Office (OLE) / .PPT malware analysis — malicious · e1f21979f91b3bde

MALICIOUS

Office (OLE) / .PPT

154.0 KB Created: 2022-09-29 19:35:44 Authoring application: Microsoft Office PowerPoint

MD5: 60d0e56ac30ed7b85023634779ed1dc7 SHA-1: 42384fd7565b699035c85b141ca45ccab7d63313 SHA-256: e1f21979f91b3bdef33a1e5135f721b7c4180e4f19255a913ca302d15f45b33c

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is a PowerPoint presentation containing a VBA macro with an Auto_Open function. This macro is designed to execute PowerShell commands, likely to download and run a second-stage payload. The ClamAV detection and the presence of an Auto_Open macro strongly indicate malicious intent. The embedded URL, while marked as benign, is included as a potential IOC.

Heuristics 7

ClamAV: Doc.Malware.Valyria-10007976-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Valyria-10007976-0
Reference to PowerShell high SC_STR_POWERSHELL

Reference to PowerShell
Auto_Open macro high OLE_VBA_AUTO

Auto_Open macro
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.
Suspicious extracted artifact high 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.
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 https://bitbucket.org

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `1771050f6592b11e55b4f069dd63e58ea4cc2547d54ba1bb5139376bf162ca20`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	4583 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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