Emotet Office (OLE) malware analysis — malicious · b5354983b89c240b

MALICIOUS

Office (OLE)

149.1 KB Created: 2020-10-15 14:34:00 Authoring application: Microsoft Office Word

MD5: 2cf744a89e5352795076678af04cd2e8 SHA-1: 4dc50cf3dc814256b05f4bd6380767fba3787dd1 SHA-256: b5354983b89c240bb92bb077428425d7c3601025bb1de43e492bab8d1c172fd2

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as Emotet, a known downloader family. The obfuscated document body and the presence of VBA macros suggest the document's primary purpose is to lure the user into enabling macros, which would then likely execute a secondary payload. The embedded URL, while benign, is noted.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778224-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778224-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject 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` `b2c5689ca3757fa4157ea59f16365cb334e68487bb4f8496fb867967402af424`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	12861 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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