Office (OLE) / .PPT malware analysis — malicious · 95a8e29a9a21f399

MALICIOUS

Office (OLE) / .PPT

65.5 KB Created: 2021-10-13 11:42:33 Authoring application: Microsoft Office PowerPoint

MD5: b2c169e8e7fc7d048c7465b1a042daa8 SHA-1: 2af78d78c8f0633f8487a33c07cd264d195a2f6d SHA-256: 95a8e29a9a21f399bd318957f73fa74a72f81841bc6f1323770b414741fe90d5

262 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a PowerPoint document containing a VBA macro named Auto_OpEn. This macro utilizes CreateObject to instantiate Shell.Application and then calls ShellExecute with a reference to 'maviya.highground.ControlTipText'. This indicates an attempt to execute a command, likely to download and run a second-stage payload. The presence of mshta.exe references further supports the execution of external content. The macro itself is the primary indicator of malicious intent.

Heuristics 8

Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
Reference to mshta.exe high SC_STR_MSHTA

Reference to mshta.exe
Auto_Open macro high OLE_VBA_AUTO

Auto_Open 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.
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://www.bitly.com/hdukashdkasbdhj

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `641be1a35f98096032aac826a429f74ac18a43e25b7a88771ada56993aa159d3`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	928 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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