Office (OLE) / .PPT malware analysis — malicious · 55600c567efec144

MALICIOUS

Office (OLE) / .PPT

79.0 KB Created: 2020-09-22 19:08:10 Authoring application: Microsoft Office PowerPoint

MD5: 277b140d4469641a67534ecc7991fc86 SHA-1: 87b495fe58a0ee6f03959c77468461bdda677ec2 SHA-256: 55600c567efec144288b5f98668b87663c69f1b22a575bdec8587b1936b791af

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a PowerPoint file containing VBA macros, specifically an Auto_Close macro that utilizes the Shell() function. This indicates the macro is designed to execute arbitrary commands upon closing the presentation. The presence of VBA macros and the use of Shell() are strong indicators of malicious intent, likely to download and execute a secondary payload. No specific family could be identified.

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` `4fd41e094d1194c5e3b8a2ebc558e1be31fe02aff8a552c01b51dff875d4d413`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	2398 bytes

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