Office (OLE) / .DOC malware analysis — malicious · ae6bb07ed36f1cac

MALICIOUS

Office (OLE) / .DOC

39.0 KB Created: 2010-08-02 09:46:00 Authoring application: Microsoft Word 10.1

MD5: dcf6d6ee8fed564d0273ea00e6c640c1 SHA-1: 3c824a1c07426ceb43642a5f8978048c261e6a8c SHA-256: ae6bb07ed36f1cacf6ac4641e29d53184ac59f3006a47861301da2038450c755

180 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. ClamAV signatures identify it as 'Doc.Trojan.Thus-8'. The document body contains a narrative that appears to be a lure to encourage macro execution. The presence of the Document_Open macro suggests the intent is to automatically run malicious code upon opening the document, likely to download and execute a second-stage 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` `25c979216a3e5338ffd12d5339c82e0857536b35ddcf09baeac483f2a0b7d4ba`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2366 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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