Deep Malware Analysis of Voo Cancelado Localizador RR9N4V.ppam.bin | md5: 730a8401140edb4c79d563f306ca529e | Office Document | Blacklist VBA | VBA Purging | ATT&CK T1564.007 | Malicious | Malicious Document | DeObfuscated | VBScript | Obfuscated

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File

Type

Microsoft Office Document

5 malicious · 13 files

OFFVoo Cancelado Localizador RR9N4V.ppam.bin

XML[Content_Types].xml

BIN_rels

BINppt

XMLpresentation.xml

BIN_rels

OFFvbaProject.bin

BIN.

BINRoot Entry

BINVBA

BINdir

VBAMódulo1

VBS[Stored VBA]

VBS[Stored VBA].deobfuscated.vbs

BIN_VBA_PROJECT

BINPROJECT

BINPROJECTwm

Config. Field	Value
URL #1	https:huhuhuhuhuhuhuhuhuhuhu

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

	Module Name0
	Módulo1	Blacklist VBA VBA Macro VBA Purging ATT&CK T1564.007 Malicious Malicious Document
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.