Malicious Office (OOXML) / .DOC — malware analysis report

Static analysis result for SHA-256 ed7cdbd19203a59a…

MALICIOUS

Office (OOXML) / .DOC

165.2 KB Created: 2022-06-08 06:48:00 UTC Authoring application: Microsoft Office Word 16.0000 First seen: 2022-06-09
MD5: 5b99472a6d27e0adeeb091a5d7bb450d SHA-1: d1836c862f72fd5e8aa117a1809bc6fe8e489e44 SHA-256: ed7cdbd19203a59aed242d385ff2f6be5f6634069999fe614c6c87ad35d41753
182 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking T1204.002 Malicious File

The file exhibits critical heuristic firings for embedded OLE objects and external relationships, with ClamAV identifying it as malware (Xls.Malware.Valyria-10002968-0). The external relationship points to a local file path that likely serves as a template or lure for malicious content. The presence of an embedded OLE object further suggests an attempt to execute or load additional malicious components. The overall pattern indicates a downloader or dropper mechanism.

Heuristics 5

  • ClamAV: Xls.Malware.Valyria-10002968-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Xls.Malware.Valyria-10002968-0
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • External relationship high OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: file:///C:\Users\Profex\AppData\Local\Microsoft\Office\16.0\DTS\en-US{C4A2B132-8482-49BE-ABF6-61BF4311DF3C}\{00F06CAE-26
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • 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://www.asianexportglass.shop/p/3.html
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.microsoft.com/office/drawing/2015/10/21/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/9/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/10/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/11/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/12/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/13/chartex
    • http://schemas.microsoft.com/office/drawing/2016/5/14/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.microsoft.com/office/drawing/2016/ink
    • http://schemas.microsoft.com/office/drawing/2017/model3d
    • http://schemas.microsoft.com/office/2019/extlst
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2018/wordml/cex
    • http://schemas.microsoft.com/office/word/2016/wordml/cid
    • http://schemas.microsoft.com/office/word/2018/wordml
    • http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash
    • http://schemas.microsoft.com/office/word/2015/wordml/symex
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
156e904077c5433f030f5c739f4f826710fcf8040748ba71e772044075b7415e		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Excel_97-2003_Worksheet1.xls 27648 bytes
Detection
ClamAV: Xls.Malware.Valyria-10002968-0
Obfuscation or payload: unlikely
emf_00.emf
ec74c1ac1cdf6264c476a64da7a349acdaadbdea7d19cb054ce3684213b97dc7		 ooxml-emf OOXML EMF part: word/media/image2.emf 4156 bytes

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