Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 3a723e4e9fc3c267…

MALICIOUS

Office (OLE) / .XLS

1.43 MB Created: 2006-09-16 00:00:00 Authoring application: Microsoft Excel
MD5: fc56193419419a1cb01756898d6ea790 SHA-1: 9b45ec69dcdca9e0b938c75cd58e4709e8b0bfed SHA-256: 3a723e4e9fc3c2670f5069d855127f04324966db8c843f0001c7f423442a06f6
88 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.002 Phishing: Spearphishing Attachment T1059.005 Command and Scripting Interpreter: Visual Basic

The critical heuristic firing indicates exploitation of CVE-2017-0199 via an OLE2Link object, which attempts to download a remote payload from the URL 'https://bestgivenpromissesforentiretimewithgreatopporunitieswithniceskillshehave.business@wedew.link/HCwA0g'. Although the VBA project contains no executable statements, the presence of the OLE vulnerability strongly suggests a malicious intent to compromise the user's system.

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.
    URL https://bestgivenpromissesforentiretimewithgreatopporunitieswithniceskillshehave.business@wedew.link/HCwA0g
  • NOP-equivalent sled detected medium SC_NOP_EQUIV_SLED
    Long run of 0x61 bytes
  • 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7f506327609c082af1cd37dde23bc2c71a000f7d1ef530b6abb66775040a7673		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1206 bytes

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