Office (OLE) / .DOC malware analysis — malicious · 8f180efd69f361e4

MALICIOUS

Office (OLE) / .DOC

56.5 KB Created: 2010-02-10 01:26:00 Authoring application: Microsoft Word 11.5.5

MD5: ba1e052d203550bfc5e842960ef21013 SHA-1: 18613c6fbfd7842fd82c428fb6deb4351d97c007 SHA-256: 8f180efd69f361e44771c00d5f8635e8a4b67989f5b86dec4cf953033ec02808

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file is a Microsoft Word document containing a malicious VBA macro, as indicated by the OLE_VBA_MACROS and OLE_VBA_DOCOPEN heuristics. The ClamAV detection (Doc.Trojan.Thus-8) confirms its malicious nature. The macro is likely designed to execute a second-stage payload, although the specific actions are not detailed in the provided evidence. No external IOCs were extracted.

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` `8112eaf30248369ca3ff4ed2c5cb980fa4bf6adccab86df4411dc34ae79507f7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2401 bytes
Detection ClamAV: Doc.Trojan.Thus-8 Obfuscation or payload: unlikely

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