Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 6c53827361768c81…

MALICIOUS

Office (OLE)

40.5 KB Created: 2001-12-27 21:32:00 Authoring application: Microsoft Word 10.0
MD5: cdfe8571322de5c7c54a6a85cd7c6d31 SHA-1: 970de4870726b4a604454ca3b3cb30364ec33872 SHA-256: 6c53827361768c81a45fe414c6ab38c0d1a119d65cbd5776db60c1ce6e66e68d
180 Risk Score

Malware Insights

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

The sample is a Microsoft Word document containing VBA macros, specifically an AutoOpen macro designed to infect the Normal.dot template and any subsequently opened documents. The document body presents a plausible lure for a municipal job application to encourage macro execution. The ClamAV detection further confirms its malicious nature as Doc.Trojan.Model-2.

Heuristics 4

  • ClamAV: Doc.Trojan.Model-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Model-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.
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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
ac4aa2fefd295e36a2e231841f94e1bc94eae898f2c0e05cfbb470652ecc3447		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1450 bytes
Detection
ClamAV: Doc.Trojan.Model-2
Obfuscation or payload: unlikely

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