b1bfce96650b0dd5546228246c06bd748c30cf87242fe23f192aad4563d52c3d

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General

Target

b1bfce96650b0dd5546228246c06bd748c30cf87242fe23f192aad4563d52c3d
Size

5.7MB
MD5

0aa61c81727958dc80f7a06d205a3849
SHA1

91f04ec3568d7d922ed3bccb0f7deeb724d90c26
SHA256

b1bfce96650b0dd5546228246c06bd748c30cf87242fe23f192aad4563d52c3d
SHA512

1e34e01fc6ddfca6ac90f4cf383f9a07410cedff0bc1bcf9330565ffac1e977d61a67373c350b0e6fb1aafddc491dc42a579300f647044d3f3b02fdc60911a76
SSDEEP

98304:pwiQ7+aHgGhalsfK+L6pyulr4aqScO2k9D:rQ7+4WquNHv

Score

3^/10

Malware Config

Signatures

Embeds OpenSSL 1 IoCs

Embeds OpenSSL, may be used to circumvent TLS interception.

resource	yara_rule
sample	embeds_openssl

Files

b1bfce96650b0dd5546228246c06bd748c30cf87242fe23f192aad4563d52c3d
.exe windows:6 windows x86 arch:x86

3ade5ad9c836693b0cb7d40b3b04af72

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0a:b5:35:26:dd:9e:3f:80:81:49:52:e2:12:ff:b1:c4
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

30/08/2022, 00:00

Not After

02/10/2025, 23:59

Subject

CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=成都市,ST=四川省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

8b:30:a6:f0:a9:9f:84:c2:5f:18:70:fc:61:8a:c3:f1:69:47:09:b3:0b:6c:2a:c3:ff:a7:08:36:a8:c5:27:99
Signer

Actual PE Digest

8b:30:a6:f0:a9:9f:84:c2:5f:18:70:fc:61:8a:c3:f1:69:47:09:b3:0b:6c:2a:c3:ff:a7:08:36:a8:c5:27:99

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CreateIoCompletionPort
FormatMessageA
GetTempFileNameW
SleepEx
lstrcpyW
WideCharToMultiByte
DeleteCriticalSection
LocalFree
QueueUserAPC
CloseHandle
GlobalAlloc
TerminateThread
SetEvent
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetLocaleInfoW
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
HeapFree
HeapAlloc
HeapSize
HeapReAlloc
GetConsoleOutputCP
GetModuleFileNameW
GetTimeZoneInformation
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
SetFilePointerEx
SetStdHandle
SetConsoleCtrlHandler
FreeLibraryAndExitThread
ExitThread
ExitProcess
LoadLibraryExW
GetLastError
FormatMessageW
Sleep
CreateEventW
PostQueuedCompletionStatus
WaitForSingleObject
FindClose
GetTempPathW
GetEnvironmentVariableW
GetQueuedCompletionStatus
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
WaitForMultipleObjects
CreateWaitableTimerW
lstrlenW
EnterCriticalSection
SetLastError
SetWaitableTimer
FindFirstFileW
WriteConsoleW
GetFileAttributesW
CreateFile2
MultiByteToWideChar
IsValidCodePage
GetACP
GetOEMCP
CreateFileA
CreateFileW
GetFileAttributesA
GetFileInformationByHandle
GetFileType
GetFullPathNameW
ReadFile
WriteFile
PeekNamedPipe
GetExitCodeProcess
GetStdHandle
SearchPathA
DuplicateHandle
SetHandleInformation
CreatePipe
GetCurrentProcess
CreateProcessA
OpenProcess
GetProcAddress
LoadLibraryA
InitializeSRWLock
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
GetCurrentThreadId
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
GetModuleHandleW
InitializeCriticalSection
ReleaseSemaphore
GetExitCodeThread
CreateSemaphoreA
GetSystemInfo
VirtualFree
GetCurrentProcessId
GetSystemTimeAsFileTime
GetSystemTime
SystemTimeToFileTime
GetSystemDirectoryA
FreeLibrary
LoadLibraryW
FindNextFileW
GetConsoleMode
SetConsoleMode
ReadConsoleA
ReadConsoleW
QueryPerformanceCounter
GetTickCount
InitializeCriticalSectionEx
QueryPerformanceFrequency
GetSystemDirectoryW
GetModuleHandleA
MoveFileExW
WaitForSingleObjectEx
GetEnvironmentVariableA
VerSetConditionMask
VerifyVersionInfoW
GetFileSizeEx
PulseEvent
GetDiskFreeSpaceW
SetFilePointer
GetVersion
GetVersionExW
FlushFileBuffers
DeleteFileW
MoveFileW
CreateFileMappingW
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
SetEndOfFile
SignalObjectAndWait
ResetEvent
ReleaseMutex
CreateMutexW
CreateThread
LockFile
LockFileEx
UnlockFile
RaiseException
GetLocaleInfoEx
GetStringTypeW
GetCurrentDirectoryW
FindFirstFileExW
GetFileAttributesExW
AreFileApisANSI
GetFileInformationByHandleEx
EncodePointer
DecodePointer
LCMapStringEx
TryAcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
CompareStringEx
GetCPInfo
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlUnwind
CreateDirectoryW

user32

MessageBoxA
GetCursorPos
MessageBoxW
GetUserObjectInformationW
GetProcessWindowStation
GetSystemMetrics

shell32

ShellExecuteW

ws2_32

inet_ntop
inet_pton
WSAWaitForMultipleEvents
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
sendto
recvfrom
getpeername
shutdown
socket
setsockopt
listen
connect
closesocket
ntohl
WSAIoctl
send
recv
WSASetLastError
__WSAFDIsSet
getaddrinfo
freeaddrinfo
getservbyname
getservbyport
gethostbyaddr
inet_ntoa
inet_addr
htons
htonl
WSAGetLastError
gethostbyname
select
ntohs
getsockopt
getsockname
ioctlsocket
WSACleanup
WSAStartup
gethostname
WSARecv
accept
WSASend
bind

bcrypt

BCryptGenRandom

shlwapi

PathFileExistsW

crypt32

CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertDuplicateCertificateContext
CertFreeCertificateContext
CertGetCertificateContextProperty
CertOpenSystemStoreW
CryptStringToBinaryW
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringW
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain

advapi32

CryptReleaseContext
CryptCreateHash
CryptDestroyHash
CryptSignHashW
CryptEnumProvidersW
CryptGetHashParam
CryptHashData
CryptImportKey
CryptEncrypt
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
CryptDestroyKey
CryptAcquireContextW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
CryptGenRandom
CryptDecrypt

Sections

.text
Size: 4.6MB - Virtual size: 4.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 822KB - Virtual size: 822KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 22KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 163KB - Virtual size: 163KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3ade5ad9c836693b0cb7d40b3b04af72

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0a:b5:35:26:dd:9e:3f:80:81:49:52:e2:12:ff:b1:c4Certificate

Extended Key Usages

Key Usages

8b:30:a6:f0:a9:9f:84:c2:5f:18:70:fc:61:8a:c3:f1:69:47:09:b3:0b:6c:2a:c3:ff:a7:08:36:a8:c5:27:99Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

ws2_32

bcrypt

shlwapi

crypt32

advapi32

Sections

.text Size: 4.6MB - Virtual size: 4.6MB

.rdata Size: 822KB - Virtual size: 822KB

.data Size: 22KB - Virtual size: 38KB

.rsrc Size: 57KB - Virtual size: 57KB

.reloc Size: 163KB - Virtual size: 163KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0a:b5:35:26:dd:9e:3f:80:81:49:52:e2:12:ff:b1:c4
Certificate

8b:30:a6:f0:a9:9f:84:c2:5f:18:70:fc:61:8a:c3:f1:69:47:09:b3:0b:6c:2a:c3:ff:a7:08:36:a8:c5:27:99
Signer

.text
Size: 4.6MB - Virtual size: 4.6MB

.rdata
Size: 822KB - Virtual size: 822KB

.data
Size: 22KB - Virtual size: 38KB

.rsrc
Size: 57KB - Virtual size: 57KB

.reloc
Size: 163KB - Virtual size: 163KB