Behavioral task
behavioral1
Sample
Guna.UI2.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Guna.UI2.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
WindowsFormsApp18.exe
Resource
win7-20240708-en
General
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Target
7a750afb033321a6f6437908c45d67b4df21b29aa1c94c523f45126fa98c8d7f
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Size
889KB
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MD5
b7b4774059eb8308491cff852a2a0fde
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SHA1
c1ec3d63011e74cbd44733dd4d24050cc338f133
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SHA256
7a750afb033321a6f6437908c45d67b4df21b29aa1c94c523f45126fa98c8d7f
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SHA512
168fa3ad1208fc937b3bdc9fca12ba5506bdf10b42e7a8f9249ca4253951f1e51e0d19c0d57cd31987f9bbe5914c09d95ee61d543483206063ea0ebe9de14a09
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SSDEEP
24576:t/MsL9Xd+/KriwPyQ7oLcFd9KdVIhQ3Lz0Unh2oC5:t0s9N+Kriw6QELcFEZ7zkZ
Malware Config
Signatures
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AgentTesla payload 1 IoCs
resource yara_rule static1/unpack001/Guna.UI2.dll family_agenttesla -
Agenttesla family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/WindowsFormsApp18.exe
Files
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7a750afb033321a6f6437908c45d67b4df21b29aa1c94c523f45126fa98c8d7f.rar
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Guna.UI2.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
7a:98:1b:7d:3e:b4:86:bb:45:84:c4:3c:c9:a8:3f:dbCertificate
IssuerCN=Sobatdata Root CANot Before23/10/2019, 05:22Not After22/10/2025, 17:00SubjectCN=Sobatdata Software0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
51:85:2a:c3:53:87:5a:c8:6e:df:5c:75:c9:c6:c7:dc:b9:6d:bd:99Signer
Actual PE Digest51:85:2a:c3:53:87:5a:c8:6e:df:5c:75:c9:c6:c7:dc:b9:6d:bd:99Digest Algorithmsha1PE Digest MatchestrueHeaders
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
Imports
mscoree
_CorDllMain
Sections
.text Size: 2.0MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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WindowsFormsApp18.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
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
PDB Paths
C:\Users\sydne\source\repos\WindowsFormsApp18\WindowsFormsApp18\obj\Debug\WindowsFormsApp18.pdb
Imports
mscoree
_CorExeMain
Sections
.text Size: 238KB - Virtual size: 237KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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WindowsFormsApp18.exe.config
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WindowsFormsApp18.pdb
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old_serials.txt