Emotet Office (OLE) / .DOCX malware analysis — malicious · de085b2aa71406dd

MALICIOUS

Office (OLE) / .DOCX

161.9 KB Created: 2020-10-16 18:44:00 Authoring application: Microsoft Office Word

MD5: ac3aab47959fba1ec96dd84e0aaf4a32 SHA-1: 114ad9fcba90536bb5c2b1648cc074fd7040f510 SHA-256: de085b2aa71406dd284396b50a4931dc24c0648c58b6b5f8dc22b9d7b2d491d7

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

The sample is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9778591-0, strongly indicating the Emotet family. The presence of a Document_Open macro, which uses CreateObject and p-code auto-execution, is a common Emotet delivery technique. This macro is designed to download and execute a second-stage payload. The obfuscated document body content does not provide further clues to the specific lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778591-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778591-0
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` `fcaa38ed96b1b218739bafc5403c2803ab83f37a0565afb297027068f0a0ee86`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15517 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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