Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2f3e6b218e3c4d0c…

MALICIOUS

Office (OLE)

38.0 KB Created: 2000-11-16 06:04:00 Authoring application: Microsoft Word 8.0
MD5: ab07b3d7d8238ebef365bfac56d23be3 SHA-1: 9798fd9d9ccac7003cd33877c47ce79e5199b0be SHA-256: 2f3e6b218e3c4d0cd170e53b4a40a9ec426378a28b5a0a43400406849de32321
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 multiple signatures, including Win.Trojan.Pivis-2 and Doc.Trojan.Ethan-3. The presence of a Document_Open VBA macro indicates an attempt to automatically execute malicious code upon opening the document. This macro is likely responsible for downloading and executing a secondary payload, a common technique for initial access.

Heuristics 4

  • ClamAV: Win.Trojan.Pivis-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Pivis-2
  • 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
ec88b48d2db26699b5d2d2e1984f5c91b3996a6084306cd3e1347401bd38fe63		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7858 bytes
Detection
ClamAV: Doc.Trojan.Ethan-3
Obfuscation or payload: unlikely

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