Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 094a02861ad8adb9…

MALICIOUS

Office (OLE)

41.5 KB Created: 2007-08-13 03:30:00 Authoring application: Microsoft Word 11.2
MD5: 2ad6ef6efb6fc095b09b95a5debde897 SHA-1: 3da84542aa14b61a5d44ee68a539787659b2f0a6 SHA-256: 094a02861ad8adb9c6e992e3ff141d94eff837fa07cb29cdd7ad01ae4541a789
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is identified as malicious by ClamAV with the signature 'Doc.Trojan.Thus-8'. It contains a VBA macro that is triggered by the 'Document_Open' event. This macro appears to be designed to download and execute a secondary payload, a common technique for malware delivery.

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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