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

Static analysis result for SHA-256 934df0be5a13def8…

MALICIOUS

Office (OLE) / .PPT

62.0 KB Created: 2021-04-21 20:54:19 Authoring application: Microsoft Office PowerPoint
MD5: f7c9f667cf886622d7851f7564891890 SHA-1: 74e520b8ae0a896ccf5e78603c3829d7df701ba7 SHA-256: 934df0be5a13def81901b075f07f3d1f141056a406204d53f2f72ae53f583341
300 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1218.005 System Binary Proxy Execution: Mshta

The sample is a PowerPoint file containing VBA macros. A critical heuristic indicates the use of the Shell() function, and high-severity heuristics point to references to mshta.exe and the execution of VBA p-code. The Auto_Close macro is present, suggesting it executes upon closing the document. The presence of mshta.exe indicates an attempt to execute commands, likely to download and run a second-stage payload.

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/hdjkashdjkahs

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
32191e7be4d27e1c419edcc2f11b4801413dec93a53194e714cf7a643f86883a		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 457 bytes

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