Office (OLE) malware analysis — malicious · 412b184f387da862

MALICIOUS

Office (OLE)

57.5 KB Created: 2002-02-14 01:11:00 Authoring application: Microsoft Word 9.0

MD5: 35b604956560603bdf721b96e2e1b04f SHA-1: c653fe12341fca18cfd5ebfb3141e2f91c8ec4c8 SHA-256: 412b184f387da8625e5a8b6a5a806f1cf96b14273a6b123be39a8b19d0bbfb1c

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The file is an OLE document containing VBA macros, as indicated by the 'OLE_VBA_MACROS' heuristic. The 'OLE_VBA_SHELL' heuristic firing suggests that the VBA code attempts to execute external commands. The presence of 'macros.bas' as an extracted artifact further supports the macro-based execution. The document body, while appearing to be an application form, is likely a lure to encourage the user to enable macros. The ClamAV detections ('Doc.Trojan.Marker-31' and 'Doc.Trojan.Marker-1') confirm the malicious nature of the file.

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.ed.gov/offices/OCR/minorityinst.html

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`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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