Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 48f043328bab2189…

MALICIOUS

Office (OLE) / .XLS

1.43 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: 30fba747a8c47dee347e46853b0d25d1 SHA-1: a28818c2c3aca7f650579dc2bb742ee37132862a SHA-256: 48f043328bab2189b14a6240db8add0f3ac19a6a6a5b6f0f05f08d971cec8ebd
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059 Command and Scripting Interpreter T1059.005 Command and Scripting Interpreter: Visual Basic

The critical heuristic firing for CVE-2017-0199 indicates that the sample uses OLE2Link and URL Moniker to load a remote resource. The embedded URL, 'https://goodthingswithbestthingswithgreatnessforhappinesentiretimewithmethrough.busienss@link.scogo.in/4YD4XD', is likely the source of the secondary payload. Although the VBA project contains no executable statements, the exploit itself is sufficient to classify the attack pattern.

Heuristics 3

  • OLE2Link / URL Moniker → remote loader — CVE-2017-0199 critical CVE likely CVE_2017_0199
    Document contains an embedded OLE link object whose URL Moniker points to a remote URL. When the host file is opened, Office follows the link, downloads the URL, and processes the response based on its Content-Type (HTA -> mshta.exe, RTF → Word, etc.) — the documented CVE-2017-0199 primitive. The URL extension is not a reliable filter; servers can return different payloads to Office's user agent.
    URL https://goodthingswithbestthingswithgreatnessforhappinesentiretimewithmethrough.busienss@link.scogo.in/4YD4XD
  • NOP-equivalent sled detected medium SC_NOP_EQUIV_SLED
    Long run of 0x61 bytes
  • VBA project contains no executable statements low OLE_VBA_MACROS
    Document contains a VBA project, but extracted modules only contain attributes/options/comments and no executable statements.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes

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