Office (OLE) / .PPT malware analysis — malicious · 99b84223a505faa4

MALICIOUS

Office (OLE) / .PPT

78.0 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint

MD5: 4b485ae386bfa68a2eeac2dc35bda606 SHA-1: 8086ec71e34fd18a1a8e3e20721bc466caf3cda4 SHA-256: 99b84223a505faa4dcd483e6e925dddfe5a890b41aa92b5e4ef5239a26036075

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1218.005 Mshta

The presence of a critical OLE_VBA_SHELL heuristic firing, alongside references to mshta.exe and an Auto_Close macro, indicates that this PowerPoint file is designed to execute arbitrary code. The Auto_Close macro likely triggers the Shell() call, which in turn executes mshta.exe. This is a common technique for downloading and executing further malicious content. No specific family could be identified from the available evidence.

Heuristics 5

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
Reference to mshta.exe high SC_STR_MSHTA

Reference to mshta.exe
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` `85b00132dd7953ac7dbeec9c95509fe324dd9395de60820870a31ed86df86d51`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	674 bytes

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