Office (OLE) malware analysis — malicious · e6ef8c21d9d876c1

MALICIOUS

Office (OLE)

47.0 KB Created: 2008-01-22 13:35:00 Authoring application: Microsoft Word 11.3.5

MD5: 351cb72ceb63ca2f5a01ba36e3413734 SHA-1: 296294c25db8e9eb8e002179530b9c0cffa16f0a SHA-256: e6ef8c21d9d876c1b6a168350771d5b3fdbdd6a33183a5fcf7f946d0b2334c5b

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is an Office document containing VBA macros, specifically a Document_Open macro, which is a common technique for initiating malicious activity. The ClamAV detection 'Doc.Trojan.Thus-8' strongly indicates malicious intent. The presence of a Document_Open macro suggests the malware attempts to execute code immediately upon the document being opened, likely to download and execute a second-stage payload. The document body content appears to be unrelated promotional text, suggesting it's a lure.

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` `3bb9471bcf8272352da136701eb1a2b7a12d1564f1f98e0b4681e5581062db17`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2387 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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