Deep Malware Analysis of 34b91a4d59a49bc81e8b3c1ae0dd5cf3 | md5: 34b91a4d59a49bc81e8b3c1ae0dd5cf3 | Office Document | VBA Stomping | ATT&CK T1564.007 | Malicious | Malicious Document | Blacklist VBA | T1059.005 | DeObfuscated | VBScript | Obfuscated | T1027 | WScript.Shell | Shell.Application | Excel.sheet | Scripting.FileSystemObject

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MD5	34b91a4d59a49bc81e8b3c1ae0dd5cf3
Sha1	8b2598987d126f90d08e6649405e74f6928c7382
Sha256	014d6318ec453b7c845cfe9b884800797cfb09209b754470fe69603a1d72e454
Sha384	395a205a8fe961f35b79dadda254583f8b9ebc243d65b64a4b82974a0342c36e6a04267673ab441c7af3d0622e48bcfa
Sha512	2554f8cfac2c93b2abc036cf12ccf6a4fb23f060bb67410945d9eee8e23ba2f38d492550e4288e346f87b7005b38c3d2397adc568ce99382ce1a2090abb8527b
SSDeep	24576:yz9yggqk+d7BuiyKe2rYs47FNF3qJjnXwOwIaIKl3pZoml3OIiIulYB1selbaIVG:yU+zwOUu
TLSH	9E55F511F643C62BC69815360CB693F527B4AC492A864B9B325C733D3FFBA90DA47784

CSHA256

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.

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Path ole:doc~T1027~T1059.005~T1564.007>bin

Shape ole:doc>bin

malicious 2 nodes

Path ole:doc~T1027~T1059.005~T1564.007>ole:vba~T1059.005

Shape ole:doc>ole:vba

malicious 2 nodes

	Module Name0
	Sheet7	VBA Macro
	CSHA256	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.
	Sheet12	VBA Macro