Malicious Office (OLE) / .PPT — malware analysis report

Static analysis result for SHA-256 e0396d81c892e151…

MALICIOUS

Office (OLE) / .PPT

67.0 KB Created: 2021-04-06 09:40:07 Authoring application: Microsoft Office PowerPoint
MD5: 31a5ed8d7088aab674e8182eae9618f4 SHA-1: fab0ee1bc550da2d0f75da18f2faf3ad6ca03178 SHA-256: e0396d81c892e151a25484b56761d8b0c15a7b60d51d250d1fdaedb6eb9a06d8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is a PowerPoint presentation containing VBA macros. The critical heuristic firing indicates a Shell() call within the VBA code, and the Auto_Close macro suggests execution upon closing the presentation. The presence of VBA p-code auto-execution further supports the malicious intent. The macros are likely designed to download and execute a second-stage payload, although no specific URLs or commands were extracted.

Heuristics 4

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • 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.

FilenameKindSourceSize
macros.bas
7670cb7f4f3306d6e00642d8614b257eb112b231a476faaa7352486245a38a80		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1135 bytes

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