Office (OLE) / .DOC malware analysis — malicious · 8b510b2fde7e0d9c

MALICIOUS

Office (OLE) / .DOC

57.5 KB Created: 2008-07-27 23:54:00 Authoring application: Microsoft Word 11.3.5

MD5: 7f76f2a2e5d5ee1eda4c50312c813125 SHA-1: 0c175ba659106e7f9289c5484cbc31d331ed97e3 SHA-256: 8b510b2fde7e0d9c2cbead922c042f2b110c107085e587cc534320fa85e9d9ed

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic

The file is a Microsoft Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. ClamAV detections indicate it is a known trojan. The document body presents itself as an administrative form, suggesting a social engineering lure to encourage macro execution. No specific scripts were extracted for further analysis, but the presence of macros and the ClamAV detections strongly suggest a malicious intent to download and execute a secondary payload.

Heuristics 4

ClamAV: Win.Trojan.Psycho-3 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Psycho-3
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` `2edcb19ab67909353cab7e9c1a6fa50379e25746584573e329d4e427a93d71d2`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	3955 bytes
Detection ClamAV: Doc.Trojan.Thus-10 Obfuscation or payload: unlikely

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