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

Static analysis result for SHA-256 6454a02ae83dde3b…

MALICIOUS

Office (OLE) / .DOC

162.8 KB Created: 2020-12-30 06:17:00 Authoring application: Microsoft Office Word
MD5: 3e6412fa467904bda5edbbf8e2ecbb4b SHA-1: 2a60d50b01bccd41064c7adc5a287ffd17a983b6 SHA-256: 6454a02ae83dde3b477b4051747a10bb480d4d22da314f1227103d8891cb4a58
202 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1047 WMI

The sample contains a VBA macro that is automatically executed upon opening the document. This macro utilizes CreateObject to interact with the file system, attempting to create files with specific names and paths such as 'K:\ognWFHGLH\axqgNAI.kcbGHdI'. This behavior is indicative of a downloader or dropper, likely intended to fetch and execute a secondary malicious payload. The ClamAV detection 'Doc.Downloader.EmotetRed02224-9938637-0' further supports this assessment.

Heuristics 6

  • ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
  • 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
29893d8064e3b3c407bf2467469ea0f2dd2d3c760cc02c1ecc65c81228dd3837		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 6672 bytes

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