Office (OLE) malware analysis — malicious · 9723d2a3e905958c

MALICIOUS

Office (OLE)

59.0 KB Created: 2008-10-18 02:42:00 Authoring application: Microsoft Word 10.1

MD5: 05d043d64d9f0802360f47aad804003e SHA-1: 71676717efed93e7dfe239a0f6291ed471d8bfab SHA-256: 9723d2a3e905958c2575298988aeb4dd3146c6f48eeea0ab47f2adff1cd1c5b2

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, indicating a likely attempt to execute code upon opening the document. The presence of VBA macros and the ClamAV detection strongly suggest this file is a malicious document designed to deliver a secondary 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` `6ab2261a029f9d9ab697f4c911d4e2e374176c8c995f3ac03e77ca0914d56344`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2383 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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