Office (OLE) / .XLSX malware analysis — malicious · c783f5d67276c1d6

MALICIOUS

Office (OLE) / .XLSX

1.27 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel

MD5: 7727da391fb661d31687261719ae25aa SHA-1: 219f350eca2d64420c503c466a72d2ea12c93afd SHA-256: c783f5d67276c1d6d58cbff4e9e004270a3a23fc492cc7d20152d2ce3e472d40

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.005 Visual Basic

The critical heuristic firing for CVE_2017_0199 indicates that the OLE object attempts to load a remote resource via a URL moniker. The embedded URL, https://minily.org/kTzrl6xK6t?&Rr�;��2�Rr�;��2�Rr�;��2�Rr�;��2�Rr�;��CONTENTS��g�Package��, is the primary indicator of compromise. This exploit is commonly used to download and execute a second-stage payload, likely leading to further system 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 https://minily.org/kTzrl6xK6t?&Rr�;��2�Rr�;��2�Rr�;��2�Rr�;��2�Rr�;��2�Rr�;��CONTENTS��g�Package��

Extracted artifacts 5

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_off00000fdf.bin` `4cddfeeaf9b4cc27957fe9f97fe02095f60ed6dfd86b2ac5d1677f98eb0259c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFDF	13368 bytes
`font_01_sfnt_off00003792.bin` `d5074e2d68debede1b9bad2f95ae7f1dea96b6ca3159719d1ab379d8a4401ae2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3792	12456 bytes
`font_02_sfnt_off00005e03.bin` `0c44dc26cd1012a12975232cd7787057c8d144ffce8ae0beaebb9601e95f86e5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E03	33696 bytes
`font_03_sfnt_off0000b0ff.bin` `dda2c95b47916438780f4ad3b9e499b20eec3a59d5f62587f28a5657bc7c3aba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB0FF	6408 bytes

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