Emotet — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 3b8235b67c4b67ea…

MALICIOUS

Office (OLE) / .DOC

185.0 KB Created: 2021-11-24 10:11:00 Authoring application: Microsoft Office Word
MD5: b420d51e60939fcd10d95a79b63011c4 SHA-1: d414142fdebe59b3d18257ed928466283869f827 SHA-256: 3b8235b67c4b67ea782b49388c5166786fb9d7a5b5096150b1c10e53f1d01738
162 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample was detected as Emotet by ClamAV. The VBA macro contains obfuscated PowerShell commands that attempt to download and execute a second-stage payload from multiple URLs. The script also attempts to establish persistence by writing to the registry. The reconstructed URL for the payload is 'http://thetrendsikil.com/wp-content/UH11/JgiTtyqRGicpzGAyDQ/'.

Heuristics 5

  • 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
  • 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.

FilenameKindSourceSize
macros.bas
e7b0f071ebb284c65a5c9630cb3ed746fc1c63014d254fb88606b3704aa4cf48		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 21048 bytes

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