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

Static analysis result for SHA-256 9b31e1e6aaf70cac…

MALICIOUS

Office (OLE) / .PPT

59.0 KB Created: 2020-04-19 19:05:51 Authoring application: Microsoft Office PowerPoint
MD5: d9e37474171eddc86d7bfa0f8bd51596 SHA-1: 8b6de0c2387e0530dff4be679fcc0f1368e1785a SHA-256: 9b31e1e6aaf70caccd3c88e3c9a367e8264e0b12053f3ed1a2eda6febe70a022
220 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The sample is a PowerPoint file containing VBA macros. Critical heuristics indicate the presence of a Shell() call within an Auto_Close macro, which is a common technique for executing arbitrary commands. This suggests the macro is intended to download and execute a second-stage payload. The ClamAV detection further supports its malicious nature.

Heuristics 5

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Ppt.Trojan.Agent-7687595-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Ppt.Trojan.Agent-7687595-0
  • 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.

FilenameKindSourceSize
macros.bas
0f63831e4a9d22f89f4adcb0a155f9fb68b02042433320c42a9007107d2fe82b		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 481 bytes

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