Office (OLE) / .PPT malware analysis — malicious · 99b319172dd5c3e3

MALICIOUS

Office (OLE) / .PPT

84.0 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint

MD5: be0b3c2385316fc8aaa72029bd5cc99c SHA-1: 970816b038b06a926b3aae0f80fbb207773ab01b SHA-256: 99b319172dd5c3e3a113510867d5595f65a6a64a69a3655ee03964dd2bc9290c

320 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample is a PowerPoint file containing VBA macros. Critical heuristics indicate the use of WScript.Shell and a Shell() call, suggesting the execution of arbitrary code. The Auto_Close macro is present, which is often used to trigger malicious actions upon closing the document. The presence of 'macros.bas' further supports the macro-based execution. The primary intent appears to be downloading and executing a second-stage payload, though the specific URL was benign.

Heuristics 9

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
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject 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
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://%20%20@j.mp/asdasfgdvverttwmewos

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `98c8ca079fed3ef44f77620cd767ba39f5743722ffab4a1b51c70774aec0bad5`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	686 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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