Office (OLE) / .DOC malware analysis — malicious · 63c0e8ee72f1440d

MALICIOUS

Office (OLE) / .DOC

72.0 KB Created: 2020-03-04 13:57:00 Authoring application: Microsoft Office Word

MD5: 623f67fed2743e2916090c58b5c4b3c2 SHA-1: 2c802a42efe6ffd1c97ec2e0b4a27a3c3fa7f6e8 SHA-256: 63c0e8ee72f1440d0b54869aac76681c03dc15b22766d297d168d2a3c248206f

284 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a malicious Office document containing VBA macros. The 'Document_Open' macro is configured to auto-execute upon opening, and it uses GetObject to launch a WMI process to create a new process. The document body contains a lure instructing the user to enable editing and content, which is a common tactic for macro-based malware. The VBA code appears to be a downloader, as indicated by the ClamAV detection name 'Doc.Downloader.Generic-7609655-0'.

Heuristics 9

VBA WMI Win32_Process launcher critical OLE_VBA_WMI_PROCESS_CREATE

VBA macro builds or references a WMI moniker for Win32_Process and invokes .Create to start a command. This is a high-confidence macro execution chain that often hides the WMI class name through string concatenation or helper functions.
ClamAV: Doc.Downloader.Generic-7609655-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-7609655-0
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.
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` `0ec6a126503bfa1eb9ed880d3d87db02a81d0e007e4e2c4e362bf6cced0c129c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4901 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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