Office (OOXML) / .OLE malware analysis — malicious · 7ace9d0f9f906f3b

MALICIOUS

Office (OOXML) / .OLE

88.8 KB Created: 2020-10-14 08:45:00 UTC Authoring application: Microsoft Office Word 16.0000

MD5: 14163d360f6994cac7aaa950cc3cab02 SHA-1: ad7410b842b26fe84ca32d231acadcff9870e8ea SHA-256: 7ace9d0f9f906f3b9151077698b386065e4e093418c7ba136c2aa4b91790f2b9

222 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros. The AutoOpen macro executes a Shell() command, indicating it is designed to download and run a secondary payload. ClamAV also detected it as a dropper. The specific payload and delivery mechanism are not detailed in the provided evidence, leading to an unknown family classification.

Heuristics 6

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
ClamAV: Doc.Dropper.Generic-9823779-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Generic-9823779-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
VBA project inside OOXML medium OOXML_VBA

Document contains a VBA project — VBA macros present
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://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.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/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.

Filename	Kind	Source	Size
`macros.bas` `ebbc85fc97e04264ddb239f6aa424ea7f1cc3b2e3c859929ddba106646618135`	vba-macro	oletools.olevba.extract_macros (decoded VBA source from OOXML)	6147 bytes
`vbaProject_00.bin` `6a3348b206f845c0ec0308a978b059c466ed540714a5ce1c9a138afcba263ec3`	vba-project	OOXML VBA project: word/vbaProject.bin	35328 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.