MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1059.001 PowerShell
T1204.002 Malicious File
The sample is a malicious OLE document containing VBA macros, specifically an AutoOpen macro that calls the Shell() function. This indicates an attempt to execute arbitrary code. The ClamAV detection of 'Win.Trojan.Dropper-137' strongly suggests this file is a dropper for further malware. The document body contains obfuscated text, but the presence of the AutoOpen macro and Shell() call are sufficient to infer the malicious intent.
Heuristics 6
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Shell() call in VBA critical OLE_VBA_SHELLShell() call in VBA
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ClamAV: Win.Trojan.Dropper-137 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.Dropper-137
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AutoOpen macro high OLE_VBA_AUTOOPENAutoOpen macro
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VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXECCompiled 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.
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Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGEOne 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.
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VBA macros detected medium OLE_VBA_MACROSDocument contains VBA macro code
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
macros.bas93f587257b7e83818ea903e16efc06fc77cf094844855d8cb4c827c1a27833ff |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 35854 bytes |
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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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