Emotet Office (OLE) / .DOC malware analysis — malicious · d93f100a7450d122

MALICIOUS

Office (OLE) / .DOC

136.8 KB Created: 2019-05-15 14:15:00 Authoring application: Microsoft Office Word

MD5: 22cdb533339a6532e8e7f35263766116 SHA-1: bddd0e0b27a15bdb8b1c3e7bc05f01b9dae0ff22 SHA-256: d93f100a7450d1221718b34f4579afad93550525b4dba71d211822f4399e8fa9

340 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The file is a malicious Microsoft Word document containing VBA macros. The presence of AutoOpen, CreateObject, GetObject, and WMI process creation heuristics strongly indicates that the macros are designed to execute arbitrary code. ClamAV detection as 'Doc.Downloader.Emotet-10001946-0' further supports this, suggesting the macro's purpose is to download and execute a second-stage payload. The document body contains control elements, which are likely part of the lure or obfuscation.

Heuristics 9

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
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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.
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` `b5ba0c84486d718de2867792a98e326ada0ca74cf7d20bc733e325032540831d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9245 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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