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

Static analysis result for SHA-256 e9b57e2b29288ee0…

MALICIOUS

Office (OLE) / .DOC

173.0 KB Created: 2019-03-28 15:01:00 Authoring application: Microsoft Office Word
MD5: 362eff966b58f1ce12258bf0ac663a78 SHA-1: b961f3f146cd4a421ee219fc75f0897bb9658268 SHA-256: e9b57e2b29288ee0c219029141219b9064d8021aecf255cc9ea41198486daa55
200 Risk Score

Malware Insights

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

The file is a malicious OLE document containing a large VBA macro. The presence of an AutoOpen macro and a GetObject call indicates that the macro is designed to execute automatically upon opening the document. The ClamAV detection and heuristic firings strongly suggest that this macro is intended to download and execute a secondary payload, a common technique for initial access and further infection. No specific family could be identified.

Heuristics 6

  • ClamAV: Doc.Malware.Dspf-6915759-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Dspf-6915759-0
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject 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 http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
8e37d0345c5f932d4fa0057b3915a33f6bfc0dae9add7c0d6d2a83554963dec9
vba-macro oletools.olevba.extract_macros (decoded VBA source) 21672 bytes