Office (OLE) / .XLS malware analysis — malicious · 9cfb14230cefcbf8

MALICIOUS

Office (OLE) / .XLS

580.0 KB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel First seen: 2023-01-16

MD5: ce8c1d5d6dad09d3597475e241bbd995 SHA-1: 7d0759c8cf28a53493a0f3cd60ecafb02b38b0ab SHA-256: 9cfb14230cefcbf8a56895a5c968bdb3b7bef42c64d7899635ad605d4e130021

70 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which attempts to load a remote resource. The embedded URL, http://000000000000000000000000000000000000000000@192.3.118.141/_--00_o______---00o--o_o0-__________o0o-__________/jgjdfgjdfjghjfdggsahfhfghf.doc, is the likely source of the secondary payload. Although the VBA project itself contains no executable statements, the OLE structure is designed to trigger the exploit.

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://000000000000000000000000000000000000000000@192.3.118.141/_--00_o______---00o--o_o0-__________o0o-__________/jgjdfgjdfjghjfdggsahfhfghf.doc

Extracted artifacts 3

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` `18d367fb2691c250888963414e1f0f0f34a85093ea78ded4022d3b67fd43d3d2`	ole-package	OLE Ole10Native stream: MBD01771F88/Ole10Native	61938 bytes
`ole10native_01.bin` `0e74f03b42dbfb73650ae77db35efc03f254670fe5c220fbf54bacb45cb41486`	ole-package	OLE Ole10Native stream: MBD01771F89/Ole10Native	50530 bytes

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