Malicious Office (OLE) / .PPT — malware analysis report

Static analysis result for SHA-256 2a162f022d4f1e30…

MALICIOUS

Office (OLE) / .PPT

206.5 KB Created: 2006-08-16 00:00:00 Authoring application: Microsoft Office PowerPoint
MD5: 48582637839c9075d50db6b51ac7c392 SHA-1: 3f4a141bf711cf09314cc4c31c7a0fc4b239f402 SHA-256: 2a162f022d4f1e307b740f1a8002fe88467f6b493167ca2514f2ce4a138edf13
260 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 obfuscated VBA macros. A critical heuristic indicates an obfuscated VBA Shell command with a URL, specifically 'http://1230948%1230948@j.mp/jasidjijjjdasddlldnllddddoej'. This command is likely used to download and execute a second-stage payload. The Auto_Close macro and reference to mshta.exe further support this execution flow.

Heuristics 7

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • Obfuscated VBA Shell command with URL critical OLE_VBA_OBFUSCATED_SHELL_URL
    VBA macro invokes Shell with command text assembled through decoder or string-manipulation functions and includes a URL. This is a high-confidence downloader/dropper pattern, stronger than Shell or URL evidence on their own.
  • Reference to mshta.exe high SC_STR_MSHTA
    Reference to mshta.exe
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close 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 http://1230948%1230948@j.mp/jasidjijjjdasddlldnllddddoej

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
2438901c690641ba97cde712eda93d73885aecf77f0f1c972af73723e74b89ca		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 37856 bytes

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