Office (OLE) malware analysis — malicious · 293ea16e03500fb9

MALICIOUS

Office (OLE)

77.5 KB Created: 2007-07-04 09:58:00 Authoring application: Microsoft Word 8.0

MD5: f3d05d3e913d1a8c0dacd9736723244a SHA-1: e0af61804f907888c96bf461f264bd056109436a SHA-256: 293ea16e03500fb95189aa7b7984e73171a5214c94602bdc3bbc50f7e0ccc8eb

260 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a Microsoft Word document containing a malicious VBA macro. The 'Document_Open' macro is configured to execute automatically upon opening the document, and it utilizes a Shell() call. This indicates the macro's intent is to download and execute a secondary payload. The ClamAV detection 'Doc.Trojan.CoolDown-1' further supports its malicious nature. No specific family could be identified.

Heuristics 6

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
ClamAV: Doc.Trojan.CoolDown-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.CoolDown-1
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `ff1afb8d890492a7a255bd9bbfaedadb383d60cb22e5ad34e8fdb9139303e9ba`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	29262 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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