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

Static analysis result for SHA-256 eeda519ae0a86560…

MALICIOUS

Office (OLE) / .DOT

1.47 MB Created: 2005-03-31 02:53:00 Authoring application: Microsoft Word 9.0
MD5: 3309c09de1f3f66605b926b44b6b4d03 SHA-1: 904bccb9179504d405d1739102fea9cf9e53634f SHA-256: eeda519ae0a86560554d7680694a7c21537965e318e7a992a99dbd545ef82ded
280 Risk Score

Malware Insights

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

The sample is an Office document template (.DOT) containing a large VBA macro. Heuristics indicate the use of Shell() and CreateObject(), suggesting the execution of external commands or processes. The presence of a 'Password-protected archive handoff' heuristic and embedded URLs points towards a social engineering lure designed to obtain a password for a subsequent payload. The macro likely uses obfuscation techniques, as indicated by 'VBA Chr string obfuscation'.

Heuristics 8

  • ADODB.RecordSet — CVE-2015-0097 high CVE likely CVE_2015_0097
    ADODB.RecordSet — CVE-2015-0097
  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject call
  • 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
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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 http://192.168.1.2/WRAOPWEB/odc/GetDataInfoForOE.asp?sMode=7&sWordDocNO=09412A00204
    • http://192.168.1.144/opnet/web/odw/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
0ab300c812fd856c1b1ae5ee324aa542891668c41c810720befa326a8734e3d8		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 470568 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 61 Chr/ChrW string-construction calls.

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