Office (OLE) / .PPT malware analysis — malicious · 4554d8691eaca6a1

MALICIOUS

Office (OLE) / .PPT

211.5 KB Created: 2021-07-06 22:31:40 Authoring application: Microsoft Office PowerPoint

MD5: aea45e1dd879386e30f1efd3dd982f5c SHA-1: 8e8daac6357c32e2d75af8369e863863f696172d SHA-256: 4554d8691eaca6a12a317f252f6e01639648947bdfb67571d3943125f3e6ca32

140 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a PowerPoint presentation containing a VBA macro that is automatically executed upon opening (Auto_Open). The macro utilizes a GetObject call to execute a second-stage payload. The script is heavily obfuscated, making it difficult to determine the exact nature of the payload or its destination. However, the presence of Auto_Open and GetObject strongly suggests an attempt to run arbitrary code.

Heuristics 4

Auto_Open macro high OLE_VBA_AUTO

Auto_Open macro
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `2f11bfbc45d1e3acedf471fe06f16482b40a281aa39b150eec1850f0d2193209`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	49050 bytes

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