Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2f7907ad39f856e9…

MALICIOUS

Office (OLE)

61.5 KB Created: 2002-08-20 12:00:00 Authoring application: Microsoft Word 11.5.3
MD5: da500821bbf487a87a0f013d24181e0b SHA-1: 63e11df2699e15e65d710dc9b4f8908f6599c51d SHA-256: 2f7907ad39f856e9b5f3b39c8beb20e9807445b1550ca6a87db4d5d2325ae4e2
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, which is a common technique for executing malicious code when the document is opened. The document body content appears to be unrelated to the malicious functionality, suggesting it serves as a lure.

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
9b0edb393c45901377e783c675f76091719e79356ea9b5b403443dd8cdd67f9f		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2371 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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