Office (OLE) / .DOC malware analysis — malicious · f28940ac5f587d2c

MALICIOUS

Office (OLE) / .DOC

37.0 KB Created: 2024-12-14 08:47:00 Authoring application: Microsoft Office Word

MD5: b46f63ccdddf1968e5b65f0ffbe9246b SHA-1: 37a4ec154e6fa0d4d88ab57f3b8fedd364d27f78 SHA-256: f28940ac5f587d2c947ec5de426113b01fc6c292c0376b727f13fb1af40dbb33

260 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a Microsoft Office document containing VBA macros. Heuristics indicate the use of WScript.Shell and the Shell() function, strongly suggesting the execution of arbitrary commands. The presence of 'macros.bas' as an extracted artifact further supports this. The likely intent is to download and execute a second-stage payload, although the specific URL or command is not directly visible in the provided evidence.

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` `3e6b96af7b87e12608293b2d4bf9caae012deef3e2b1f7f3b4b4d17424d4eb97`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	24161 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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