Office (OLE) / .DOCX malware analysis — malicious · 5c3d3397104ffae5

MALICIOUS

Office (OLE) / .DOCX

157.9 KB Created: 2020-10-19 16:24:00 Authoring application: Microsoft Office Word

MD5: 0ae38f7a05ea3b2e268cd1a8ffa7f83e SHA-1: 62fac3b6b47a8226121c1942f7a1ece0b0ee3b09 SHA-256: 5c3d3397104ffae586985bb885709bfd1cd240931e43316bad0aaf2bc7750513

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1203 Exploitation for Client Execution

The sample contains a VBA macro that automatically executes upon opening the document, as indicated by the Document_Open macro and CreateObject heuristic firings. The script appears to be obfuscated but the presence of CreateObject suggests it is designed to download and execute a second-stage payload. The ClamAV detection as 'Doc.Malware.Sagent-9780539-0' further supports its malicious nature.

Heuristics 6

ClamAV: Doc.Malware.Sagent-9780539-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Sagent-9780539-0
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.
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` `d0a6497cb07b10e3700967f3bfacfd7398ab919e1393e4e1ddda61d0b30c3f61`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15475 bytes

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