Office (OLE) malware analysis — malicious · 1ae746cc6935f91f

MALICIOUS

Office (OLE)

32.0 KB Created: 2006-05-09 22:10:00 Authoring application: Microsoft Word 11.1

MD5: 1df23e7b86a714bdd9933b6afaad8a4a SHA-1: 9f07f096f714cc61c22c2f208462902da2e1c8bf SHA-256: 1ae746cc6935f91f0a125e7a5aeb7ad7fdd45b4ed515cfec0805c91d8d34d1f6

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature 'Doc.Trojan.Thus-8'. Static analysis detected VBA macros, specifically a 'Document_Open' macro, which is a common technique for executing malicious code upon opening the document. The presence of this macro suggests the document is intended 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` `06a86dd3f055fe45ead6941738a78f871007578c5986178f904ec22b910cb6dc`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2351 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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