Office (OLE) / .DOC malware analysis — malicious · d62980b81a2f3871

MALICIOUS

Office (OLE) / .DOC

40.0 KB Created: 2005-09-06 18:42:00 Authoring application: Microsoft Word 10.1

MD5: e9edba65b84d2ef4442eed6f845b9920 SHA-1: 2b83751b5f95dba8e3794a1fb80bb0d8b0eb2fbb SHA-256: d62980b81a2f3871ddaf287d7f463b90eef2c11c5e801060b13a4493f17625d8

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The file is a Microsoft Word document containing VBA macros. The presence of the Shell() function within the VBA code strongly suggests that the macro is designed to execute external commands, likely to download and run a secondary malicious payload. ClamAV detections further confirm its malicious nature. The document body content appears to be legitimate scientific text, suggesting a lure or decoy.

Heuristics 5

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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `48d5e9abf98b85f9359965cbc0bf6f8a53f2e80561e95df95a42a07a19694d20`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	5662 bytes
Detection ClamAV: Doc.Trojan.Marker-3 Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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