Office (OLE) / .PPT malware analysis — malicious · da1a75506f3888b7

MALICIOUS

Office (OLE) / .PPT

11.5 KB Created: 2020-04-13 16:04:54 Authoring application: Microsoft Office PowerPoint

MD5: 7f26a9a90cc3e9ced881acd918e6f3ab SHA-1: d421cf5bcc5c43fb76cfb869040a06227eb7fb5e SHA-256: da1a75506f3888b77e4c90334ff19cac255ed55d6b1fdadb4b285536f8c57d34

160 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The file is a PowerPoint presentation containing VBA macros. A critical heuristic firing indicates the use of the Shell() function within a VBA macro, specifically within an Auto_Close procedure. This suggests the macro is designed to execute arbitrary commands upon closing the presentation, 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` `d97656063037173d857c88804b3005476a96ad98febc317a99ce9f7f53591631`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	167 bytes

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