Office (OLE) / .DOC malware analysis — malicious · b6c483536379840e

MALICIOUS

Office (OLE) / .DOC

326.0 KB Created: 2018-11-25 20:34:00 Authoring application: Microsoft Office Word

MD5: 0cf25597343240f88358c694d7ae7e0a SHA-1: 11e4572812a0835c58f27814b031fb68c22f1a7b SHA-256: b6c483536379840e89444523d27ac7828b3eb50342b992d2c8f608450cd7bb53

340 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1140 Deobfuscate or Obfuscate Malicious Code

This malicious document employs a common social engineering tactic, presenting a fake prompt to lure the user into enabling macros. The presence of a Document_Open macro, along with CreateObject and CallByName calls, indicates that the VBA code is designed to execute automatically upon opening. The ClamAV detection of 'Doc.Dropper.Agent-6879074-0' strongly suggests its role as a dropper, likely intended to download and execute a second-stage payload.

Heuristics 10

ClamAV: Doc.Dropper.Agent-6879074-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-6879074-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject call
CallByName call high OLE_VBA_CALLBYNAME

CallByName 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
Macro/content-enable lure medium SE_ENABLE_LURE

Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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` `2afd650e55379e76c81b482422831a9f49e961c4c57c7151854ed3aaca4ecda1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9369 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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