Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 2dbceca60d04b3e2…

MALICIOUS

Office (OLE)

60.0 KB Created: 2010-02-11 13:14:00 Authoring application: Microsoft Word 8.0
MD5: b64903ce5dd3f8e24627e84b965b2e36 SHA-1: df455c3305031439ca2819cdc8538f67e72f89a9 SHA-256: 2dbceca60d04b3e24bbcad51a4d7832535685e46bc3c8ef556a49a943f212f58
160 Risk Score

Malware Insights

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

The sample is a Word document containing VBA macros, specifically triggering an Auto_Close macro that executes a Shell() command. This indicates the document is designed to run arbitrary code upon opening or closing, likely to download and execute a second-stage payload. The document body contains what appears to be a list of pensioners and employment data, likely a lure to encourage macro execution.

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
1a4a20562a81e2688506ec09fa19df484f152599310da0c30d96529f21b43f6e		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1895 bytes

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