Office (OLE) / .PPT malware analysis — suspicious · 7898df98a2ef6386

SUSPICIOUS

Office (OLE) / .PPT

75.0 KB Created: 2022-11-01 04:07:35 Authoring application: Microsoft Office PowerPoint

MD5: 8791c30107139713090ed181c40718df SHA-1: a4a3f280fb12e2917ddc30fd36ac60120438615f SHA-256: 7898df98a2ef6386f11395b9d2dbfa80f3ecec5628f3a58e97c91b7e4fff3966

40 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a PowerPoint file containing a VBA macro that executes upon opening. The macro constructs and executes a PowerShell command to download a file from the provided Bitbucket URL. This indicates a downloader or droppper functionality, aiming to fetch and run a secondary payload.

Heuristics 5

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.
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/!api/2.0/snippets/newwork123social/gq4Rkq/44dbd4a9ab3641ee3f19104c44e5b4fbb054b781/files/blackstartup.txt
Macro capabilities present but unconfirmed info MACRO_CAPABILITY_UNCORROBORATED

The document's VBA exposes execution capabilities (Shell/WScript/CreateObject/auto-exec) but nothing corroborates malicious intent — no obfuscation, memory-exec primitive, download+exec chain, encoded payload, LOLBin, DDE, AV hit, or suspicious URL. The verdict was capped at 'suspicious' so legitimate macro-heavy business documents are not flagged malicious on capability presence alone.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `269d3f8b0bac5a6fb9fbaa675e997d730bfd5074786b63152a76538aaea84e53`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1115 bytes

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