Office (OLE) / .PPT malware analysis — malicious · 266d405f7f492432

MALICIOUS

Office (OLE) / .PPT

79.0 KB Created: 2020-09-24 21:54:19 Authoring application: Microsoft Office PowerPoint

MD5: cad0bdcefacd46757afcfb3b9ed3fb41 SHA-1: 4812b1a36169c052cae238640efdc13c6e40d736 SHA-256: 266d405f7f492432650f8d872086039f32e96909e3f9494ce014915555443acb

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a PowerPoint file containing VBA macros. The critical heuristic 'OLE_VBA_SHELL' indicates the presence of a Shell() call within the VBA code, which is commonly used to execute arbitrary commands. The 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristic further suggests that an auto-execution routine within the VBA p-code is configured to execute these commands. The 'Auto_Close' macro firing indicates that this malicious code is likely triggered when the document is closed. No specific IOCs like URLs or hashes were extracted, but the presence of these critical heuristics strongly suggests malicious intent.

Heuristics 5

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
ClamAV: Doc.Malware.W2000m-9775797-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.W2000m-9775797-0
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close 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 macros detected medium OLE_VBA_MACROS

Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `97e8fa4d49818efdc82e66782bda0c1b922486d1cbafe0114d41512c8d113ada`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2470 bytes

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