Behavioral task
behavioral1
Sample
User/Guna.UI2.dll
Resource
win10v2004-20240802-en
General
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Target
winrar.rar
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Size
3.9MB
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MD5
a496604299c3d81aedd9f911d7b27487
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SHA1
d63666c8189520fecbc7ac95956a0fbfd0278d2e
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SHA256
e71413575af86b8c0ace50cc57c578058a35548500b66ecf366da15461ec0d94
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SHA512
072a867591b74556d5f78b22bae73354869c73f5b70d7430d630cc8648c2a62d131003aded19a5e7fb2f0b196fcd0d8ace9e4ba8cb72dcc5e667bc5f53749dcc
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SSDEEP
98304:BCZdDEfJodfdWlaoU7HzCm14iGEp5m9VUke0BmOey3C:BCZdAfJopmstGEpt7yC
Malware Config
Signatures
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AgentTesla payload 1 IoCs
resource yara_rule static1/unpack001/User/Guna.UI2.dll family_agenttesla -
Agenttesla family
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resource yara_rule static1/unpack001/User/VC_redist.x64.exe themida -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/User/VC_redist.x64.exe
Files
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winrar.rar.rar
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User/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
0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before21-09-2022 00:00Not After21-11-2033 23:59SubjectCN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
eb:28:9f:61:a9:38:f8:0c:d8:7b:4b:ff:03:60:8e:23:c4:31:b5:dfSigner
Actual PE Digesteb:28:9f:61:a9:38:f8:0c:d8:7b:4b:ff:03:60:8e:23:c4:31:b5:dfDigest 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: 1.9MB - Virtual size: 1.9MB
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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User/VC_redist.x64.exe.exe windows:4 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
Size: 15KB - Virtual size: 48KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.themida Size: - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.boot Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ