Malicious Office (OOXML) — malware analysis report

Static analysis result for SHA-256 7fbbb488d6ee8d5e…

MALICIOUS

Office (OOXML)

295.8 KB Created: 2020-12-29 09:46:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2021-10-14
MD5: fa4f7f53033c2504748be4da7ec91a46 SHA-1: e4163f75168b08d73b917d62cd6d4e4e6116537b SHA-256: 7fbbb488d6ee8d5e49eea7e7a72c91c16616d26338013598c947b25634a3b349
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample utilizes OOXML remote template injection and external relationships to fetch content from a suspicious URL. This indicates an attempt to download and execute a second-stage payload, likely for malicious purposes. The presence of these indicators strongly suggests a spearphishing attachment attack vector.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://amazonpmnt.com/FVOJp1PBtZ6WrOLHVS6Vq51ZLyLGTTQAAACIJ/9etesxFsHSl9moe7PssUYoZFDZfyhA1FwKNJ+mRuCNlqKFQplGoZrD12HwgpSpNtQk) — 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 medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: http://amazonpmnt.com/FVOJp1PBtZ6WrOLHVS6Vq51ZLyLGTTQAAACIJ/9etesxFsHSl9moe7PssUYoZFDZfyhA1FwKNJ+mRuCNlqKFQplGoZrD12Hwgp
  • 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://amazonpmnt.com/FVOJp1PBtZ6WrOLHVS6Vq51ZLyLGTTQAAACIJ/9etesxFsHSl9moe7PssUYoZFDZfyhA1FwKNJ+mRuCNlqKFQplGoZrD12HwgpSpNtQk Remote template reference
    • http://amazonpmnt.com/FVOJp1PBtZ6WrOLHVS6Vq51ZLyLGTTQAAACIJ/9etesxFsHSl9moe7PssUYoZFDZfyhA1FwKNJ+mRuCNlqKFQplGoZrD12HwgpRemote template reference
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvasIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2014/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartexIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartexIn document text (OOXML body / shared strings)
    • http://schemas.openxmlformats.org/markup-compatibility/2006In document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2016/inkIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/drawing/2017/model3dIn 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/2016/wordml/cidIn document text (OOXML body / shared strings)
    • http://schemas.microsoft.com/office/word/2015/wordml/symexIn 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)

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