Emotet Office (OLE) / .DOC malware analysis — malicious · 42a8f2001dc8fb48

MALICIOUS

Office (OLE) / .DOC

184.5 KB Created: 2021-11-24 10:11:00 Authoring application: Microsoft Office Word

MD5: 2dd8e0d7bc14cdf7e55232ae8e85c14e SHA-1: dc2d49f825150fa801e9142e286f51fd4e86d353 SHA-256: 42a8f2001dc8fb48ae73b2cca829687f278469658bcbcb4a61d86a1b41bac430

242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is identified as malicious by ClamAV with a specific Emotet downloader signature. The VBA script within the document, named 'macros.bas', contains obfuscated code that attempts to reconstruct a list of URLs and then uses PowerShell commands to download and execute a second-stage payload. The script also attempts to establish persistence by writing to the registry. The reconstructed URLs include 'http://everisyyouglobal.everis.com/wordpress/ZYZ1wZJFu34Bbj/' and 'https://demo.nhabe360.com/arthrocelel/ufYiTla2O/', which are likely sources for the malware payload.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRedDawn11210-9912807-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRedDawn11210-9912807-0
Heap-spray pattern detected high SC_HEAP_SPRAY

Repeated 0x07 bytes found
Reference to WinExec API high SC_STR_WINEXEC

Reference to WinExec API
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `3d8e72d52b5d32200311f6c91c1043b980c8bcbcb72a5cc3cecd6e3758f21ece`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20963 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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