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

Static analysis result for SHA-256 2de80fe5cb4a3398…

MALICIOUS

Office (OLE) / .PPT

84.0 KB Created: 2022-01-31 19:05:41 Authoring application: Microsoft Office PowerPoint
MD5: f5973ac8b6c2cc0c3d7235cce29c923b SHA-1: d300de1c737fc22ac97df40ff6d5b5ce25053850 SHA-256: 2de80fe5cb4a33985da951846a3243cbeb8c6111e00fa2ce65c1a8f614734588
160 Risk Score

Malware Insights

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

The Auto_Close macro in the VBA script triggers the Uganda function, which concatenates strings from various control properties to form a command. This command is then executed using the Shell() function. The specific command constructed is not fully determinable due to the dynamic nature of the string concatenation and the absence of specific values in the provided script excerpt. However, the presence of Shell() calls and VBA macros indicates a malicious intent to execute arbitrary commands.

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
eb3d4f986632f191c682f5cb0d77a6b52676b4e70ee1cdd84c9e160a79c4d5a7		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2140 bytes

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