Lemodldr Office (OLE) / .DOCX malware analysis — malicious · 56916942bc59a1ae

MALICIOUS

Office (OLE) / .DOCX

173.4 KB Created: 2020-07-31 21:27:00 Authoring application: Microsoft Office Word

MD5: 9dc6c15bd5cadbea76473ca0a61270d0 SHA-1: a1e18ac08b98c88a49da1b8afa527468a102fd0d SHA-256: 56916942bc59a1ae0cc030beaf907b54631390e0a5fa7d75bce1f120df88d843

300 Risk Score

Malware Insights

Lemodldr · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that utilizes a hidden UserForm to execute commands. This is a common technique for downloading and executing secondary payloads. The ClamAV detection name 'Doc.Malware.Lemodldr-9238058-0' strongly suggests the Lemodldr family. The presence of a hidden UserForm command stager indicates a sophisticated downloader mechanism.

Heuristics 8

VBA UserForm hidden-property command stager critical OLE_VBA_USERFORM_HIDDEN_COMMAND_STAGER

VBA auto-exec macro creates a COM object from a decoded variable and reconstructs command text through Split/Join and hidden UserForm properties such as ControlTipText, Tag, Pages, or HelpContextId. This is a high-confidence macro downloader/loader shape seen in the reviewed OLE set, but it is not an Office CVE exploit primitive.
ClamAV: Doc.Malware.Lemodldr-9238058-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Lemodldr-9238058-0
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 — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

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` `3f80d194ec08725952d8a1be08ab1b7c0f9f31517b8ecd0ce89565c2fa7d48bb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	5015 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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