Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 96c7d2d544dcf818…

MALICIOUS

Office (OLE)

53.0 KB Created: 2008-01-22 18:48:00 Authoring application: Microsoft Office Word
MD5: ea92c06182cc3bfc5e615c98c1b342ca SHA-1: 90ea2287f466baea0c1d4bf783a0cb9ce1854f0a SHA-256: 96c7d2d544dcf818c05ed7c694b1ec21770b5622d9e2466e36a3b53fdde8acf9
180 Risk Score

Malware Insights

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

The file contains VBA macros, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening a document. The ClamAV detection as 'Doc.Trojan.Xaler-1' strongly indicates malicious intent. The document body, presented as a government procurement announcement, serves as a lure to trick users into enabling macros. The Document_Open macro likely initiates the execution of a secondary payload.

Heuristics 4

  • ClamAV: Doc.Trojan.Xaler-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Xaler-1
  • 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
692000e605d48558c7d2e580382ede8ead41b4e75b0888b4ebc82db144f07dc7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 10932 bytes
Detection
ClamAV: Doc.Trojan.Xaler-1
Obfuscation or payload: unlikely

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