Emotet Office (OLE) / .DOC malware analysis — malicious · e904f7456c0f0e17

MALICIOUS

Office (OLE) / .DOC

127.4 KB Created: 2019-05-16 07:54:00 Authoring application: Microsoft Office Word

MD5: e14bc302d8a4fcf48f0174ae6c32758f SHA-1: 91e121cc41f65b60f4c663ff103c5c5d7ea6a787 SHA-256: e904f7456c0f0e17b2935552266331f550c82f7a1d1e5dd50f7abdb2b818e698

260 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The sample contains a VBA macro with an AutoOpen function, which is a common delivery mechanism for Emotet. The macro utilizes GetObject and WMI (Win32_Process.Create) to launch a second-stage payload. ClamAV detection confirms this as a known Emotet downloader variant. The embedded URL is benign and likely a false positive from the parser.

Heuristics 7

VBA WMI Win32_Process launcher critical OLE_VBA_WMI_PROCESS_CREATE

VBA macro builds or references a WMI moniker for Win32_Process and invokes .Create to start a command. This is a high-confidence macro execution chain that often hides the WMI class name through string concatenation or helper functions.
ClamAV: Doc.Downloader.Emotet-10001946-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10001946-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
GetObject call high OLE_VBA_GETOBJ

GetObject 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.
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` `1422d0fb5baeddbc05bbf29ec30c0b06e7542e8b0b69b845a37ab13cd23ba30a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1257 bytes

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