Malicious
Malicious

cd91432e82f551fb46896b10efd5ca5d

MS Excel Document
MD5: cd91432e82f551fb46896b10efd5ca5d
Size: 641.36 KB
application/vnd.ms-excel
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MD5 cd91432e82f551fb46896b10efd5ca5d
Sha1 bfcc327ba7e787272134102d72b319cb2d63b240
Sha256 2ff2e74e466cf2c1a230ecebdb3049225d5978c8330e0f601ccf02d53a76b578
Sha384 c40522af1299ba98cab9c5393e19eb9fb964887245917ef21e7e31b8dc809a77a2f39aa7ffd5b9ae62b346621d4b0d97
Sha512 0cfab547263c75ed27fa1d873760b2750f9ba0ffe9ed5be43d055e7a3a54dcf50a3579d5329d57f1189333340fd91b3f77546470c66de6bb17eea9ee144d7aae
SSDeep 12288:CLoqH/ixOBfXh4c5zdkaFwmmtWmnAUZapIC9U/6QiaHBdDn:+zphtdsSICBFeB9
TLSH D0D42306C8B3F948C6BF583DF50C62E266DE8C115110FA8E3F61B0AC95B546F8B8A55F
[Content_Types].xml
_rels
.rels
xl
Malicious
_rels
workbook.xml.rels
workbook.xml
worksheets
sheet4.xml
_rels
sheet1.xml.rels
sheet3.xml.rels
sheet5.xml.rels
sheet6.xml.rels
sheet7.xml.rels
sheet8.xml.rels
sheet9.xml.rels
sheet12.xml.rels
sheet11.xml.rels
sheet10.xml.rels
sheet2.xml
sheet3.xml
sheet1.xml
sheet13.xml
sheet12.xml
sheet11.xml
sheet10.xml
sheet8.xml
sheet5.xml
sheet9.xml
sheet6.xml
sheet7.xml
Root Entry
Malicious
PROJECT
PROJECTwm
VBA
Malicious
dir
Sheet17
__SRP_0
__SRP_1
__SRP_2
__SRP_3
__SRP_4
__SRP_5
__SRP_6
__SRP_7
__SRP_8
__SRP_9
__SRP_a
__SRP_b
__SRP_c
__SRP_d
__SRP_e
__SRP_f
__SRP_10
__SRP_11
__SRP_12
__SRP_13
__SRP_14
__SRP_15
__SRP_16
__SRP_17
__SRP_18
__SRP_19
__SRP_1a
__SRP_1b
__SRP_1c
__SRP_1d
__SRP_1e
__SRP_1f
__SRP_20
__SRP_21
__SRP_22
__SRP_23
__SRP_24
__SRP_25
_VBA_PROJECT
drawings
drawing5.xml
drawing6.xml
_rels
drawing4.xml.rels
drawing7.xml.rels
drawing3.xml.rels
drawing2.xml.rels
drawing7.xml
drawing1.xml
drawing3.xml
drawing2.xml
drawing4.xml
media
image7.png
image7.png-preview.png
image6.png
image6.png-preview.png
image2.png
image2.png-preview.png
image5.png
image5.png-preview.png
image1.png
image1.png-preview.png
image4.png
image4.png-preview.png
image3.png
image3.png-preview.png
theme
theme1.xml
styles.xml
sharedStrings.xml
printerSettings
printerSettings4.bin
printerSettings3.bin
printerSettings8.bin
printerSettings7.bin
printerSettings6.bin
printerSettings1.bin
tables
table1.xml
calcChain.xml
customXml
_rels
item1.xml.rels
item3.xml.rels
item2.xml.rels
item1.xml
itemProps1.xml
item2.xml
itemProps3.xml
item3.xml
itemProps2.xml
docProps
custom.xml
app.xml
core.xml
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.
14 / 14
Path oox:xlsm~T1027~T1059.005~T1564.007>oox:media>img
Shape oox:xlsm>oox:media>img
malicious 3 nodes
Path oox:xlsm~T1027~T1059.005~T1564.007>bin
Shape oox:xlsm>bin
malicious 2 nodes
[Content_Types].xml
_rels
.rels
xl
Malicious
_rels
workbook.xml.rels
workbook.xml
worksheets
sheet4.xml
_rels
sheet1.xml.rels
sheet3.xml.rels
sheet5.xml.rels
sheet6.xml.rels
sheet7.xml.rels
sheet8.xml.rels
sheet9.xml.rels
sheet12.xml.rels
sheet11.xml.rels
sheet10.xml.rels
sheet2.xml
sheet3.xml
sheet1.xml
sheet13.xml
sheet12.xml
sheet11.xml
sheet10.xml
sheet8.xml
sheet5.xml
sheet9.xml
sheet6.xml
sheet7.xml
Root Entry
Malicious
PROJECT
PROJECTwm
VBA
Malicious
dir
Sheet17
__SRP_0
__SRP_1
__SRP_2
__SRP_3
__SRP_4
__SRP_5
__SRP_6
__SRP_7
__SRP_8
__SRP_9
__SRP_a
__SRP_b
__SRP_c
__SRP_d
__SRP_e
__SRP_f
__SRP_10
__SRP_11
__SRP_12
__SRP_13
__SRP_14
__SRP_15
__SRP_16
__SRP_17
__SRP_18
__SRP_19
__SRP_1a
__SRP_1b
__SRP_1c
__SRP_1d
__SRP_1e
__SRP_1f
__SRP_20
__SRP_21
__SRP_22
__SRP_23
__SRP_24
__SRP_25
_VBA_PROJECT
drawings
drawing5.xml
drawing6.xml
_rels
drawing4.xml.rels
drawing7.xml.rels
drawing3.xml.rels
drawing2.xml.rels
drawing7.xml
drawing1.xml
drawing3.xml
drawing2.xml
drawing4.xml
media
image7.png
image7.png-preview.png
image6.png
image6.png-preview.png
image2.png
image2.png-preview.png
image5.png
image5.png-preview.png
image1.png
image1.png-preview.png
image4.png
image4.png-preview.png
image3.png
image3.png-preview.png
theme
theme1.xml
styles.xml
sharedStrings.xml
printerSettings
printerSettings4.bin
printerSettings3.bin
printerSettings8.bin
printerSettings7.bin
printerSettings6.bin
printerSettings1.bin
tables
table1.xml
calcChain.xml
customXml
_rels
item1.xml.rels
item3.xml.rels
item2.xml.rels
item1.xml
itemProps1.xml
item2.xml
itemProps3.xml
item3.xml
itemProps2.xml
docProps
custom.xml
app.xml
core.xml

vbaDNA - VBA Stomping & Purging Stategy detection

Module Name
CSHA256
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.

Sheet17
VBA Macro
No malware configuration was found at this point.
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