Office (OLE) malware analysis — malicious · cd605388643ff1d4

MALICIOUS

Office (OLE)

170.0 KB Created: 2010-04-16 09:58:00 Authoring application: Microsoft Word 9.0

MD5: 6707753c6dc4b0277d23e50aed828e09 SHA-1: f1ccc11b129207478539b5a8b185f8d04b8ee394 SHA-256: cd605388643ff1d4088d9129fca20b3163a4c1e6806156b7e95d8728bb181ef5

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The file contains a VBA macro, specifically a Document_Open macro, which is a common technique for executing malicious code upon opening a document. The document body presents a survey about mobile phone purchases, suggesting a social engineering lure. While no specific payload or network indicators were extracted, the presence of the macro and the survey content strongly indicate an attempt to engage the user in a deceptive activity. The ClamAV detection as 'Doc.Trojan.Xaler-1' further supports the malicious nature of the file.

Heuristics 5

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
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` `bd7ad196de6d3242ba12dfddb0c0c7e738db9800c00c435468a917520cc5c582`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	68301 bytes
Detection ClamAV: Doc.Trojan.Xaler-1 Obfuscation or payload: likely Carved artifact contains 10 Chr/ChrW string-construction calls.

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