Office (OLE) / .DOC malware analysis — malicious · a6d767c8a2ae6721

MALICIOUS

Office (OLE) / .DOC

29.5 KB Created: 2010-05-12 20:21:00 Authoring application: Microsoft Word 11.5.6

MD5: 7234fe946fe6366508341dd105cca767 SHA-1: 31382204c49f39d0b3c5adb449c9206c28fa7636 SHA-256: a6d767c8a2ae6721ad2d3cfc114fe1211d377a4481dbf14c03dccf5068a46d7d

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro. This macro is likely responsible for executing malicious code when the document is opened, as indicated by the critical ClamAV detection. The presence of a Document_Open macro strongly suggests an attempt to automate malicious execution upon file interaction.

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` `1763581e0d1b8aadafcacc20826f538628eb43732b3931fe8d9698eb616cd051`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2320 bytes
Detection ClamAV: Doc.Trojan.Thus-10 Obfuscation or payload: unlikely

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