Static task
static1
Behavioral task
behavioral1
Sample
OverflowLoader.zip
Resource
win10v2004-20221111-en
Behavioral task
behavioral2
Sample
Guna.UI2.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
OverflowLoader.exe
Resource
win10v2004-20220812-en
General
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Target
OverflowLoader.zip
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Size
1.6MB
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MD5
ffb0cc9bc1d3ebe2950acd6035b2e443
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SHA1
2ce9c69e14edd596ad240150b01930a5efca930b
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SHA256
2f8d0c923f3d397347823ec1a943209d5fd35373d7542b8afd39535aa7e33c4c
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SHA512
3b01b58fd32fa6c0f13f55a204f92dd83f526aafac326b77118afcc25369622df582bf9643a68b64807ccf5e5445656bdddace7005adb9cb3e6e6458b5536e39
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SSDEEP
49152:09Z7n0ABoTw4cUXxs0wgKO1nFQwUeIvQJrSnHvUU:Y7Tlw3xFue3rSsU
Malware Config
Signatures
Files
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OverflowLoader.zip.zip
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Guna.UI2.dll.dll windows 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
0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9dCertificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before29-03-2022 00:00Not After14-03-2033 23:59SubjectCN=DigiCert Timestamp 2022 - 2,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
53:fe:48:3a:4e:3f:2b:3b:e3:71:7e:2b:07:d1:02:37:21:e1:7a:86Signer
Actual PE Digest53:fe:48:3a:4e:3f:2b:3b:e3:71:7e:2b:07:d1:02:37:21:e1:7a:86Digest Algorithmsha1PE Digest MatchestrueSignature Validations
TrustedfalseVerification
Signing CertificateCN=Sobatdata Software09-09-2022 03:24 Valid: false
Headers
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_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorDllMain
Sections
.text Size: 3.8MB - Virtual size: 3.8MB
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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OverflowLoader.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 614KB - Virtual size: 614KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp0 Size: 532KB - Virtual size: 532KB
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