Office (OLE) / .PPT malware analysis — malicious · 44f6b8bedab65c66

MALICIOUS

Office (OLE) / .PPT

60.0 KB Created: 2020-05-06 16:28:54 Authoring application: Microsoft Office PowerPoint

MD5: b64788b43a7758df7c9d12c8577672e5 SHA-1: ae37e21134c718f5287831b9ada94c92068f2d04 SHA-256: 44f6b8bedab65c66276ba567210a55cefc5fcd3017fd8e7d04b89abce4725505

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The file is a PowerPoint document containing VBA macros. A critical heuristic firing indicates the use of the Shell() function within a VBA macro, specifically within the Auto_Close macro. This suggests the macro is designed to execute arbitrary commands upon closing the document, likely to download and execute a secondary payload. No specific family could be identified, and no external IOCs were extracted.

Heuristics 4

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
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` `94d14d238d9acd4405913442bd015a3e70ea1d7e4f6d12833d334f4581c4460d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	504 bytes

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