Office (OLE) / .DOC malware analysis — malicious · 548296865b8b5a45

MALICIOUS

Office (OLE) / .DOC

272.0 KB Created: 2021-03-02 05:18:00 Authoring application: Microsoft Office Word

MD5: 7cee2199a1ec8bbd2522215652d29b8a SHA-1: 24a45ccf5a2dccc9351e2a7b94ca96de688b23e8 SHA-256: 548296865b8b5a459b2b10452f1ae241e0a986f16bb926c0e32abede05382dc8

260 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The sample contains a large VBA macro that utilizes WScript.Shell and CreateObject, indicating an attempt to execute arbitrary code. The presence of 'Shell()' calls strongly suggests the macro is designed to download and execute a secondary payload. No specific family could be identified from the available heuristics.

Heuristics 7

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
WScript.Shell usage critical OLE_VBA_WSCRIPT

WScript.Shell usage
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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` `158e156596f384a317d502d9fbe6206f573a2e3f4df2c503c7dc1c8593e430c2`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	298495 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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