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

Static analysis result for SHA-256 d60076d9ebcd69f0…

MALICIOUS

Office (OLE) / .DOC

69.0 KB Created: 2021-03-08 18:03:00 Authoring application: Microsoft Office Word
MD5: f0bbb85804a6759fe665b2482b6d083e SHA-1: 0eba1c2a8877c96b1cda52a11ab2066124663e19 SHA-256: d60076d9ebcd69f0403422ebb01bf2df5faa59ce3fe2596b76ba0868ec666549
240 Risk Score

Malware Insights

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

The sample is a malicious DOC file containing VBA macros. The 'Document_Open' macro is present and utilizes a 'Shell()' call, indicating it's designed to execute arbitrary commands. This macro likely downloads and executes a second-stage payload from the unknown URL 'https://lejungcoltd.com/ikke.gif'. The presence of VBA p-code auto-execution with execution tokens further supports this malicious intent.

Heuristics 7

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • 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 https://i1.social.s-msft.com/globalresources/Images/trans.gif?cver=0001
    • https://lejungcoltd.com/ikke.gif
    • http://ns.adobe.com/xap/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
2dc7a27e61cf4f9f85d966fb943d9558fd64e9c31fe9717a9b132e19b51e12a8		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1121 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved macro source contains an auto-exec entry point and execution/download terms.

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