Office (OLE) / .DOC malware analysis — malicious · 3e8934af50e74c54

MALICIOUS

Office (OLE) / .DOC

359.5 KB Created: 2021-06-14 22:04:00 Authoring application: Microsoft Office Word

MD5: 312c3c5155258b9e6b4a270eee8f4029 SHA-1: 5d852ce08fd8fc676e132e0a3ba30aa027b6f35d SHA-256: 3e8934af50e74c540b281fbca3fe2ef70cfb46080cda20152817c8ee16389ba6

222 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a malicious OLE document containing VBA macros. The 'Document_Open' macro is present and uses 'CreateObject', indicating an attempt to execute code. The presence of 'SC_STR_WSCRIPT' and 'OLE_VBA_PCODE_AUTOEXEC_EXEC' further supports the execution of malicious scripts. No document body text was available for analysis, but the macro execution is the primary indicator of malicious intent.

Heuristics 7

Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open 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.
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 — context-specific rules above attribute URLs they actually evaluated; this rule lists URLs that were present in the bytes but were not otherwise tied to a specific finding.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `96b8d66ad36d1fa17b9dfcfef721e75f19507475ed5e44d17ef0d9aa497f953b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	834 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 9 Chr/ChrW string-construction calls. Carved macro source contains an auto-exec entry point and execution/download terms.

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