Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 8ece1b566ef45d90…

MALICIOUS

Office (OLE)

41.5 KB Created: 2002-02-14 00:59:00 Authoring application: Microsoft Word 9.0
MD5: 4a46e997bf9274c0b3e70771d58f7a58 SHA-1: 1484e33608536e43d07b3d3118b262419b7a017e SHA-256: 8ece1b566ef45d909390e20f0e85545403ceae9c74e11cbe1617164c1b5b8756
240 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The file contains VBA macros that utilize the Shell() function, indicating an attempt to execute external commands. The document body impersonates a FASEB conference application to trick users into providing personal details. The presence of embedded URLs and a VBA macro file further supports a malicious intent, likely for phishing or information harvesting.

Heuristics 6

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Trojan.Marker-31 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-31
  • 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.faseb.org/meetings/src
    • http://www.faseb.org/meetings/srcThe

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
b69cabeb864307d3cd5153d0833990e96afd9dbf0f35851aad43931a2b2f21a4		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 5346 bytes
Detection
ClamAV: Doc.Trojan.Marker-1
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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