Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 9a3ed881a743c4df…

MALICIOUS

Office (OLE)

151.5 KB Created: 2006-04-06 16:19:00 Authoring application: Microsoft Word 9.0
MD5: d786cc67932e92412daa5582bca29668 SHA-1: 6658a54287db568ac54ee5e55abda37a1bb59752 SHA-256: 9a3ed881a743c4dffad91f21b53ed3b60c584531bfea6db05b0bc6c100eacd6d
180 Risk Score

Malware Insights

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

The document contains a VBA macro that is triggered by the Document_Open event, indicating a malicious intent to execute code upon opening. The macro attempts to disable security features and manipulate the application's command bars. The presence of ClamAV detections 'Doc.Trojan.Flop-2' and 'Doc.Trojan.Flop-1' further confirms its malicious nature, suggesting it's a known trojan.

Heuristics 4

  • ClamAV: Doc.Trojan.Flop-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Flop-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
d8738bd3e560614f86decef860853a0f37aae8740e5d00df2c1b6277b9b6d045		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2986 bytes
Detection
ClamAV: Doc.Trojan.Flop-1
Obfuscation or payload: unlikely

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