Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 316329970083b915…

MALICIOUS

Office (OLE)

155.2 KB Created: 2020-09-14 19:47:00 Authoring application: Microsoft Office Word
MD5: ed5183565faab7e6bd0ee42d71a23176 SHA-1: 63abf22e0c2a5a3136f7dc4a0cb38a22fde834ef SHA-256: 316329970083b915103bcc7de04a100c7288018f8c5683974b02f2ec150001bb
240 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File T1140 Deobfuscate or Obfuscate

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject. This indicates an attempt to execute malicious code upon opening the document. The presence of 'macros.bas' suggests a macro-based downloader. The ClamAV detection further supports its malicious nature. The obfuscated document body and script content prevent a more detailed analysis of the payload.

Heuristics 7

  • ClamAV: Doc.Malware.Generic-9760307-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Generic-9760307-0
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open 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.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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
0b6180fea2f2eb783f5bda16a3b3f9aadc8aaa21f7b3f16e95bf573cb2bafb66
vba-macro oletools.olevba.extract_macros (decoded VBA source) 18514 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.