Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 77bc9c74030760cd…

MALICIOUS

Office (OLE) / .DOC

69.0 KB Created: 2009-01-26 12:59:00 Authoring application: Microsoft Word 11.0
MD5: da385732c9236291857f78b68851c56c SHA-1: 7a0e1d61aff167b7e77bbbec43b87610fec98c48 SHA-256: 77bc9c74030760cd30550413805d79658a7fa604cc3e43d786f14a61037ac425
220 Risk Score

Malware Insights

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

The sample is a malicious Word document containing VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening. The document body presents a scholarship application lure, which is a known tactic for advance-fee scams. The VBA macro code is designed to execute and potentially download further payloads, as indicated by the heuristic firings and the presence of macro code.

Heuristics 5

  • ClamAV: Doc.Trojan.Marker-40 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-40
  • 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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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
4d840735f64370eed491ae174d4c3cebc63d105512970d4d44c50b8d8ee19f18
vba-macro oletools.olevba.extract_macros (decoded VBA source) 4261 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely