Office (OLE) malware analysis — malicious · 19e3351e7b342fe8

MALICIOUS

Office (OLE)

49.0 KB Created: 2007-05-23 20:04:00 Authoring application: Microsoft Word 10.0

MD5: 49115c7e308154148b6133a1858580cc SHA-1: 6f77c5260702345c295dbc0ee2ecb91b8b0a02a8 SHA-256: 19e3351e7b342fe82ddcaef283308dd55810f3652cae8466459b80a79d8ccb3a

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common delivery mechanism for malware. ClamAV detections further confirm its malicious nature. The document body is presented as a science test review, likely a lure to encourage the user to open and interact with the malicious content. No specific malware family could be identified, but the presence of a Document_Open macro suggests an attempt to execute malicious code upon opening.

Heuristics 4

ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Marker-40
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `1af8fe9d6d207df24d7e3c46cd908e9277e9f236f57900f892fcf69496f39cb9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4237 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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