Deep Malware Analysis of 5f2b3f139be124410965d20687568350 | md5: 5f2b3f139be124410965d20687568350 | Office Document | Blacklist VBA | SOS: 0.33 | WScript.Shell | MSXML2.XMLHTTP | ADODB.Stream | DeObfuscated | VBScript | T1059.005 | Obfuscated | T1027 | T1105 | T1059 | COM Behavior Trace

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MD5	5f2b3f139be124410965d20687568350
Sha1	a7de3e68281fed8c26251247fdfd9c17e3be2b52
Sha256	2edb9dd4df9c8ebe605fd5807b94d472392ea95b0cb6a517b659d10192f83c80
Sha384	2fa3694f899b098235b5c15a19a42d7e72c19b1cb8316cf81184ab1948a6a68dd2674a55a56efeca8fab61667f8aaa5d
Sha512	bb9001083c7b72648fe8e6cc87b611f2ca2081bb00ec19bcbc65a34382c0f41c3cd7182eb70f8e7c806b2514ccb800e990e2717a0817f90108ee5d3ed359a8f8
SSDeep	384:QBPYLdQ5pWgLsssiCgqogQ1sZl/hAqi3KxYfhrSvplhdMed:QZYLdqkLs4gqogQ+Zl/h7xYfZy3hdH
TLSH	4BB2B058DA02DC05E175DABE830929F994452CE88703CE632F08E75C729379B6F6E49F

Module1

STICH beta Structural Threat Infection Chain Hash

A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.

STICH Path = the fingerprint (canonical chain with techniques) STICH Shape = structure only Only determinant branches produce STICH Paths.

9 / 9

Path oox:xlsm~T1027~T1059~T1059.005~T1105>bin

Shape oox:xlsm>bin

technique2 nodes

Path oox:xlsm~T1027~T1059~T1059.005~T1105>ole:doc

Shape oox:xlsm>ole:doc

technique2 nodes

Config. Field	Value
URL (COM trace) #1	https:huhuhuhuhuhuhuhuhuhuhu

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

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Command (COM trace) #1 UNKNWOWNmalicious

wscriphuhuhuhuhuhuhuhuhuhuhu

Dropped path (COM trace) #1 PATHmalicious

C:\Usehuhuhuhuhuhuhuhuhuhuhu

Trace COM ordonnée UNKNWOWNmalicious

line 1huhuhuhuhuhuhuhuhuhuhu

URLs in VB Code - #1 URIsuspect

https:huhuhuhuhuhuhuhuhuhuhu

Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.

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	Module Name0
	Module1	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.
	ЭтаКнига	VBA Macro