MALICIOUS
260
Risk Score
Malware Insights
MITRE ATT&CK
T1059.005 Visual Basic
T1204.002 Malicious File
The file is an OLE document containing VBA macros, as indicated by the 'OLE_VBA_MACROS' and 'macros.bas' findings. The 'SC_STR_WSCRIPT' and 'OLE_VBA_CREATEOBJ' heuristics suggest the macros are attempting to execute code, likely to download and run a secondary payload. ClamAV detections 'Doc.Trojan.Hopper-4' and 'Win.Trojan.Internal-7' further confirm its malicious nature. The extracted artifact 'macros.bas' is included as a primary IOC.
Heuristics 6
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ClamAV: Doc.Trojan.Hopper-4 critical CLAMAV_DETECTIONClamAV detected this file as malware: Doc.Trojan.Hopper-4
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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Reference to Windows Script Host high SC_STR_WSCRIPTReference to Windows Script Host
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CreateObject call high OLE_VBA_CREATEOBJCreateObject call
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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.base285a22e47b85063ec78ec0a9cde3b0c45ae0b771146c31f7ef920d69d83c022 |
vba-macro | oletools.olevba.extract_macros (decoded VBA source) | 18632 bytes |
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Detection
ClamAV:
Win.Trojan.Internal-7
Obfuscation or payload:
likely
Carved macro source contains an auto-exec entry point and execution/download terms.
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