Office (OLE) / .DOC malware analysis — malicious · 434c3e59307e3a77

MALICIOUS

Office (OLE) / .DOC

113.0 KB Created: 2021-01-22 14:50:00 Authoring application: Microsoft Office Word

MD5: 2d1eb1d05df18eaa4de7e6a415863828 SHA-1: 26eb16216931d1b852558b5e94aaaac9aff1a8b2 SHA-256: 434c3e59307e3a7729b3110fda766513b9828b46618148434206f46e5763f213

240 Risk Score

Malware Insights

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_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document contains and executes VBA macros. The presence of a Document_Open macro that uses CreateObject strongly suggests the macro is designed to download and execute a second-stage payload. The document body content is heavily obfuscated and does not provide clear user-facing text, further supporting a malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emodldr-10033991-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emodldr-10033991-0
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` `347deb566c7e9fd6f5c2af2a34e8d1cae1a2c01d4391a55cd7f997d9391cd768`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16780 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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