Malicious PE Executable analysis – d4a82dd7569c

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File

Type

Corrupted Microsoft Office Document

Size

1.33 MB · 1,334,784 B

First seen

2025-07-08 13:45 · one year ago

Last seen

2025-07-08 13:45 · one year ago

Last analysis

2025-07-08 14:02 · one year ago

Hashes

MD5 46d4502384a90b23abb1e1e35622ad51 Sha1 700f3385a3846b0be78a634912b4de56369a761b Sha256 d4a82dd7569c9730dd5c191081ff107a789570c5b19d79b93d0930ca02d0edbe Sha384 07b7f72d96dd64613b4b22619231f09a7c6b4af464c122426b0a2c9e8a39575748aa17faed1351c263f320b482f6a6cc Sha512 cb8a53cc00f836b8d4652b1281badd379afba13f328758d1e0d1010d10b8b429e80f52209eea59bc987bd3d862780927e04009ea341a70d66594010aa38db775 SSDeep 24576:OnsJ39LyjbJkQFMhmC+6GD9rBu6NPUi5GtunZ+WVi6Zde8W9bPKteX:OnsHyjtk2MYC5GDLu6ueGtuZ+WViKOMS TLSH 94559E22F68340B2C82306344E6BF3BF4525BB015D34ED5AFED81D4DAF7A5A1391A297

Detection

PeID

BobSoft Mini Delphi -> BoB / BobSoftBorland Delphi 4.0Borland Delphi v3.0Borland Delphi v6.0 - v7.0Borland Delphi v6.0 - v7.0D1S1G v1.1 beta --> D1ND1S1G v1.1 beta --> D1NMicrosoft Visual C++ v6.0 DLLPe123 v2006.4.4-4.12Private EXE Protector V2.30-V2.3X -> SetiSoft TeamUPolyx 0.4 -> delikon

8 malicious · 73 files

EXE46d4502384a90b23abb1e1e35622ad51

Structure

XLS[Repaired @0x001411B8]

XML[Content_Types].xml

BIN_rels

BINxl

BIN_rels

XMLworkbook.xml

OFFvbaProject.bin

BIN.

BINRoot Entry

BINVBA

BINdir

BIN__SRP_0

BIN__SRP_1

BIN__SRP_2

BIN__SRP_3

VBAThisWorkbook

VBS[Stored VBA]

VBS[Stored VBA].deobfuscated.vbs

VBA[PCode]

VBS[Decompiled VBA]

VBS[Decompiled VBA].deobfuscated.vbs

BIN_VBA_PROJECT

BINPROJECT

BINPROJECTwm

BINtheme

XMLstyles.xml

BINworksheets

BINdocProps

BINResources

Config. Field	Value
URL #1	https:huhuhuhuhuhuhuhuhuhuhu
URL #2	https:huhuhuhuhuhuhuhuhuhuhu

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

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	Module Name0
	ThisWorkbook	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.