Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 a0d2136f8ebc7aab…

MALICIOUS

Office (OLE)

44.0 KB Created: 2009-05-25 13:57:00 Authoring application: Microsoft Word 11.2
MD5: 1506b311dc22550747a2e6ba4c18255d SHA-1: e7d860be6db648817a8236fcd94e4dd1909d1c7f SHA-256: a0d2136f8ebc7aabff0a5432fb29ad59e2741dafe191b947871c68bb5485c4f0
180 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic for Applications T1204.002 Malicious File

The file is an OLE document containing VBA macros, specifically a Document_Open macro, which is a common technique for initial execution. The document body presents a job description to trick the user into enabling macros. The presence of a Document_Open macro strongly suggests the intent to execute malicious code upon opening the document, likely to download a second-stage payload.

Heuristics 4

  • ClamAV: Doc.Trojan.Marker-2 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Marker-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
fbee58c94b9d077218cad7a9ad75b4ec96f9aab122615a16e4163cbf0baae6ff		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 4262 bytes
Detection
ClamAV: Doc.Trojan.Marker-2
Obfuscation or payload: unlikely

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