Office (OLE) / .XLS malware analysis — malicious · 6c01721c4512a1df

MALICIOUS

Office (OLE) / .XLS

416.5 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-02-07

MD5: 492d9f36071a7249c5b82ba93356eda0 SHA-1: 7c97b06934014541554341c240fc5aed01a82925 SHA-256: 6c01721c4512a1df4945773cce7cf307df51ef073bda52aa3600983e9227bd9b

70 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1059.005 PowerShell

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which attempts to download a remote document from the provided URL. The VBA macro source is present but contains no executable statements, suggesting the exploit is triggered by the OLE object itself rather than macro execution. The extracted URL is the primary indicator of compromise.

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 http://dgdfgh000000fjfghfg0000000hfghgfhfgh00000000fgsdgfggdfgdfge00000rtdfgdfgd000000000fg@212.193.30.4/99.doc
- http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 2

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
`ole10native_00.bin` `0e74f03b42dbfb73650ae77db35efc03f254670fe5c220fbf54bacb45cb41486`	ole-package	OLE Ole10Native stream: MBD014098D2/Ole10Native	50530 bytes

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