Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 fa481763c2cd0a3c…

MALICIOUS

Office (OLE)

51.0 KB Created: 2009-12-07 17:09:00 Authoring application: Microsoft Word 11.3.8
MD5: bf83e7efcca8ace17c5d0135a442089b SHA-1: 8ae104fb515e1420b40f5e3b264d3147d5cec587 SHA-256: fa481763c2cd0a3c0ee521174c9899ec85cae2a3644bb63789d28108a670b478
180 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV with multiple signatures, including 'Win.Trojan.Psycho-3' and 'Doc.Trojan.Thus-10'. The presence of a 'Document_Open' macro indicates that malicious code is likely executed upon opening the document. The document body presents a plausible essay assignment to encourage user engagement and potentially macro enablement, serving as a lure for the malicious payload.

Heuristics 4

  • ClamAV: Win.Trojan.Psycho-3 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Psycho-3
  • 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
1abac7e807df39953f43bd5a6f347b4691da64eb6e15ba55d5768c6050c150e9		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4412 bytes
Detection
ClamAV: Doc.Trojan.Thus-10
Obfuscation or payload: unlikely

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