Okta-Verify-Windows[.]exe

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General

Target

Okta-Verify-Windows.exe
Size

9.1MB
MD5

05c2bbf565f969dfb948bca76bbcac34
SHA1

04d52e29186436d72a7f9f2229c87cd2ae3f12eb
SHA256

5879bcbc293a6278d57fcb61b40bc7f3b351be4307cf888769d726d603033a1b
SHA512

84a23989ccae2f59ee94fae5fca489857da408d098eec6fa5ba260fb1b74a27d2751643a099f955674dce788b6a1cd7b8a7a5b613565c258e7fcc4e2f6c02097
SSDEEP

98304:Jp6TGLk2++Kx1Z6B+SvmgFG4CL1My2x/rc7JfP31Ui+VYY:f14/6BhkA0H1Ui

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Okta-Verify-Windows.exe

Files

Okta-Verify-Windows.exe
.exe windows:4 windows x64 arch:x64

a482357f8f3c1a5b06c30065f5597b5d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

FreeLibrary
GetSystemDirectoryA
LoadLibraryA
AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CancelIo
CancelIoEx
CloseHandle
CompareStringOrdinal
ConnectNamedPipe
ConvertFiberToThread
ConvertThreadToFiberEx
CopyFileExW
CreateDirectoryW
CreateEventA
CreateEventW
CreateFiberEx
CreateFileA
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
CreateWaitableTimerExW
DeleteCriticalSection
DeleteFiber
DeleteFileW
DeleteProcThreadAttributeList
DeviceIoControl
DisconnectNamedPipe
DuplicateHandle
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
GetACP
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetNamedPipeInfo
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetQueuedCompletionStatusEx
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetTimeZoneInformationForYear
GetVersion
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeConditionVariable
InitializeCriticalSection
InitializeProcThreadAttributeList
InitializeSRWLock
IsWow64Process
LeaveCriticalSection
LocalFree
MapViewOfFile
Module32First
Module32FirstW
Module32NextW
MoveFileExW
MultiByteToWideChar
OpenProcess
PostQueuedCompletionStatus
Process32First
Process32Next
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleA
ReadConsoleW
ReadFile
ReadFileEx
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
SetConsoleMode
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileCompletionNotificationModes
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SleepConditionVariableCS
SleepConditionVariableSRW
SleepEx
SwitchToFiber
SwitchToThread
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TryEnterCriticalSection
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualLock
VirtualProtect
WaitForMultipleObjects
WaitForSingleObject
WaitNamedPipeA
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
WriteFileEx
GetTimeZoneInformation
IsDBCSLeadByteEx
IsProcessorFeaturePresent
RaiseException
RtlUnwindEx
VirtualQuery
__C_specific_handler

advapi32

AddAccessAllowedAceEx
AddAccessDeniedAceEx
AddAce
AddAuditAccessAceEx
AddMandatoryAce
AdjustTokenPrivileges
ConvertSidToStringSidW
ConvertStringSidToSidW
CopySid
CryptAcquireContextW
CryptDestroyKey
CryptGenRandom
CryptReleaseContext
DeregisterEventSource
EqualSid
GetAce
GetAclInformation
GetLengthSid
GetNamedSecurityInfoA
GetNamedSecurityInfoW
GetSidSubAuthority
GetSidSubAuthorityCount
GetTokenInformation
GetUserNameW
InitializeAcl
IsValidAcl
IsValidSid
LookupAccountNameW
LookupAccountSidA
LookupPrivilegeNameA
LookupPrivilegeValueW
OpenProcessToken
RegisterEventSourceW
ReportEventW
SetNamedSecurityInfoW
SystemFunction036

ncrypt

NCryptFreeObject

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoUninitialize

oleaut32

SafeArrayAccessData
SafeArrayDestroy
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayUnaccessData
SysAllocStringLen
SysFreeString
VariantClear

secur32

FreeContextBuffer

userenv

GetUserProfileDirectoryW

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSAIoctl
WSAPoll
WSARecv
WSARecvFrom
WSASend
WSASendMsg
WSASendTo
WSASetLastError
WSASocketW
WSAStartup
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostbyname
getpeername
getsockname
getsockopt
ioctlsocket
listen
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket
gethostbyaddr
getservbyname
getservbyport
htonl
htons
inet_addr
inet_ntoa

bcrypt

BCryptCloseAlgorithmProvider
BCryptCreateHash
BCryptDecrypt
BCryptDeriveKey
BCryptDestroyHash
BCryptDestroyKey
BCryptDestroySecret
BCryptEncrypt
BCryptExportKey
BCryptFinalizeKeyPair
BCryptFinishHash
BCryptGenRandom
BCryptGenerateKeyPair
BCryptGetProperty
BCryptHashData
BCryptImportKey
BCryptImportKeyPair
BCryptOpenAlgorithmProvider
BCryptSecretAgreement
BCryptSetProperty
BCryptSignHash
BCryptVerifySignature

crypt32

CertAddCertificateContextToStore
CertAddEncodedCTLToStore
CertAddEncodedCertificateToStore
CertCloseStore
CertCreateCTLEntryFromCertificateContextProperties
CertCreateCertificateContext
CertDeleteCertificateFromStore
CertDuplicateCertificateChain
CertDuplicateCertificateContext
CertDuplicateStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCTLContext
CertFreeCertificateChain
CertFreeCertificateContext
CertGetCertificateContextProperty
CertGetEnhancedKeyUsage
CertOpenStore
CertOpenSystemStoreW
CertSetCertificateContextProperty
CertVerifyTimeValidity
CryptAcquireCertificatePrivateKey
CryptBinaryToStringA
CryptDecodeObjectEx
CryptEncodeObjectEx
CryptHashCertificate
CryptMsgEncodeAndSignCTL
CryptStringToBinaryA
PFXExportCertStore
PFXImportCertStore

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_assert
_beginthreadex
_cexit
_commode
_difftime64
_endthreadex
_errno
_exit
_fileno
_fmode
_fpreset
_gmtime64
_initterm
_lock
_mktime64
_onexit
_setmode
_stat64
_strdup
_time64
_timezone
_unlock
_vscprintf
_vsnprintf
_wfopen
abort
atoi
calloc
ceil
exit
fclose
feof
ferror
fflush
fgets
fopen
fprintf
fputc
fputs
fread
free
fseek
ftell
fwrite
getc
getenv
isspace
isxdigit
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
pow
qsort
raise
realloc
rewind
setvbuf
signal
strcat
strchr
strcmp
strcpy
strcspn
strerror
strlen
strncmp
strncpy
strrchr
strspn
strstr
strtol
strtoul
tolower
ungetc
vfprintf
wcscpy
wcslen
wcsstr
wcstombs
_vsnwprintf
_strtoui64
_strtoi64
_write
_strdup

ntdll

NtCancelIoFileEx
NtCreateFile
NtDeviceIoControlFile
NtReadFile
NtWriteFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlNtStatusToDosError
RtlVirtualUnwind

user32

FindWindowA
GetProcessWindowStation
GetUserObjectInformationW
MessageBoxW
SendMessageA

Sections

.text
Size: 6.9MB - Virtual size: 6.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 243KB - Virtual size: 242KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 361KB - Virtual size: 360KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 6KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 59KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a482357f8f3c1a5b06c30065f5597b5d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ncrypt

ole32

oleaut32

secur32

userenv

ws2_32

bcrypt

crypt32

msvcrt

ntdll

user32

Sections

.text Size: 6.9MB - Virtual size: 6.9MB

.data Size: 41KB - Virtual size: 41KB

.rdata Size: 1.6MB - Virtual size: 1.6MB

.pdata Size: 243KB - Virtual size: 242KB

.xdata Size: 361KB - Virtual size: 360KB

.bss Size: - Virtual size: 6KB

.idata Size: 16KB - Virtual size: 16KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 59KB - Virtual size: 59KB

.text
Size: 6.9MB - Virtual size: 6.9MB

.data
Size: 41KB - Virtual size: 41KB

.rdata
Size: 1.6MB - Virtual size: 1.6MB

.pdata
Size: 243KB - Virtual size: 242KB

.xdata
Size: 361KB - Virtual size: 360KB

.bss
Size: - Virtual size: 6KB

.idata
Size: 16KB - Virtual size: 16KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 59KB - Virtual size: 59KB