Office (OLE) / .XLSX malware analysis — malicious · f1abf54ecdb9fc26

MALICIOUS

Office (OLE) / .XLSX

20.0 KB Created: 1999-01-24 21:25:59 Authoring application: Microsoft Excel

MD5: 2a3e0f7c1e7524d09f25a2dc452e62d0 SHA-1: 637641768611e636f1f899282b119527968e36bf SHA-256: f1abf54ecdb9fc26ded9c02f70ee2faad5384af16adb705a45fce376db91bbd0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, as indicated by the OLE_VBA_MACROS heuristic. The critical ClamAV detection and high severity OLE_VBA_GETOBJ heuristic further confirm its malicious nature. The VBA script appears to be designed to download and execute a second-stage payload, although the specific download URL or execution method is obfuscated within the script. The copyright notice suggests a potential origin or naming convention.

Heuristics 3

ClamAV: Doc.Trojan.18th-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.18th-1
GetObject call high OLE_VBA_GETOBJ

GetObject call
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` `e6350ffad01c3b438eec7f6d4253df63442d16b54869592e071dd25daac0e1ab`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1890 bytes

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