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

Static analysis result for SHA-256 c4eae305a15bb7cc…

MALICIOUS

Office (OLE) / .DOC

45.0 KB Created: 2021-07-06 04:33:00 Authoring application: Microsoft Office Word
MD5: 5c6d5e0029a27a74c4e12c744991f121 SHA-1: 3ad518aa3bdbd0c6c21be60163af343141375ec6 SHA-256: c4eae305a15bb7ccbd51f0c523d46d33cfd9bc7b445378a73a787ef16fb039d2
142 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The sample contains VBA macros that utilize CreateObject and CallByName functions, indicating malicious intent. The script attempts to download a second-stage payload from the URL 'https://saervilohim.top/ecm/ibm/1633157617/feedback' using MSXML2.ServerXMLHTTP. The embedded VBA macro 'macros.bas' is responsible for this download and execution, which is a common technique for delivering further malware.

Heuristics 5

  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • CallByName call high OLE_VBA_CALLBYNAME
    CallByName call
  • 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://saervilohim.top/ecm/ibm/1633157617/feedback
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
9e1eb914e18d991ee27946c134e43baf0d9ce56974549631ead8ea70c60f6bef		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 2825 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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