Static task
static1
Behavioral task
behavioral1
Sample
sfavcore.dll
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
sfavcore.dll
Resource
win10v2004-20231020-en
General
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Target
aa26ee8a7a9ab835d8fc246a248ad3a8de3a89f54cbaf33f8696ddfb11388437
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Size
165KB
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MD5
01d12ec69ca9327ffbf4967ae8c11ee6
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SHA1
5a06e7612d5935c6510a7246aacd128d4d1d6e8d
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SHA256
aa26ee8a7a9ab835d8fc246a248ad3a8de3a89f54cbaf33f8696ddfb11388437
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SHA512
1bac933ae6013e62553b2c72f7a9ef2b38de6b0f1da85c133f4a2c875ccbce6ca45a48525931d1dd3a72bfd35badc019843b595f4f244939184ecf86bef70e82
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SSDEEP
3072:MKhX3/7JReB6AWqaEYYOf4bRswmWd5IDHCv3gHjoH5BUfaH8sZZYnB9:MYfNZADa7wbLmvivQH8ESqB9
Malware Config
Signatures
Files
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aa26ee8a7a9ab835d8fc246a248ad3a8de3a89f54cbaf33f8696ddfb11388437.zip
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sfavcore.dll.dll windows:5 windows x64 arch:x64
907783359788ad324ce5c431ca0d9437
Code Sign
44:e6:d1:f8:21:14:93:84:44:d0:9d:52:5a:bb:53:daCertificate
IssuerCN=Sangfor Signing CA-1,OU=www.sangfor.com,O=Sangfor Technologies IncNot Before14/03/2023, 16:00Not After12/03/2030, 16:00SubjectCN=Sangfor Technologies Inc.,OU=research and development department,O=Sangfor Technologies Inc.,L=Shenzhen,ST=Guangdong Province,C=CN08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before29/04/2021, 00:00Not After28/04/2036, 23:59SubjectCN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
09:f9:80:67:6d:7d:7e:8d:5e:b0:42:d2:df:47:78:48Certificate
IssuerCN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=USNot Before23/03/2023, 00:00Not After22/03/2026, 23:59SubjectCN=Sangfor Technologies Inc.,O=Sangfor Technologies Inc.,L=Shenzhen,ST=Guangdong Province,C=CNExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
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
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
0e: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
2d:62:80:68:a2:db:ce:59:c0:cf:cb:80:c7:53:2e:5f:8d:e3:cb:c5:f7:33:e5:94:86:ea:ac:77:76:ec:6a:c7Signer
Actual PE Digest2d:62:80:68:a2:db:ce:59:c0:cf:cb:80:c7:53:2e:5f:8d:e3:cb:c5:f7:33:e5:94:86:ea:ac:77:76:ec:6a:c7Digest Algorithmsha256PE Digest Matchestrue9e:6c:27:c3:58:64:5e:ce:84:11:76:8a:bd:d6:70:f3:73:49:4a:ccSigner
Actual PE Digest9e:6c:27:c3:58:64:5e:ce:84:11:76:8a:bd:d6:70:f3:73:49:4a:ccDigest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
sfe_autoperf
sfe_del_io_exclusions_handle
sfe_add_io_exclusions_handle
sfcorlib
WriteLogFileA
TernimateImpersonateUser
ImpersonateUserLogOn
PathToDosFormat
IsDosDevicePrefix
PathGetFileSize
PathGetReparsePoint
PathRemoveStramName
UnicodeToAnsi
CreateSystemProcessW
CreateUserProcessW
IsServiceSession
FileRwUnLockProc
RegSetDwordValueW
FileRwLockProc
RegQueryDwordValueW
PathCchCat
RegSetStringValueW
RegQueryStringValueW
WszFileExists
PathCchCombine
PathRemoveName
GetServiceImagePath
WszCreateDirectory
PathFindName
AnsiToUnicode
MD5_Final
MD5_Update
MD5_Init
FreeStr
Utf8ToUnicode
UnicodeToUtf8
WriteLogFileW
rpcrt4
UuidCreate
kernel32
FindFirstFileExA
FindClose
LCMapStringW
GetFileType
GetStdHandle
GetStringTypeW
GetModuleFileNameA
CreateFileW
GetLastError
CloseHandle
SetFilePointer
HeapAlloc
GetProcessHeap
HeapFree
LocalFree
GetCurrentThreadId
GetCurrentProcessId
SetLastError
WideCharToMultiByte
ReadFile
MultiByteToWideChar
IsBadStringPtrA
CreateFileA
Sleep
IsBadStringPtrW
GetUserDefaultUILanguage
FormatMessageW
IsBadWritePtr
HeapReAlloc
CreateEventW
OpenEventW
GetPrivateProfileIntW
GetPrivateProfileStringW
GetModuleFileNameW
GetFileAttributesW
GetFileAttributesExW
UnmapViewOfFile
OpenFileMappingW
CreateFileMappingW
MapViewOfFile
FlushViewOfFile
IsBadReadPtr
SetFilePointerEx
WaitForSingleObject
SetEvent
GetVolumeInformationW
SetThreadLocale
SetThreadUILanguage
GetProcAddress
GetModuleHandleW
GetModuleHandleExW
GetACP
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
ExitProcess
InterlockedFlushSList
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
RtlUnwindEx
RaiseException
EncodePointer
RtlPcToFileHeader
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
HeapSize
WriteFile
GetConsoleCP
GetConsoleMode
FlushFileBuffers
WriteConsoleW
DeleteFileW
IsDebuggerPresent
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
IsProcessorFeaturePresent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
user32
LoadStringW
advapi32
RegOpenKeyExW
GetLengthSid
InitializeAcl
AddAccessAllowedAce
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
FreeSid
RegCloseKey
AllocateAndInitializeSid
RegQueryValueExW
shell32
SHGetFolderPathW
ole32
CoUninitialize
CoCreateGuid
StringFromGUID2
CoCreateInstance
CoInitializeEx
wintrust
WTHelperGetProvCertFromChain
CryptCATAdminAcquireContext
WTHelperProvDataFromStateData
WinVerifyTrust
CryptCATCatalogInfoFromContext
CryptCATAdminReleaseContext
CryptCATAdminEnumCatalogFromHash
WTHelperGetProvSignerFromChain
CryptCATAdminCalcHashFromFileHandle
crypt32
CertGetNameStringW
shlwapi
StrStrIW
StrStrIA
version
VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW
Exports
Exports
CacheFileCreate
CacheFileFindKey
CacheFileFree
CacheFileInsertKey
CacheFileRemoveKey
GetVirusType
GetVirusTypeIndex
MD5_BinResultConvert
MD5_BinResultConvertW
MD5_Bytes
MD5_FileA
MD5_FileW
MD5_StrResultConvert
MD5_String
MD5_String_FileA
MD5_String_FileW
SavConfigGetDefaultIniPathA
SavConfigGetDefaultIniPathUtf8
SavConfigGetDefaultIniPathW
SavConfigGetKeyA
SavConfigGetKeyCountA
SavConfigGetKeyCountW
SavConfigGetKeyW
SavConfigGetScanTimeIniPathW
SavConfigGetStringA
SavConfigGetStringW
SavConfigGetUint64A
SavConfigGetUint64W
SavConfigGetUintA
SavConfigGetUintW
SavConfigSetStringA
SavConfigSetStringW
SavConfigSetUint64A
SavConfigSetUint64W
SavConfigSetUintA
SavConfigSetUintW
SavCreateDirectory
SavCreateProcess
SavCreateSavLaunch
SavCreateSavTray
SavCreateSavUI
SavCreateScanError
SavCreateScanInfection
SavCreateScanInfectionEx
SavDeleteMtxFile
SavEnterMtxEvent
SavEnterMtxFile
SavFormatMessageW
SavGetLaunchUIPath
SavGetMtxFilePath
SavGetProductConfigPath
SavGetProductId
SavGetProductPath
SavGetRiskLevel
SavGetUIPath
SavIniGetString
SavIniGetUint64Ex
SavIniGetUintEx
SavIniSetString
SavIniSetUint64Ex
SavIniSetUintEx
SavIsMtxEventRunning
SavIsMtxFileExist
SavLeaveMtxEvent
SavLeaveMtxFile
SavMemAlloc
SavMemFree
SavMemRealloc
SavRegGetDwordValue
SavRegGetStringValueW
SavRegSetDwordValue
SavRegSetStringValueW
SavSetPrivilegeAttribute
SavStrDupA
SavStrDupW
SavVerifyTrustA
SavVerifyTrustW
SoAddOrDelIoFilter
SoCheckScanFileType
SoCleanFile
SoCloseScanFile
SoCloseScanFileMap
SoCreateFileMap
SoCreateFileMapEx
SoCreateFileMapFromBuffer
SoCreateScanFile
SoCreateScanObject
SoCreateScanObjectEx
SoDbgLoggerScanResult
SoDeleteEventHandle
SoDeleteScanObject
SoGetCopyCacheFileName
SoGetFindType
SoGetHighCheckOutMode
SoGetLocalScanResult
SoGetScanExtInfo
SoGetScanFile
SoGetScanFileCreationTime
SoGetScanFileDrvLastWriteTime
SoGetScanFileIsArchiveSubFile
SoGetScanFileLastWriteTime
SoGetScanFileMapAddress
SoGetScanFileMd5
SoGetScanFileMd5Ntfs
SoGetScanFileSize
SoGetScanHandleMode
SoGetScanIsAutoHandle
SoGetScanIsHandle
SoGetScanObjectFileHandle
SoGetScanObjectFileMapName
SoGetScanObjectFileMapSize
SoGetScanObjectFileSystem
SoGetScanObjectName
SoGetScanObjectType
SoGetScanResult
SoGetStrictMode
SoGetSubFileCount
SoGetSubFileResults
SoIsDevenvMod
SoIsIoFilter
SoReadNtfsScanFile
SoReadNtfsScanFileEx
SoReadScanFile
SoReferenceScanObject
SoReleaseScanObject
SoSetCopyCacheFileName
SoSetDevenvMod
SoSetFindType
SoSetHighCheckOutMode
SoSetIoFilter
SoSetLocalScanResult
SoSetScanComplete
SoSetScanExtInfo
SoSetScanFileDrvLastWriteTime
SoSetScanFileIsArchiveSubFile
SoSetScanFileMd5
SoSetScanFileType
SoSetScanHandleMode
SoSetScanIsAutoHandle
SoSetScanIsHandle
SoSetScanObjectFileSystem
SoSetScanResult
SoSetStrictMode
SoSetSubFileResults
SoTransPathToDosFormat
SoValidateScanFileMd5
SoVerifyTrust
SoWaitForScanComplete
UserSessionToSetLang
Sections
.text Size: 201KB - Virtual size: 201KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 88KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 27KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 224B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ