Office (OLE) / .DOC malware analysis — malicious · 13e62e40ee19b3b3

MALICIOUS

Office (OLE) / .DOC

52.0 KB Created: 2020-05-30 15:20:00 Authoring application: Microsoft Office Word

MD5: f559b9ac2f826bed009bee81dd0dae21 SHA-1: 2d7c84d5b37e2837499c4c2d0711e1bf4364060c SHA-256: 13e62e40ee19b3b3708caa9b7d36aaf5ede3d704632b8598fbc155cddce4f284

284 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing obfuscated VBA macros designed to execute a payload. The AutoOpen macro attempts to check for a file and then uses GetObject to interact with WMI, potentially to download and execute a second-stage payload. The document body itself acts as a lure, prompting the user to enable editing and content to view a fake sales listing.

Heuristics 9

Obfuscated auto-exec VBA loader critical OLE_VBA_OBFUSCATED_AUTOEXEC_LOADER

Auto-exec VBA reconstructs strings with a heavy custom decoder (numeric char-array, repeated hex-string decode, or junk-token Replace removal) and feeds them to a COM-instantiation or execution sink. This obfuscated-loader shape keeps CreateObject/Shell/URL indicators out of the macro source.
ClamAV: Doc.Dropper.Sagent-8005726-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Sagent-8005726-0
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.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
Suspicious extracted artifact info 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.
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` `8223fea9ddbe79afbe79b84af675a15fd605727c9d870a66f39278a8f90a7683`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8483 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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