Malicious ZIP Archive analysis – 5f6b4d56557d

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File

Type

ZIP archive

10 malicious · 29 files

ZIPREADME_EvilClippy.docmZIP ArchiveT1059.005 · ATT&CK T1564.007

XML[Content_Types].xmlextracted from ZIP Archive

BINdocProps

BINword

XMLdocument.xmlextracted from ZIP Archive

XMLfontTable.xmlextracted from ZIP Archive

XMLsettings.xmlextracted from ZIP Archive

XMLstyles.xmlextracted from ZIP Archive

XMLvbaData.xmlextracted from ZIP Archive

OFFvbaProject.binextracted from ZIP Archive · MS Office DocumentT1059.005 · ATT&CK T1564.007

BIN.

BINRoot Entry

BINVBA

BINdirextracted from MS Office Document

VBAThisDocumentsub-stream · VBA ModuleATT&CK T1564.007

VBS[Stored VBA]code extracted · VBScriptT1059.005 · ATT&CK T1564.007

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

VBA[PCode]disassembled · VBA ModuleATT&CK T1564.007

VBS[Decompiled VBA]decompiled · VBScriptT1059.005 · ATT&CK T1564.007

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

VBS[Full Diff]generated · VBScriptATT&CK T1564.007

VBS[Partial Diff]generated · VBScriptATT&CK T1564.007

BIN_VBA_PROJECTextracted from MS Office Document

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

XMLwebSettings.xmlextracted from ZIP Archive

BINmedia

BINtheme

BIN_rels

Config. Field	Value
URL #1	http:/huhuhuhuhuhuhuhuhuhuhu

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

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10 malicious · 29 files

ZIPREADME_EvilClippy.docmZIP ArchiveT1059.005 · ATT&CK T1564.007

XML[Content_Types].xmlextracted from ZIP Archive

BINdocProps

BINword

XMLdocument.xmlextracted from ZIP Archive

XMLfontTable.xmlextracted from ZIP Archive

XMLsettings.xmlextracted from ZIP Archive

XMLstyles.xmlextracted from ZIP Archive

XMLvbaData.xmlextracted from ZIP Archive

OFFvbaProject.binextracted from ZIP Archive · MS Office DocumentT1059.005 · ATT&CK T1564.007

BIN.

BINRoot Entry

BINVBA

BINdirextracted from MS Office Document

VBAThisDocumentsub-stream · VBA ModuleATT&CK T1564.007

VBS[Stored VBA]code extracted · VBScriptT1059.005 · ATT&CK T1564.007

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

VBA[PCode]disassembled · VBA ModuleATT&CK T1564.007

VBS[Decompiled VBA]decompiled · VBScriptT1059.005 · ATT&CK T1564.007

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

VBS[Full Diff]generated · VBScriptATT&CK T1564.007

VBS[Partial Diff]generated · VBScriptATT&CK T1564.007

BIN_VBA_PROJECTextracted from MS Office Document

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

XMLwebSettings.xmlextracted from ZIP Archive

BINmedia

BINtheme

BIN_rels

vbaDNA - VBA Stomping & Purging Stategy detection

	Module Name0
	ThisDocument	VBA Stomping ATT&CK T1564.007 Malicious Malicious Document 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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