Doc.Downloader.Loda — Office (OOXML) malware analysis

Static analysis result for SHA-256 a494c38f1a797744…

MALICIOUS

Office (OOXML)

10.5 KB Created: 2018-09-16 12:26:00 UTC Authoring application: Microsoft Office Word 15.0000 First seen: 2019-05-16
MD5: 0204d98af42e7fabfeb8806372ce8a1e SHA-1: 57d5be5cb9259ede8a0a826ff838d2aba06a1d79 SHA-256: a494c38f1a79774407b5b9fd6ef5f7c267f3a3671b2ae620bb5e7ea997a6d2f3
142 Risk Score

Malware Insights

Doc.Downloader.Loda · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample was identified as malicious by ClamAV with the signature Doc.Downloader.Loda-7570590-0. Heuristics indicate the use of remote template injection and external relationships, pointing to the URL http://charlescuthbertson.com/main/cloud/mswc.doc as the source of a secondary payload. This suggests the document is designed to lure the user into downloading and executing malware.

Heuristics 4

  • ClamAV: Doc.Downloader.Loda-7570590-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Loda-7570590-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://charlescuthbertson.com/main/cloud/mswc.doc) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship high OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: http://charlescuthbertson.com/main/cloud/mswc.doc
  • 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://charlescuthbertson.com/main/cloud/mswc.doc Remote template reference
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvasIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2012/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroupIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShapeIn document text (OOXML body / shared strings)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
emf_00.emf ooxml-emf OOXML EMF part: docProps/thumbnail.emf 2064 bytes
SHA-256: ad25243c2095ed77d6331753a0c4b33fdb874555a7c628cbb8ef2802ea6b151b

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