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

Static analysis result for SHA-256 cfcc2c9ab6b0876e…

MALICIOUS

Office (OLE) / .PPT

62.0 KB Created: 2021-04-21 20:54:19 Authoring application: Microsoft Office PowerPoint
MD5: bd6cae7108bea01d51c8e6dd2272efcf SHA-1: ce8ebe53db202e45addeddd3c3aca01aba3ab799 SHA-256: cfcc2c9ab6b0876ea32753a451f7327be65d9610ef7bbaaee6d116d12f3739d3
300 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1218.005 System Binary Proxy Execution: Mshta T1566.001 Phishing: Spearphishing Attachment T1059.005 Visual Basic

The sample is a malicious PowerPoint file containing VBA macros. The Auto_Close macro is configured to execute a command using Shell(), which references mshta.exe. This indicates the macro is designed to download and execute a secondary payload. The presence of the `SE_LOLBIN_RUN_COMMAND` heuristic further supports the use of legitimate Windows binaries for malicious execution.

Heuristics 8

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • ClamAV: Doc.Malware.Logan-10008081-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Malware.Logan-10008081-0
  • 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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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://j.mp/hdjkashdjkabc

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
6b42723cab4f37d0f5838ce50465beb749f1867ae0d483c7d38bda7f9acd3512		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 457 bytes

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