Malicious MS Word Document analysis – 201d86ccf6fe

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File

Type

Microsoft Office Document

7 malicious · 27 files

DOCREADME.docmMS Word DocumentT1059.005

XML[Content_Types].xmlextracted from MS Word Document · XML

BIN_rels

BINword

XMLdocument.xmlextracted from MS Word Document · XML

BIN_rels

OFFvbaProject.binextracted from MS Word Document · MS Office Document

BIN.

BINRoot Entry

BINVBA

BINdirextracted from MS Office Document

VBAThisDocumentsub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScriptT1059.005

VBS[Stored VBA].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

VBA[PCode]disassembled · VBA Module

VBS[Decompiled VBA]decompiled · VBScriptT1059.005

VBS[Decompiled VBA].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

BIN_VBA_PROJECTextracted from MS Office Document

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

BINmedia

BINtheme

XMLvbaData.xmlextracted from MS Word Document · XML

XMLsettings.xmlextracted from MS Word Document · XML

XMLstyles.xmlextracted from MS Word Document · XML

XMLwebSettings.xmlextracted from MS Word Document · XML

XMLfontTable.xmlextracted from MS Word Document · XML

BINdocProps

Config. Field	Value
URL #1	http:/huhuhuhuhuhuhuhuhuhuhu

We extracted this malware's full configuration (C2, credentials, campaign IDs…).

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7 malicious · 27 files

DOCREADME.docmMS Word DocumentT1059.005

XML[Content_Types].xmlextracted from MS Word Document · XML

BIN_rels

BINword

XMLdocument.xmlextracted from MS Word Document · XML

BIN_rels

OFFvbaProject.binextracted from MS Word Document · MS Office Document

BIN.

BINRoot Entry

BINVBA

BINdirextracted from MS Office Document

VBAThisDocumentsub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScriptT1059.005

VBS[Stored VBA].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

VBA[PCode]disassembled · VBA Module

VBS[Decompiled VBA]decompiled · VBScriptT1059.005

VBS[Decompiled VBA].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

BIN_VBA_PROJECTextracted from MS Office Document

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

BINmedia

BINtheme

XMLvbaData.xmlextracted from MS Word Document · XML

XMLsettings.xmlextracted from MS Word Document · XML

XMLstyles.xmlextracted from MS Word Document · XML

XMLwebSettings.xmlextracted from MS Word Document · XML

XMLfontTable.xmlextracted from MS Word Document · XML

BINdocProps

vbaDNA - VBA Stomping & Purging Stategy detection

	Module Name0
	ThisDocument	Blacklist VBA VBA Macro
PCode Decompiled VBA Stored VBA Partial Diff. Full Diff. Missing P-Code: The Office document under analysis has been identified as having undergone VBA Purging techniques, as the P-Code block within the document is currently inaccessible. As a result, the decompilation of the code was not possible, leaving only the stored code available in textual format for analysis. VBA Purging essentially involves the elimination of the PerformanceCache section from the module streams. To fully erase any traces of the P-Code section, the MODULEOFFSET between the two sections is adjusted to 0 by altering the _VBA_PROJECT stream, and all SRP streams that also house PerformanceCache data are removed. Following the removal of the compiled code, antivirus engines and Yara rules, which depend on precise string matches, are rendered ineffective. This allows macros to bypass them effortlessly, owing to the compressed format of the remaining source code.

Config. Field	Value
URL #1	http:/huhuhuhuhuhuhuhuhuhuhu

We extracted this malware's full configuration (C2, credentials, campaign IDs…).

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