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

Static analysis result for SHA-256 23a7c7fadb71aa2e…

MALICIOUS

Office (OLE) / .DOC

56.0 KB Created: 2021-10-27 03:38:00 Authoring application: Microsoft Office Word
MD5: a43a3a7c28083682cc953a91ee29278e SHA-1: 43ece5a514a6627db92fd15c33782356973fee60 SHA-256: 23a7c7fadb71aa2e2faa0262e120b6b324b6735627d9a9775d2828df88d280b0
142 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The Document_Open VBA macro is automatically executed upon opening the malicious document. It constructs a batch file at C:\Users\Public\Documents\god.bat. This batch file contains a PowerShell command that downloads an executable from https://secur0.x24hr.com/a/ConsoleApp14.exe to C:\Users\Public\Documents\returnother.exe and then executes it. The script also attempts to establish persistence by writing to the registry key HKCU\Software\Microsoft\Windows\CurrentVersion\Run\IAccessible2Proxy.

Heuristics 5

  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • GetObject call high OLE_VBA_GETOBJ
    GetObject call
  • 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.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • 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://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
52069b5ecc6c62fbbf658f7263d909590ecca530f35875c373f46d9e6891c9f3		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 1010 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.