Malicious
Malicious
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This sample is a 244.5 KB MS Office Document classified as malicious by Malva.RE. Static analysis extracted 28 embedded or derived files. It matches 12 YARA rules. Observed behaviours map to MITRE ATT&CK T1027, T1059.005 and T1105. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
fc6095c6cfefef70ff331d2f8911581185b55bae2fe9d70750e769588033387d
MD5
aab36266f41c8ff7b492f6b725441f7b
Verdict
Malicious
File type
MS Office Document · 244.5 KB
MITRE ATT&CK
T1027T1059.005T1105

Cite this report: https://app.malva.re/sha256/fc6095c6cfefef70ff331d2f8911581185b55bae2fe9d70750e769588033387d

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File
Type
Microsoft Office Document
Size
250.37 KB · 250,368 B
First seen
2026-10-26 07:30 · 6 days ago
Last seen
2026-10-26 07:30 · 6 days ago
Last analysis
2026-10-26 07:30 · 6 days ago
Hashes
MD5 aab36266f41c8ff7b492f6b725441f7b Sha1 c9040812fa99d4bf845071e8ab2b701c07ba0786 Sha256 fc6095c6cfefef70ff331d2f8911581185b55bae2fe9d70750e769588033387d Sha384 c209d57e965124b0ec454aff4c650bc4d75e0ffe86d7a8c67d476c3ea9007f46b690c8272ba55c2d1ff0933bc563a066 Sha512 2b86d35c544d4d6ca463479ae0c1849db5682e1862b088a1a468be203a9e806044e9634bf4b58f4240734b315a7594907d96b43d7cf3bf273746eaa78b0c3547 SSDeep 6144:FxEtjPOtioVjDGUU1qfDlavx+W2QnALrQsHBGilkW8a+TJJp/vC7zoVmzV4ZeTYD:tkskWOlCAImZYMl TLSH 9734AD53B1528DC2D54C83F86D9787EA2F21EF09DA526FCB2150BF0EFB702928C1A125

17 malicious · 29 files
OFFaab36266f41c8ff7b492f6b725441f7b
BINRoot Entry
BINCompObj
BINWorkbook
BINSummaryInformation
BINDocumentSummaryInformation
BIN_VBA_PROJECT_CUR
BINPROJECT
BINPROJECTwm
BINVBA
BINdir
VBAModule1
VBS[Stored VBA]
VBS[Stored VBA].deobfuscated.vbs
VBA[PCode]
VBS[Decompiled VBA]
VBS[Decompiled VBA].deobfuscated.vbs
VBA[Full Diff]
VBA[Partial Diff]
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
VBS[Full Diff]
VBS[Partial Diff]
BIN_VBA_PROJECT
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.
5 / 5
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~T1564.007
Shape ole:doc>ole:vba
malicious 2 nodes

Trace COM ordonnée UNKNWOWNmalicious
line 4huhuhuhuhuhuhuhuhuhuhu
Trace COM ordonnée UNKNWOWNmalicious
line 2huhuhuhuhuhuhuhuhuhuhu
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17 malicious · 29 files
OFFaab36266f41c8ff7b492f6b725441f7b
BINRoot Entry
BINCompObj
BINWorkbook
BINSummaryInformation
BINDocumentSummaryInformation
BIN_VBA_PROJECT_CUR
BINPROJECT
BINPROJECTwm
BINVBA
BINdir
VBAModule1
VBS[Stored VBA]
VBS[Stored VBA].deobfuscated.vbs
VBA[PCode]
VBS[Decompiled VBA]
VBS[Decompiled VBA].deobfuscated.vbs
VBA[Full Diff]
VBA[Partial Diff]
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
VBS[Full Diff]
VBS[Partial Diff]
BIN_VBA_PROJECT

vbaDNA - VBA Stomping & Purging Stategy detection

Module Name
Module1
VBA Stomping
ATT&CK T1564.007
Malicious
Malicious Document
VBA Macro

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.

ThisWorkbook
VBA Stomping
ATT&CK T1564.007
Malicious
Malicious Document
Blacklist VBA
VBA Macro

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.
No malware configuration was found at this point.

Trace COM ordonnée UNKNWOWNmalicious
line 4huhuhuhuhuhuhuhuhuhuhu
aab36266f41c8ff7b492f6b725441f7b › Root Entry › _VBA_PROJECT_CUR › VBA › ThisWorkbook › [Decompiled VBA]
Trace COM ordonnée UNKNWOWNmalicious
line 2huhuhuhuhuhuhuhuhuhuhu
aab36266f41c8ff7b492f6b725441f7b › Root Entry › _VBA_PROJECT_CUR › VBA › ThisWorkbook › [Stored VBA]
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