Office (OLE) / .PPT malware analysis — malicious · d532ff70020cbf69

MALICIOUS

Office (OLE) / .PPT

66.0 KB Created: 2021-09-29 00:44:46 Authoring application: Microsoft Office PowerPoint

MD5: 18f71798690c95ec204f69182bbe44f7 SHA-1: 3f7c5e5abe8444f71fd4bea2fafea847627b8a33 SHA-256: d532ff70020cbf69a03cadc2b64efe32e56c009120daae397fd0ffa51c6e6eba

262 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains a VBA macro with an Auto_Open subroutine that utilizes ShellExecute to run a command. The script reconstructs the string "Shell.Application" to create an object that can execute commands. This is a common technique for downloading and executing additional malicious content. The presence of ShellExecute and mshta.exe references strongly suggests a downloader or initial execution stage.

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 http://www.bitly.com/tuiqewhdjkasdkjasd

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `4713cd89e4feab9757e77735300678f8c1829363513ba8ac3678df8cac9eb816`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	989 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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