Office (OLE) malware analysis — malicious · 44a68d731c56fd71

MALICIOUS

Office (OLE)

109.5 KB Created: 2006-06-14 17:10:00 Authoring application: Microsoft Word 11.2

MD5: 5a6209d23c0dfa940e6786846ab005d9 SHA-1: 053dd6a9c3d150fda0b4a4c6ea3a35736021b1c7 SHA-256: 44a68d731c56fd71366f9cf38082e12803410536ccaeda30ac9390ac6855a651

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The sample is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. The ClamAV heuristic 'Doc.Trojan.Thus-8' strongly indicates malicious intent. The document body presents a questionnaire, a common social engineering lure to trick users into enabling macros. No specific second-stage payload or network communication was directly observed in the provided static analysis, but the presence of the Document_Open macro suggests an attempt to execute malicious code upon opening.

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` `588a321bc75a5ae4e5725821dec576a3355fde580c6308b43a6d085be431a441`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2375 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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