Behavioral task
behavioral1
Sample
Guna.UI2.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Guna.UI2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Loader.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Loader.exe
Resource
win10v2004-20240426-en
General
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Target
Loader V8.rar
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Size
14.3MB
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MD5
63082effd90e9df9029a93e71d750a51
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SHA1
e0f1d7678d6bd4c09dc706759879e1c21d549735
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SHA256
ecace832b0e30b5a54e6af43bd5a990ba0ffd4ecd549b6ca6597332f073579e3
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SHA512
03a96212b1b9b4bf41cf2092362953634c4a4d7b98a1d1265f27ee8e27795d733e2dc658f33c2f03e009da392ee40c474f2696f232e142f7f3b319dde29f13cf
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SSDEEP
393216:7LvZWVmMbSOCZzG5KaDy1NqumrBknduQ3FS24N9+V3:fvQIMb2ZzMxuckUQ3j09g
Malware Config
Signatures
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AgentTesla payload 1 IoCs
Processes:
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.
Processes:
resource unpack001/Loader.exe
Files
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Loader V8.rar.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
47:b4:cf:f5:c2:a1:e0:36:e9:3f:b8:c2:44:a0:df:33:c2:26:10:62Signer
Actual PE Digest47:b4:cf:f5:c2:a1:e0:36:e9:3f:b8:c2:44:a0:df:33:c2:26:10:62Digest 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: 2.1MB - Virtual size: 2.1MB
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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Loader.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
E:\Temp\Custom\Rebuild 8\obj\Debug\Loader.pdb
Imports
mscoree
_CorExeMain
Sections
.text Size: 30.5MB - Virtual size: 30.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 9KB - Virtual size: 8KB
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