Office (OLE) / .PPT malware analysis — malicious · b345b73a72f866ac

MALICIOUS

Office (OLE) / .PPT

15.0 KB Created: 2020-05-08 01:02:01 Authoring application: Microsoft Office PowerPoint

MD5: eec80c5c7f0defbc3139dd03ae3b38aa SHA-1: 03f7e0089feb51ea507c2c8ba334cb944cf3a27e SHA-256: b345b73a72f866ac3bc2945467d2678ca4976dd4c51bd0f2cdb142a79f56210a

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample is a PowerPoint file containing VBA macros. The Auto_Close macro, along with CreateObject and Shell() calls, indicates that the macro is designed to execute arbitrary code upon opening or closing the document. This is a common technique for downloading and executing further malicious payloads. No specific family could be identified from the available heuristics.

Heuristics 5

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `4198682b8d978a103be5a47f4032b42f156595bbd12b4371510f537eadda941a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	471 bytes

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