Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 992c36da8eee3d0c…

MALICIOUS

Office (OLE)

86.0 KB Created: 2007-06-27 12:15:00 Authoring application: Microsoft Word 11.2
MD5: 4c5af23f877997fa57b7a371b1899fb6 SHA-1: c798f1ccf3909e89835938ce16f11b229146a6b6 SHA-256: 992c36da8eee3d0cc91f9ad270971c8d02e1e867dda7226dcbb6a4b87d9bdddd
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'. It contains VBA macros, specifically a 'Document_Open' macro, which is a common technique for executing malicious code upon opening the document. The document body presents information on Italian property categories, likely a lure to trick users into enabling macros. The presence of the 'Document_Open' macro suggests an attempt to download and execute a second-stage 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.

FilenameKindSourceSize
macros.bas
26931056217cda351f96f38ec840e8587c28338c60955ee0acc21d6bba6aecbc		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2343 bytes
Detection
ClamAV: Doc.Trojan.Thus-8
Obfuscation or payload: unlikely

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