Emotet Office (OLE) / .DOC malware analysis — malicious · f90da10a8fd97746

MALICIOUS

Office (OLE) / .DOC

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

MD5: abfd4a0265cd1eb83e76edbb5e1a46e7 SHA-1: c2f8222cf64405592cfe7033cfce30d1ffc9b027 SHA-256: f90da10a8fd9774683d270cb490f4d3a21395550beb6ca9e5e202c839e9a4883

242 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.003 Windows Command Shell

The file is identified as Emotet by ClamAV, a known downloader family. The VBA macros contain obfuscated code that attempts to download and execute a second-stage payload. Specifically, the script reconstructs a list of URLs for downloading, including 'http://everisyoglobal.everis.com/wordpres/ZYZ1wZJFIu34Bbj/', and uses Windows command shell execution to run the downloaded content. The presence of heap spraying and WinExec API calls further supports its malicious nature.

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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