Emotet Office (OLE) / .DOC malware analysis — malicious · ca52cae449c86827

MALICIOUS

Office (OLE) / .DOC

242.1 KB Created: 2020-09-17 23:22:00 Authoring application: Microsoft Office Word

MD5: 9732f28f0ae18d18e98132fc4885bacf SHA-1: 69e699ad33f53c0bd48d1c15e3a9307446847897 SHA-256: ca52cae449c8682795cdc545a2d0af4eec2eafa550145c9c3d5d7836d7ec2b9f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample is a Microsoft Word document containing VBA macros, specifically a Document_Open auto-exec macro. This macro utilizes CreateObject, a common technique for executing malicious code. The ClamAV detection explicitly names this as an Emotet downloader variant. The primary intent is to download and execute a second-stage payload, characteristic of Emotet's delivery mechanism.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
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.

Filename	Kind	Source	Size
`macros.bas` `bbb069e7ba4108064d6782bf06897cd403c434c793526e3567eb29507661c241`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21939 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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