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

Static analysis result for SHA-256 7eda9593b5941e35…

MALICIOUS

Office (OLE) / .DOC

30.0 KB Created: 2020-06-07 22:26:00 Authoring application: Microsoft Office Word
MD5: ac75ab65297e0443bc14fa2025273310 SHA-1: 436719387ae939ae31aba47db8a3ae380d7dd09c SHA-256: 7eda9593b5941e3572f7f72fb39e64161e55bbc50a771dc0d17f6312741b2bf7
440 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File T1105 Ingress Tool Transfer

The sample is a malicious OLE document containing VBA macros. The AutoOpen macro utilizes WScript.Shell and the Shell() function, indicating it attempts to execute commands or download additional payloads. The embedded URL 'https://storage.googleapis.com/auto_connect/Quotation_Request.exe' likely serves as a download source for a second-stage executable. The document body is a generic quote request, serving as a social engineering lure.

Heuristics 11

  • 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-6412232-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Dropper.Agent-6412232-1
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • AutoOpen macro high OLE_VBA_AUTOOPEN
    AutoOpen 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.
  • 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
  • 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 https://storage.googleapis.com/auto_connect/Quotation_Request.exe
    • http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
73392623da4e210c2a82476d61139bac890c82a847e6ae977c6f3e189ca7d663		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 862 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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