Office (OLE) / .DOC malware analysis — malicious · 8971f037ed2f4826

MALICIOUS

Office (OLE) / .DOC

86.0 KB Created: 2010-02-09 11:16:00 Authoring application: Microsoft Word 11.5.6

MD5: 905194e78a95f8c2cf60ab2ba10b102e SHA-1: 68e3b33e39abc8146dae0c0056096ed3696e33e3 SHA-256: 8971f037ed2f482613eef7f4d2506873fb665f072894d2cf8336fea3ca2f9a8d

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. ClamAV detection as 'Doc.Trojan.Thus-8' further confirms its malicious nature. The document body discusses national identity and language, which appears to be a lure to encourage macro execution. The presence of a Document_Open macro strongly suggests the intent to download and execute a secondary payload.

Heuristics 4

ClamAV: Doc.Trojan.Thus-8 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Thus-8
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` `3c10db246ca0a9d9986c89842206508b22c8fafe36721c434e31a8afb31d443f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2023 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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