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

Static analysis result for SHA-256 24a59d1441e2601e…

MALICIOUS

Office (OLE) / .PPT

39.0 KB Created: 2020-07-22 01:32:58 Authoring application: Microsoft Office PowerPoint
MD5: 7c71dc5ad3caa9be88fa261df22c6a03 SHA-1: 90e7840e703d02e6656967545b3bdf6c499ad461 SHA-256: 24a59d1441e2601eafc4493376ca4dc440ba591c6f0e256975bcff10c0764b10
240 Risk Score

Malware Insights

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

The presence of VBA macros, specifically an Auto_Close macro that utilizes CreateObject and Shell() calls, indicates malicious intent. The Auto_Close macro is designed to execute automatically when the presentation is closed. The Shell() call is highly suspicious and suggests the macro attempts to download and execute a second-stage payload. The embedded URL, although marked as confirmed benign, is still included as a potential IOC. No specific family could be identified.

Heuristics 7

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • 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
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69%69@j.mp/7bkj6687i2frvcpye4yk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
7e01c0fcffa57382902e63ba051ce420d9ed92cb4678aeccc3602f70c445a309
vba-macro oletools.olevba.extract_macros (decoded VBA source) 1094 bytes