Malicious Office (OLE) / .XLS — malware analysis report

Static analysis result for SHA-256 d36d950e9c94564b…

MALICIOUS

Office (OLE) / .XLS

35.0 KB Created: 2015-06-05 18:17:20 Authoring application: Microsoft Excel
MD5: b3931a02644f28eaee7711d36333eece SHA-1: 72e0ab0c9b992f94db5ae45022df57f1522b9895 SHA-256: d36d950e9c94564bcb37f058d4ba3636281a273fd59d7eac0f3dc8fa215b5590
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell

The file contains VBA macros that are obfuscated but appear to construct a URL and download a second-stage payload. The GetObject heuristic firing further suggests the execution of external code. The script attempts to download a file named 'Protected Client.vbs' from 'alabama-proper-tym-anagers.com' and save it as 'notepad.vbs', likely to execute it.

Heuristics 2

  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
f0b1f384f3614ba9ab59297480004e75a1b2ae454dc9d83e9e242a71c11dff79		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1246 bytes

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