Emotet Office (OLE) / .DOCX malware analysis — malicious · 59d3ff3d4c70d115

MALICIOUS

Office (OLE) / .DOCX

162.5 KB Created: 2020-12-29 20:50:00 Authoring application: Microsoft Office Word

MD5: 477ffb2d134ee04f8c4f4ba527438113 SHA-1: 5ae9d875bd3b49e32d09693e950a666ad8468d87 SHA-256: 59d3ff3d4c70d115ce2c6d6ee0b71174c04ffc9a3f483fe2590b91d2eaca4518

248 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The critical ClamAV heuristic identifies this file as 'Doc.Downloader.EmotetRed02224-9938637-0', strongly suggesting the Emotet family. The presence of a 'Document_Open' macro that uses 'CreateObject' indicates the macro is designed to execute automatically upon opening the document. This macro likely downloads and executes a second-stage payload, a common Emotet delivery technique. The 'SE_INVOICE_LURE' heuristic further supports the social engineering aspect of the attack.

Heuristics 8

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.
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
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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` `e5f9549007a41fec3f244ce297cfb2983cfeb314035104f84c750e8267247398`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8311 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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