Emotet Office (OLE) / .DOC malware analysis — malicious · e9095624e8bf5d24

MALICIOUS

Office (OLE) / .DOC

211.9 KB Created: 2019-02-25 12:05:00 Authoring application: Microsoft Office Word

MD5: 0294e407e90aa9edd57708a399626150 SHA-1: 2b19e3f81d4247c72280ebace715ddddfaa98ce6 SHA-256: e9095624e8bf5d240ed1bec90a9bb8431ce118f6628f0a979d5080dd8194c8ce

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-6899208-0', indicating it belongs to the Emotet family. Heuristics confirm the presence of VBA macros, specifically an AutoOpen macro that uses GetObject, suggesting it's designed to execute malicious code upon opening. The extracted 'macros.bas' file is the source of this malicious behavior, likely downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-6899208-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-6899208-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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` `a48a00b115e429245687d443939482337a7bd6c9f05ec30f6a4f6ceedd1d9174`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	48121 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 136 Chr/ChrW string-construction calls.

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