Office (OLE) / .DOC malware analysis — malicious · 824dabf2a9839b9a

MALICIOUS

Office (OLE) / .DOC

3.30 MB Created: 2010-07-31 18:34:00 Authoring application: Microsoft Word 11.5.6

MD5: 61c583174a1dc51964c132ffd473f0c6 SHA-1: c11161bbab69c1085c2ba73379c2da1aa81e3bdb SHA-256: 824dabf2a9839b9ac08725323efc50bd622617bc50c4743cf59b7c2f7128fe07

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a Microsoft Word document with a detected VBA macro, specifically a Document_Open macro, which is a common technique for initial execution. The document body contains a list of names, suggesting a social engineering lure to encourage macro execution. The presence of ClamAV detections further confirms its malicious nature. The Document_Open macro likely executes malicious code upon opening the document.

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` `c8c20b05f8427ae3a6aa727ced6d5f782c45538fc60ff6d8c24736f4b4f92925`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4282 bytes
Detection ClamAV: Doc.Trojan.Marker-2 Obfuscation or payload: unlikely

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