Office (OLE) / .XLS malware analysis — malicious · 9d08420acf90f0d1

MALICIOUS

Office (OLE) / .XLS

850.5 KB Created: 2006-11-29 14:10:37 Authoring application: Microsoft Excel

MD5: 88aade50b6977ccc5b6b95ddc8e155ec SHA-1: 7511e50000fa5d123b0c1fa0c3612ee0c32ef908 SHA-256: 9d08420acf90f0d1abfdfd6bf453bc74662faf6dbb989133cc2665b4e65fc52a

80 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is an Excel spreadsheet containing VBA macros, indicated by the OLE_VBA_MACROS heuristic. The OLE_VBA_CREATEOBJ heuristic suggests the macros attempt to execute code. The presence of 'macros.bas' as an extracted artifact further supports this. The document body discusses financial reporting and data integration via macros, implying a lure to enable macro execution. The macros likely download and execute a second-stage payload, though the specific mechanism is not detailed in the provided evidence.

Heuristics 4

CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact medium 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.
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://activex.microsoft.com/controls/vb6/mscomct2.cab

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `e6c4a4c8cd151aa0f38742960ce583ddbda25833470bf2d67d4abec4edd39ddb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	112148 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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