Office (OLE) malware analysis — malicious · 46cbccf526d283af

MALICIOUS

Office (OLE)

228.0 KB Created: 2010-05-14 07:08:00 Authoring application: Microsoft Office Word

MD5: 112fe0c96034abcb31e77b87f368de88 SHA-1: 10102b9eae46d1b117e0f211d1a90809520a45bf SHA-256: 46cbccf526d283afae051773d917c0ad866770a1fc6d49e4ea099af335c310a1

260 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Xaler-1. Static analysis detected VBA macros, including AutoOpen and Document_Open, indicating an attempt to execute malicious code upon opening the document. The document body, presented as a statistical report, serves as a lure for the user to interact with the malicious content.

Heuristics 6

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.
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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` `598ec5a88c09830f3c7e2faa8ee0ac1b686fe896506719e9110a2b8f8a8e599f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	254846 bytes
Detection ClamAV: Doc.Trojan.Xaler-1 Obfuscation or payload: likely Carved artifact contains 10 Chr/ChrW string-construction calls.

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