Office (OLE) / .PPT malware analysis — malicious · d62703021426ed71

MALICIOUS

Office (OLE) / .PPT

61.5 KB Created: 2020-05-15 00:34:21 Authoring application: Microsoft Office PowerPoint

MD5: 58c76434ad6aadd1b462b320ea132ece SHA-1: a1a42303ef83e744e870981af2885651a3d01a60 SHA-256: d62703021426ed717fb6f1bfdb39915a4437f5ff0d41220b1194f560de98732d

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1218.005 Mshta

The sample is a PowerPoint file containing VBA macros. A critical heuristic firing indicates a Shell() call within the VBA code, and a high-severity heuristic points to a reference to mshta.exe. The presence of an Auto_Close macro further suggests that the malicious code is designed to execute automatically when the document is closed. The script's intent is to leverage mshta.exe to likely download and execute a secondary payload.

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` `f7b483221f0245a15eaed895123536c61f05e845b7f1d2462cf04539b6a85932`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	470 bytes

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