Office (OLE) malware analysis — malicious · e7996f900aacc367

MALICIOUS

Office (OLE)

15.5 KB Created: 2003-07-13 09:57:11 Authoring application: Microsoft Excel

MD5: cb466ba674611b6b21ad130f23006ccb SHA-1: e11e1bead0571a180060b2aec0e2abffe7fffc2d SHA-256: e7996f900aacc367dd13aa19c097b514c3be1b1fb499dee5f2ba1391c4d28ada

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is an Office OLE document containing VBA macros, specifically an Auto_Open macro, which is a common technique for initial execution. ClamAV detections indicate it is a known malicious variant. While the document body states it is an 'Antivirus Bait file', the presence of macros and high-severity heuristics strongly suggest malicious intent for initial compromise.

Heuristics 4

ClamAV: Xls.Trojan.Escape-2 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Xls.Trojan.Escape-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.
Auto_Open macro high OLE_VBA_AUTO

Auto_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.

Filename	Kind	Source	Size
`macros.bas` `b1dc6e799f600e1fe03c12ee5c927d9c20e72385747b65f9e697c96da1cbf849`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1767 bytes
Detection ClamAV: Xls.Trojan.Escape-1 Obfuscation or payload: unlikely

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