Malicious MS Excel Document analysis – c75dc1096421

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File

Type

Microsoft Office Document

14 malicious · 64 files

XLSc75dc1096421f34fb07209fab507facfMS Excel DocumentT1059.005 · ATT&CK T1564.007

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

BIN_rels

BINxl

BIN_rels

XMLworkbook.xmlextracted from MS Excel Document · XML

BINtheme

BINworksheets

OFFvbaProject.binextracted from MS Excel Document · MS Office DocumentATT&CK T1564.007

BINRoot Entry

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

BINVBA

BINdirextracted from MS Office Document

VBAModule1sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBAModule2sub-stream · VBA ModuleATT&CK T1564.007

VBS[Stored VBA]code extracted · VBScriptATT&CK T1564.007

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

VBS[Decompiled VBA]decompiled · VBScriptATT&CK T1564.007

VBS[Full Diff]generated · VBScriptT1059.005 · ATT&CK T1564.007

VBS[Full Diff].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

VBA[Partial Diff]generated · VBA ModuleATT&CK T1564.007

VBAModule3sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBAModule4sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBS[Decompiled VBA]decompiled · VBScript

VBAModule5sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

BIN__SRP_0extracted from MS Office Document

BIN__SRP_1extracted from MS Office Document

BIN__SRP_2extracted from MS Office Document

BIN__SRP_3extracted from MS Office Document

BIN__SRP_4extracted from MS Office Document

BIN__SRP_5extracted from MS Office Document

BIN__SRP_6extracted from MS Office Document

BIN__SRP_7extracted from MS Office Document

BIN__SRP_8extracted from MS Office Document

BIN__SRP_9extracted from MS Office Document

BIN__SRP_aextracted from MS Office Document

BIN__SRP_bextracted from MS Office Document

BIN__SRP_cextracted from MS Office Document

BIN__SRP_dextracted from MS Office Document

BIN__SRP_eextracted from MS Office Document

BIN__SRP_fextracted from MS Office Document

BIN_VBA_PROJECTextracted from MS Office Document

BINdrawings

XMLstyles.xmlextracted from MS Excel Document · XML

XMLsharedStrings.xmlextracted from MS Excel Document · XML

BINctrlProps

XMLcalcChain.xmlextracted from MS Excel Document · XML

BINprinterSettings

BINdocProps

14 malicious · 64 files

XLSc75dc1096421f34fb07209fab507facfMS Excel DocumentT1059.005 · ATT&CK T1564.007

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

BIN_rels

BINxl

BIN_rels

XMLworkbook.xmlextracted from MS Excel Document · XML

BINtheme

BINworksheets

OFFvbaProject.binextracted from MS Excel Document · MS Office DocumentATT&CK T1564.007

BINRoot Entry

BINPROJECTextracted from MS Office Document

BINPROJECTwmextracted from MS Office Document

BINVBA

BINdirextracted from MS Office Document

VBAModule1sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBAModule2sub-stream · VBA ModuleATT&CK T1564.007

VBS[Stored VBA]code extracted · VBScriptATT&CK T1564.007

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

VBS[Decompiled VBA]decompiled · VBScriptATT&CK T1564.007

VBS[Full Diff]generated · VBScriptT1059.005 · ATT&CK T1564.007

VBS[Full Diff].deobfuscated.vbsdeobfuscated · VBScriptT1059.005

VBA[Partial Diff]generated · VBA ModuleATT&CK T1564.007

VBAModule3sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBAModule4sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

VBS[Decompiled VBA]decompiled · VBScript

VBAModule5sub-stream · VBA Module

VBS[Stored VBA]code extracted · VBScript

VBA[PCode]disassembled · VBA Module

BIN__SRP_0extracted from MS Office Document

BIN__SRP_1extracted from MS Office Document

BIN__SRP_2extracted from MS Office Document

BIN__SRP_3extracted from MS Office Document

BIN__SRP_4extracted from MS Office Document

BIN__SRP_5extracted from MS Office Document

BIN__SRP_6extracted from MS Office Document

BIN__SRP_7extracted from MS Office Document

BIN__SRP_8extracted from MS Office Document

BIN__SRP_9extracted from MS Office Document

BIN__SRP_aextracted from MS Office Document

BIN__SRP_bextracted from MS Office Document

BIN__SRP_cextracted from MS Office Document

BIN__SRP_dextracted from MS Office Document

BIN__SRP_eextracted from MS Office Document

BIN__SRP_fextracted from MS Office Document

BIN_VBA_PROJECTextracted from MS Office Document

BINdrawings

XMLstyles.xmlextracted from MS Excel Document · XML

XMLsharedStrings.xmlextracted from MS Excel Document · XML

BINctrlProps

XMLcalcChain.xmlextracted from MS Excel Document · XML

BINprinterSettings

BINdocProps

vbaDNA - VBA Stomping & Purging Stategy detection

	Module Name0
	Module1	VBA Macro
	Module2	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.
	Module3	VBA Macro
	Module4	Blacklist VBA VBA Macro
	Module5	VBA Macro

No malware configuration was found at this point.

Coming soon: export of this report's indicators to MISP and EDR platforms.