Emotet Office (OLE) / .DOC malware analysis — malicious · c141a187c5b2c7a8

MALICIOUS

Office (OLE) / .DOC

253.0 KB Created: 2020-01-17 23:48:00 Authoring application: Microsoft Office Word

MD5: 31c7d70ecb77ce36653b0cb3a0f628ee SHA-1: aa8aa8b8792e82282907f876e4edd14807ee689a SHA-256: c141a187c5b2c7a8d91a923a0f79a8ba4c1484e7295f922c5fac3d7c0d6792b9

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_GETOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate a malicious macro execution. The presence of VBA macros and the specific detection name 'Doc.Dropper.Emotet-7546618-0' point towards the Emotet family. The Document_Open macro is designed to automatically execute upon opening the document, likely to download and run a secondary payload.

Heuristics 7

ClamAV: Doc.Dropper.Emotet-7546618-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Emotet-7546618-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open 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` `2e351cc01eef1715713835420380ace21db56336d316d9c4f81ac785afa9bd2c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8192 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 18 Chr/ChrW string-construction calls.

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