Office (OLE) / .DOC malware analysis — malicious · e78a96cc1eb23a69

MALICIOUS

Office (OLE) / .DOC

176.0 KB Created: 2020-09-18 22:05:00 Authoring application: Microsoft Office Word

MD5: ea4f53b59535305988a8da9ca2234211 SHA-1: cabf348dafdd2ea97abea877e15a78871bfc6db7 SHA-256: e78a96cc1eb23a693bf46ee361123c3602a6f0be07b963613415f5d208afefb9

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate the presence of a malicious VBA macro designed to execute automatically upon opening the document. This macro likely functions as a downloader for a second-stage payload, as suggested by the 'Doc.Downloader' classification. No specific IOCs beyond the file itself were extracted.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9763712-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9763712-0
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` `f035cd1023dade0b5d5e126cbab797fd9aeb292e781548b39fa794a9356990ee`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19197 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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