Office (OLE) / .XLS malware analysis — malicious · 076af1a0b6f822ab

MALICIOUS

Office (OLE) / .XLS

165.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: 604e23c5e33b5d7f57aea790fc1051b0 SHA-1: dce96ba487ca2da8c0e40052d0dcfee0312fc11a SHA-256: 076af1a0b6f822abcbe89074f536d340e1874f9bce333ab422102f5bb0f188f4

70 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The critical heuristic firing indicates exploitation of CVE-2017-0199, which is used to download and execute a remote loader. The embedded URL, https://ir.cx/VHehk, is the likely source of this payload. Although VBA macros were present, they contained no executable statements, suggesting the exploit is leveraged directly.

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.
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.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL https://ir.cx/VHehk

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1206 bytes

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