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

Static analysis result for SHA-256 b438cbe99f5f7b68…

MALICIOUS

Office (OLE) / .PPT

72.5 KB Created: 2020-06-23 18:50:28 Authoring application: Microsoft Office PowerPoint
MD5: a2067eef12b013a431289a77e46156f0 SHA-1: 29a6d5a7721ee0ab75a6a442d1ecd2863bac5086 SHA-256: b438cbe99f5f7b68ff21e492046591b4cb6f6b90daf827ea723d79204a7e582b
380 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The file contains VBA macros, including an Auto_Close macro, which utilizes WScript.Shell to execute commands. This indicates the sample is designed to download and run a second-stage payload. The ClamAV detection 'Doc.Dropper.Agent-8254670-0' further supports its role as a dropper. No specific family could be identified.

Heuristics 10

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • ClamAV: Doc.Dropper.Agent-8254670-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-8254670-0
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • Auto_Close macro high OLE_VBA_AUTOCLOSE
    Auto_Close 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.
  • 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.
  • 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://%20%20@j.mp/axaswedasddkasodkaos

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
b19ec70bca97a55bea620b75637ecf88d9583f7ceee8ddfe4191dfb001761d9d		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 582 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 shell/COM execution token(s).

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