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

Static analysis result for SHA-256 84870fb2bf037141…

MALICIOUS

Office (OLE) / .DOC

239.1 KB
MD5: 18f54810e40c542f8f02b736d8a39870 SHA-1: c92fa76a03b23dd685b7c96ade5aaf30ec3b558e SHA-256: 84870fb2bf037141bb69de279591fda922599971e5e64ba518a73c7c602406e4
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample is a malicious OLE document containing VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code upon opening. The VBA script is heavily obfuscated, but the presence of `Replace(Xlhgop6d5hqn, "][ 1) j" + "jkgS [] []w", D63p1ap73zwagg)` suggests it manipulates document content to achieve its malicious objective, likely downloading a secondary payload. The ClamAV detection further confirms its malicious nature.

Heuristics 6

  • ClamAV: Doc.Downloader.Generic-9785156-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Generic-9785156-0
  • 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.
  • 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
46bbf753c021dd824889110da33bb354da3f9a617de0713dd50b52c1bcf8132b
vba-macro oletools.olevba.extract_macros (decoded VBA source) 18397 bytes