Office (OLE) / .XLSX malware analysis — malicious · c1cd034edab0967f

MALICIOUS

Office (OLE) / .XLSX

18.0 KB

MD5: 8678219169cd60e771975319bd7cae32 SHA-1: ff48072167c852c41f1178879be557ccd7d5f59d SHA-256: c1cd034edab0967f6f9e6e3caa3e2d306796d159ee2970221e90a3c209d14f0a

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The presence of critical heuristics for OLE_VBA_SHELL and OLE_VBA_WSCRIPT indicates that the VBA macros within this XLSX file utilize WScript.Shell to execute commands. This is a common technique for downloading and executing additional malicious payloads. No specific family could be identified, and no URLs or other IOCs were directly extracted from the provided evidence.

Heuristics 6

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
WScript.Shell usage critical OLE_VBA_WSCRIPT

WScript.Shell usage
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `aee435eca06f92285f324a064826850a0c3a294a554954d3b54f45060e6c070c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1205 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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