Office (OLE) / .XLS malware analysis — malicious · 2b7f6726cc9d516b

MALICIOUS

Office (OLE) / .XLS

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

MD5: 32853d427d7dfd13855a08777fae1755 SHA-1: 66e917f1ff5ab2b51adaead1794812fcd6da4a90 SHA-256: 2b7f6726cc9d516baccd001633c41d67fe4c908e6f64787b7721b40920f410f1

110 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The critical heuristic firing for CVE_2017_0199 indicates the exploitation of a known vulnerability to load remote content. The embedded URL 'https://jamp.to/HeVsux' is highly suspicious and likely serves as the initial download point for a malicious payload. Although no VBA macros were found to be executable, the presence of an embedded PDF with URI findings suggests a multi-stage attack. The document body itself contains structural elements of an OLE object and a PDF, but no user-readable content that would indicate a specific lure.

Heuristics 5

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.
Secondary embedded PDF body has suspicious static findings high POLYGLOT_CHILD_PDF_STATIC_TRIAGE

A valid PDF body was found at a nonzero offset inside another container and its carved contents matched PDF exploit or lure heuristics. This catches polyglots where the top-level magic routes to ZIP/OLE while a PDF reader or downstream parser opens the hidden PDF payload.
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.
External URI info PDF_URI

PDF contains an external URL action
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://jamp.to/HeVsux\{g�9��&�ٍY��
- https://www.business.hsbc.com.hk/en-gb/resource-centre/commercial-tariffs
- https://www.online-banking.business.hsbc.com.hk/portalserver/hsbc/dbbpage/commercial/online/timetable/cutoff

Extracted artifacts 4

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
`font_00_sfnt_off00007926.bin` `9a85db95c587691a5874b31b664b687edfec6192fc00b1fd6cbfbbe56ee0e2a8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7926	13936 bytes
`font_01_sfnt_off00009fa1.bin` `3c119924dbdaf638dde5d0098e911912b53026a6636c8a487543986d08e96bb1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FA1	13556 bytes
`polyglot_child_pdf_off00000e00.pdf` `afe2043a025998eab394e866ec3ff570417eb82a1ff9eb46bc660f41183fd5a7`	polyglot-child-pdf	Secondary PDF body inside ole container at offset 0xE00	286208 bytes

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