Cravex[.]Bootstrapper[.]exe

resource	yara_rule
sample	costura

resource
Cravex.Bootstrapper.exe
unpack001/costura.dll
unpack001/sharpcompress.dll
unpack001/zstdsharp.dll

Cravex.Bootstrapper.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 2cf98ae3070103beee86baf0dc586168970cd487bf6fcb29d01c517598a81d18
MD5 3219145b584243190b539e45edfe4b92
SHA1 06e4128ff00879df982d1ae9e00986cf6739af8a
SHA512 86a3699ce5dd9d48ae645af4858ff158a7f3d44edd9b1a77ba37dd3bf4a1548bc167f535fe7c0bdfa6d0303972e0de15413559262bd39bc1f7dd11cf71f81391
SSDEEP 24576:59c0yMkgYWL5z96mJ35BEjNUfjDWVdutHsb692saYrLhZpg4eGo0Rck:Tc0yMkgDpJnE6OdutHpdaY3vz5
TLSH
T1B755332CE5A43D05E633C87CEEF8B65397D2A747E953492CE94C12441AE338E617AB07
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer
Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

0

Major OS version

4

Entry point

1345518

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

C:\Users\phili\source\repos\Cravex Bootstrapper\Cravex Bootstrapper\obj\Debug\Cravex Bootstrapper.pdb

costura.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 7a9e767ad824afa2c1b0aed513fe1cf2b8dac6d40f24e7c4075af32b1cf23a20
MD5 109bd38d2107f41573c48544992ead99
SHA1 028e9832f421f11f9497c610f1734e0f3d868037
SHA512 459945f338679c77acca8f1192907cd3ce8e19f270589d34ce8227b8eaf0c7c8c9922e52b8310d037c4d5c0c639de42a6e3b0f7d44d493fc50644b6fcf7cd4e5
SSDEEP 48:6gMX2nhx3BTjtRiaAVLEP4iZ6iMtTg70uElaQ40JFuUPtomCH9gWk1qyFVA2IbS:HHtRYVLEmYZEZ9ruUPqJmW/2
TLSH
T10BB1FB2867B8573BEF7B4BB65863534257B4B950CC279B1F0985B3166C223544931732
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

11030

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

C:\CI_WS\Ws\274459\Source\Costura_Fody\src\Costura\obj\Release\netstandard2.0\Costura.pdb

costura.pdb

SHA256 fbb47bfd057253e9461bc7fe661eb8ad273451782f3e227b8db8f88b54cea186
MD5 dd3394a0ba6f7158d029e1c3a31b7a85
SHA1 806f4c19b2d7fd9e3b836269ec07647019a29e95
SHA512 2fbedae58d16bfe20954094e5c7541e1b25310107571e94f7bea35b2217aa634197ef147afb9ffbd9c59aa0f7e209cf2a97349c3503077758502bf7a776e2575
SSDEEP 192:yMD/wix+PI6jMai+NLy5nj4SCBg5MRkCIFQkC8g7AHOuXk/N/8Hu04:y8YPI6jMai+NLy5nj4SCm5Mz6QkOAHO/
TLSH
T1A4F1B33F5748C463C89959720521C49CB6B343202670ED78F3DB2608EDAF69AC7B5772
MD5 SHA1 SHA512 SSDEEP TLSH

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

microsoft.bcl.asyncinterfaces.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 b0e3846b989ce190d3472567054187669b648b962dab20472f54a3bfda1fb207
MD5 b41ba6564524142df7ea826880af633a
SHA1 64401b328b8363a45492a3dfba4f96decff02802
SHA512 37aa9490aef6fc8572be307b9637b60c2e3e3073e7ecdc7cf701dfaeda120589f6a6ab01f9cfd7d5c0de5778649e7f7bd40cf53b3ed26e49581b2db4c9c2cae2
SSDEEP 768:HuwIOTx+Z22LwJoFUC1l3DjFwGOrF9zv0uTV:HlL9+lwiFL1lnFyLzMaV
TLSH
T19ED26C21D35C8327CEAF2FB5ED65D5812E78E3862C32D63E1648F6551C97748A731238
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

7a:d8:60:fa:dd:06:a8:65:02:d6:6e:71:8c:08:2c:e3:9f:10:b1:ae:59:b1:e5:bd:dc:03:5a:e5:7d:60:9a:63

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Nov 19, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

22682

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/src/runtime/artifacts/obj/Microsoft.Bcl.AsyncInterfaces/Release/net462/Microsoft.Bcl.AsyncInterfaces.pdb

sharpcompress.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 9c5243c2ad58b059b7f3c2855eb0697b2fa51fb571595600f48a96866020339a
MD5 b759932c31d6a6b2ec7efc3f02262150
SHA1 1601c9ac0f87fb1eaf867b5ed24830151efe946a
SHA512 12dcf05f6d39d85ba28f18ab99b5e5f79d0eed489d702c2e930d902ea10209a6065fd8235f6594685adefcb62ef59b21e65bfd6321380382fac12e3e547226b8
SSDEEP 12288:KDZC6y+V/mGNBmQ6Ds/h14HoAyc4HS5kK8c8cKcACL7ih1PtoWh+Eduhph3oelJ:KD1ywmGNBYDA+oAJVcQR33PlJ
TLSH
T19625AF1037EC9B3BE6EF9371A022595D83F9D0179696FB8F6848E9D22C577588D002B3
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

974366

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

SharpCompress.pdb

system.buffers.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 2d78d770c9cb997199154ae8c018b9f1d1efbc86729f7264dde6dbad2a12cac3
MD5 902760412abffbd10be14842e83f0c09
SHA1 d87680e1a96549cf45506d17566ec08c27a770d8
SHA512 016a283723e32eedaa3b3c6d92bbd0d4c4d2663ab0f0b74bda56d6d2d742632ea0005b3c0c982ca77dd152b839deed0af07228172f059c9e0840e31b530bd0f2
SSDEEP 384:7RJyzxhqFAB5n55560IZplFuA6ccxReXWd2WkRnfLXmztvGHRN7LgFA9bFs0R9zJ:FJyYkx60InTuP0njQtaUFQZs49zUS
TLSH
T187B27C11D79C422ADE7F1A716AF9DA862E3983C16102E66F144CF5040EE37C9DB31BB8
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

be:68:48:ae:8e:63:d0:cc:97:89:10:b1:45:84:7f:68:66:d0:47:4a:08:eb:2a:b6:89:66:c1:09:09:16:a3:9e

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Mar 19, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

18706

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/artifacts/obj/System.Buffers/Release/net462/System.Buffers.pdb

system.memory.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 d5e8e4866f9cfa66f7765660f84b210198893e55335487afe5ebda342c0e913d
MD5 bd7f42207f4fdb9c7eafb0013abd7334
SHA1 96c87b7148805a0adcd4b9e23162deb06d7a4702
SHA512 a903fda3c5585af8978918c6fa5dd7649e84bee41d0dfa09667e151819d74e16cff626595eb9760588bec12c0b8ec31f527e7dc84800378683156309c3247240
SSDEEP 3072:IPgSRYPuMbrhcabqwwwUumu36xNOIRJAW:OuPaaWwww4u2HX
TLSH
T161E35CBC67C6DD12CB5F8C70A028621A5A31873FAD43F7E615C8E4F425A37A936193D2
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

ae:a3:86:d1:9b:06:39:d7:1c:ad:68:32:06:75:f7:af:5a:40:e4:f5:66:01:12:56:75:99:3b:c7:18:c3:38:64

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Apr 3, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

138594

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/artifacts/obj/System.Memory/Release/net462/System.Memory.pdb

system.numerics.vectors.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 20c2fa81b8c70d651099d762954f285fd4f942e63b2d7217c145dab8d4b2f4c9
MD5 a57f205ce75d4e4a19020e8b627469c4
SHA1 c5583c3257cf193ff4736671445f8da64366a6a1
SHA512 6b5985cb7ae4daecd1be3d6dbc709171ec94b89c0671aec1dc7288e08f5fe172900be75da1c43b75fff37504a33e7f8992c66581e562397f47e2ef2cefb46b54
SSDEEP 1536:2uIaashZlF/cLecJE3+DWG/E2NstmOz+IAKvR7NQcmzF9:2zaashZzWeca3+DWG/E2itDf9NQ7J9
TLSH
T147B3DFE22F6C655AD7CF9F7B20E64E120B331963C403D2E160DC67A227A776729421E7
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

0f:80:90:1b:17:38:ec:61:65:dd:0a:c6:a3:dc:d4:0b:33:38:e1:79:30:66:08:69:e4:67:38:b9:b5:4b:38:aa

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Mar 19, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

105250

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/artifacts/obj/System.Numerics.Vectors/Release/net462/System.Numerics.Vectors.pdb

system.runtime.compilerservices.unsafe.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 08cbd7278b66f1e68425a82d4b97181a4130d93e3dd91831407aba7212ccdacf
MD5 cb5b861883d2bddd9833c9fe956406f7
SHA1 43290cd4aaf80df5d1cf9f242486ef8e646fddda
SHA512 79de2065d8af3713662afb2a10e0a62c0821920608cc63cc2a47a09dc7bb6baf1fa71612da3ebe22d410ddc92fe52c0261faa019839d241fe9252d1663f4f4c1
SSDEEP 384:RGbUedrbbxT4WT2WCwnHRN7bEpGR9z04yy:RGpd1R3XbEY9z
TLSH
T1F0827C24C7E44503FE627F3485ACE543BE3893960902D72B2582F57A0C973D8AE35A2C
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

e9:bd:64:c2:63:64:c7:c2:51:d3:cc:93:e1:f1:65:00:fd:e6:b6:bc:8e:9f:5a:34:69:8b:2a:49:55:41:8b:92

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Apr 3, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

14046

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

D:\a\_work\1\s\artifacts\obj\System.Runtime.CompilerServices.Unsafe\Release\net462\System.Runtime.CompilerServices.Unsafe.pdb

system.text.encoding.codepages.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 66fb0b0ead329ad7fc5578a6d38d64f2c3af850ea137223d6b92c3aeccd93aba
MD5 1b670491568fec8905808c0b043c36be
SHA1 ee52e8912252b3f723990e8a3d33ed58aa5fbe3b
SHA512 69aedae8927c341f847fd612329358bd0523b3a24fb37a6665d50a48ffb840b03e9b7a7cc9016405f92a2ea47e167d87a85df463ea474f387887855113caae09
SSDEEP 12288:0CW7xn7kZQ6kliVreJIHHr0tRYbKr2KtG9VKABC6ra7:9Y9km6k/IwRYbiBeKGCH7
TLSH
T18FF49DA0A6A55B17F9FBCE3097F13012CAF6BC567E02482B7952534684D3BF019D4B2B
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

6b:cd:e4:ed:69:f0:9b:9b:21:bb:c1:ec:66:3d:f7:e3:32:1f:e2:65:fc:aa:d0:a6:c7:f6:10:a0:ff:00:c1:cb

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Nov 19, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

751530

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/src/runtime/artifacts/obj/System.Text.Encoding.CodePages/Release/net462/System.Text.Encoding.CodePages.pdb

system.threading.tasks.extensions.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 af4e13ef418fd89b432de20cd1dfb7fa10a7179c8dd049c9856316e50c5949ca
MD5 0fff41795a1107691ec1e5054211c04a
SHA1 3439da9b7918fa0c17836acbe1fa4e05c40119ec
SHA512 1333847b76025af23a4a4dd421707732078673c96dcdb726a38b477c51606395002574fbcdbf224fd0ae5b80e8da8b2f02dd4972d88f31c36c3dcbf595510e90
SSDEEP 384:F7PVBSE/ug12sib05JCw0p8CUQefpnQKwU3RymGWuXWJwnHRN7rpGR9z04RI:9PV0iug12TY+bUKmGfXrY9z1
TLSH
T15FC28D6183B85113CF6F8E77D2A9CC175F74A3466A02E7391AECF2D40C5338A8A31275
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer

Digest

16:d8:01:cf:fd:de:8b:33:89:18:e1:8b:1f:5e:60:e2:48:88:65:aa:1b:f1:2d:69:fc:ae:73:d7:f9:1a:25:e3

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Chains

Apr 3, 2025

CN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Minor OS version

0

Major OS version

4

Entry point

22842

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

/_/artifacts/obj/System.Threading.Tasks.Extensions/Release/net462/System.Threading.Tasks.Extensions.pdb

zstdsharp.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 654aa27c8f70c821d2d8402db95c313a8451b2a2264bf51d7ffc9e195befe22a
MD5 8cca1043f46f6541806e8843523f3d88
SHA1 acb7a6abfb0af7d54435e28229d5c3e9064338f3
SHA512 1159c6d5ad8d92c56b8a10364df66d912c83acdb633801ca835098be02f79412cbf4b55c857608876f77e6a40deff3742d0af2905aee02b18c07c93bdeb639ba
SSDEEP 6144:JUOIhcaQEJ6R60uCOTGJoQlnRGXXmaTP1tdUT3Uq7ChNV7DxghKEDV:9CR8UCo3j1e8j/x
TLSH
T1E3945E3BA38D5AB1E64F43F38560442E62ABB124E993B7437DD44E646C4BBD4DC04AC7
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Costura .NET executable packer

Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

costura packer
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

433550

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

C:\Work\c#\ZstdSharp.v2\src\ZstdSharp\obj\Release\net462\ZstdSharp.pdb

Cravex.Bootstrapper.exe

mscoree

dotnet

costura.dll

mscoree

dotnet

costura.pdb

microsoft.bcl.asyncinterfaces.dll

mscoree

dotnet

sharpcompress.dll

mscoree

dotnet

system.buffers.dll

mscoree

dotnet

system.memory.dll

mscoree

dotnet

system.numerics.vectors.dll

mscoree

dotnet

system.runtime.compilerservices.unsafe.dll

mscoree

dotnet

system.text.encoding.codepages.dll

mscoree

dotnet

system.threading.tasks.extensions.dll

mscoree

dotnet

zstdsharp.dll

mscoree

dotnet

Sharing

General

Malware Config

Signatures

File Explorer

Cravex.Bootstrapper.exe

mscoree

dotnet

costura.dll

mscoree

dotnet

costura.pdb

microsoft.bcl.asyncinterfaces.dll

mscoree

dotnet

sharpcompress.dll

mscoree

dotnet

system.buffers.dll

mscoree

dotnet

system.memory.dll

mscoree

dotnet

system.numerics.vectors.dll

mscoree

dotnet

system.runtime.compilerservices.unsafe.dll

mscoree

dotnet

system.text.encoding.codepages.dll

mscoree

dotnet

system.threading.tasks.extensions.dll

mscoree

dotnet

zstdsharp.dll

mscoree

dotnet