Office (OLE) / .DOC malware analysis — malicious · dc6b864fac013bd4

MALICIOUS

Office (OLE) / .DOC

52.0 KB Created: 2010-09-15 12:59:00 Authoring application: Microsoft Word 11.3.8

MD5: b9ccc37c093c82423588f3e5257cfbf8 SHA-1: 79f2b88280c661d984d0f82977b9a86e5c769fb1 SHA-256: dc6b864fac013bd426c231608ae6b93109a01265d3bb163952284f1c69ab8aef

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a malicious Microsoft Word document containing VBA macros, specifically a Document_Open macro. The document body presents a business proposal for 'Audi Lithodienstleistungen' to entice the user to open and interact with the malicious content. The presence of a Document_Open macro indicates an attempt to automatically execute malicious code upon opening the document. The ClamAV detection 'Doc.Trojan.Thus-10' further confirms its malicious nature.

Heuristics 4

ClamAV: Doc.Trojan.Thus-10 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Thus-10
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` `af06d37425d7addd3dedc74b2891d4f310dcef7378878b83a5270851dd8c05ff`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	5887 bytes
Detection ClamAV: Doc.Trojan.Thus-10 Obfuscation or payload: unlikely

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