Emotet — Office (OLE) malware analysis

Static analysis result for SHA-256 981780fd7b9276ef…

MALICIOUS

Office (OLE)

156.8 KB Created: 2020-09-14 22:30:00 Authoring application: Microsoft Office Word
MD5: 23da9d2e89c0d7a664566bce502ea4c4 SHA-1: ce5604a224bea2dc28672a3f18c85baa4a32d524 SHA-256: 981780fd7b9276ef6d5ce60f74cb49a1b28253f902d4db9d2f1275b49ffc29d2
240 Risk Score

Malware Insights

Emotet · confidence 95%

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names Emotet, and the presence of VBA macros and CreateObject calls aligns with Emotet's typical delivery mechanism. The macro is designed to execute code, likely to download and run a second-stage payload.

Heuristics 7

  • ClamAV: Doc.Malware.Emotet-9762395-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Emotet-9762395-0
  • 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
52e73c091f55432254cc001aa79ef5320e8222785e35361d8b9c34d1d7c1b011		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 18535 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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