402a

80 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is an Excel spreadsheet containing VBA macros, indicated by the OLE_VBA_MACROS heuristic. The OLE_VBA_CREATEOBJ heuristic suggests the macros attempt to instantiate COM objects, a common technique for executing malicious code. The presence of 'macros.bas' as an extracted artifact further supports this. The document body discusses financial reporting and data integration, suggesting a lure to enable macros. No specific family could be identified, and the embedded URL was confirmed benign.

Heuristics 4

CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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://activex.microsoft.com/controls/vb6/mscomct2.cab

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `1519890064ffac2a025e902ebbf09496fb5c53b1b5134afb50e39612c9978e0c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	91444 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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