gozi | 2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid

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General

Target
2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid
Size 3.7MB
Sample260905-hllrfscd44
SHA256 1fc54fcaa5c5b1a9c1a5768832778e9ea1aa996cb3f57ca983e527538fe2921d
MD5 73ea49aa5fcc4190414985359af340dc
SHA1 ac70bdaba7779ee7341299d8b15a75fa94d13754
SHA512 1ca4dab91e6dc1e91bc5c6e3e4159b06dd6b0c42d9bb19b8da60b2ec163ccd1626c2f9895defd28882d684c216f353ced634920e6d2d0c7a59f27ae3db003f3c
SSDEEP 98304:uKQG7uBNCyQ3pWlXK/DBogaCrtiAmBxscqrA/H:uxGgzXK/DBosDmfsSH
TLSH
T10706E09971D0A486E71E7FB2C5F2F589D7796022B285E7872A87411B0F103F23C5ACDA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

costura packer isfb banker trojan gozi

Malware Config

Extracted

Family

gozi

Signatures

Family: Gozi
Gozi is a well-known and widely distributed banking trojan.
banker trojan gozi

Detects executables manipulated with Fody 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Fody

Costura .NET executable packer 1 IoCs

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

resource	yara_rule
sample	costura

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid
unpack001/costura.dll

File Explorer

2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid

.exe 3.7MB
costura.dll

.dll 5KB
costura.pdb

7KB
newtonsoft.json.dll

.dll 704KB

2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 1fc54fcaa5c5b1a9c1a5768832778e9ea1aa996cb3f57ca983e527538fe2921d
MD5 73ea49aa5fcc4190414985359af340dc
SHA1 ac70bdaba7779ee7341299d8b15a75fa94d13754
SHA512 1ca4dab91e6dc1e91bc5c6e3e4159b06dd6b0c42d9bb19b8da60b2ec163ccd1626c2f9895defd28882d684c216f353ced634920e6d2d0c7a59f27ae3db003f3c
SSDEEP 98304:uKQG7uBNCyQ3pWlXK/DBogaCrtiAmBxscqrA/H:uxGgzXK/DBosDmfsSH
TLSH
T10706E09971D0A486E71E7FB2C5F2F589D7796022B285E7872A87411B0F103F23C5ACDA
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detects executables manipulated with Fody
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

Major OS version

Entry point

2446910

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

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

Detects executables manipulated with Fody
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

Major OS version

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

newtonsoft.json.dll

IMPHASH dae02f32a21e03ce65412f6e56942daa
SHA256 f0c07af0e84d4dd4da4bd7823ba4535bc0481b3bf623ed40b659b68147a6bb75
MD5 24704261e701b49b51e40c1292ed149e
SHA1 db8ce5e0b7d8c14920bc9c4eebe51bdf706e3fc6
SHA512 8ef6a6196044862a9d8d53c6a88e68d9591edf244385bc4888cb9c16c942eeb4a1689c49245d6cf80d619e95f0745898513ed2b67a6fc4c65fbc06b872f72184
SSDEEP 12288:65RsO50fsVuW3icGomHAQ/DUHIdGFRrDTOAPKfhUUNSUmTIcvABXyoJl8fCfB5qm:om2VuaOKdKSUNz0IpBXyov8fC3
TLSH
T178E45B2177FC8E16D9EF2375B430D9181BF1F956A2BAE78FA504D9A51C837918C203A3
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Detects executables manipulated with Fody
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

08:39:56:e4:21:43:4f:90:03:ee:08:ba:76:09:c5:58:d4:a5:2a:73:28:78:a1:5f:f6:46:d6:59:61:a9:2a:fb

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

SERIALNUMBER=603 389 068,CN=Json.NET (.NET Foundation),O=Json.NET (.NET Foundation),L=Redmond,ST=Washington,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130a57617368696e67746f6e,1.3.6.1.4.1.311.60.2.1.3=#13025553

Chains

Sep 16, 2025

CN=.NET Foundation Projects Code Signing CA2,O=.NET Foundation,C=US

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Subject

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Serial Number

06:ce:e1:31:be:6d:55:c8:07:f7:c0:c7:fb:44:e6:20

Issuer

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jan 15, 2021 - Jan 14, 2046

Subject

CN=.NET Foundation Projects Code Signing CA2,O=.NET Foundation,C=US

Serial Number

0a:de:32:e9:50:9b:44:aa:34:b1:da:f1:bc:0e:c8:73

Issuer

CN=DigiCert CS RSA4096 Root G5,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Jul 15, 2021 - Jul 14, 2031

Subject

Serial Number

0c:0d:22:a2:ef:64:2e:b8:88:c4:4f:a0:18:f0:0a:1b

Issuer

CN=.NET Foundation Projects Code Signing CA2,O=.NET Foundation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Nov 4, 2024 - Nov 3, 2027

Subject

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Serial Number

33:00:00:00:05:e5:cf:0f:ff:66:2e:c9:87:00:00:00:00:00:05

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Nov 19, 2020 - Nov 19, 2035

Subject

CN=Microsoft Public RSA Time Stamping Authority,OU=Microsoft America Operations+OU=nShield TSS ESN:7D00-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:4b:a1:b1:ad:e1:59:fc:e7:34:00:00:00:00:00:4b

Issuer

CN=Microsoft Public RSA Timestamping CA 2020,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Nov 26, 2024 - Nov 19, 2025

Minor OS version

Major OS version

Entry point

713798

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/Newtonsoft.Json/obj/Release/net45/Newtonsoft.Json.pdb

2026-09-04_73ea49aa5fcc4190414985359af340dc_elex_glassworm_hammertoss_icedid

mscoree

dotnet

costura.dll

mscoree

dotnet

costura.pdb

newtonsoft.json.dll

mscoree

dotnet