Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 9c273f50bdc5714b…

MALICIOUS

Office (OLE)

71.5 KB Created: 1970-01-01 01:55:00 Authoring application: Microsoft Word 11.2
MD5: 1dc0eec89339926c05a5f18536590a82 SHA-1: 3992818e5b85986f1527729613f8a543eeeecf66 SHA-256: 9c273f50bdc5714bb00bee54a34b8dcd95e8471fd2c2c0904b51be9d495506ee
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic

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 that the document is designed to execute code upon opening. The document body text describes a scheme where donations to a school are promised to be offset by tax credits, a common lure for phishing or financial scams. No specific malware family could be confidently identified.

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.

FilenameKindSourceSize
macros.bas
e200816a962350a1dbb90d8f7c35a6b6051b062b84232e939c1730be5c61c134		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2353 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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