Office (OLE) / .PPT malware analysis — malicious · dba5fb4515c0d5d6

MALICIOUS

Office (OLE) / .PPT

62.5 KB Created: 2021-05-26 21:35:46 Authoring application: Microsoft Office PowerPoint

MD5: db9180c10967ec90afbc7dc27fdaa3eb SHA-1: 0d7be31cf32335e308cfd66dbf1df1f6a2e8c360 SHA-256: dba5fb4515c0d5d6f16d989750990e9444baaf7d18412dafdf6a47d9db2a2ed6

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file is a PowerPoint presentation containing VBA macros, specifically an Auto_Close macro. Heuristics indicate the use of ShellExecute and GetObject, suggesting the macro attempts to execute arbitrary code. The presence of VBA macros and the Auto_Close function strongly implies an attempt to run malicious code upon closing the presentation, likely to download and execute a second-stage payload.

Heuristics 6

Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
Auto_Close macro high OLE_VBA_AUTOCLOSE

Auto_Close macro
GetObject call high OLE_VBA_GETOBJ

GetObject 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `b2c04ed49d3f9905ba6093737f11c345528bdc6eee767cc29c2c27fbdf9a3d0f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	1119 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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