Byfron-Bypass-272028[.]zip

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General

Target

Byfron-Bypass-272028.zip
Size

22.7MB
MD5

5c985e85a04071c0420a503e85c61f54
SHA1

f6cebd80e935f6626a1857a9d0b52e3d20513351
SHA256

74e6c1f1a5ecfea0663c8a5814886bf4c9eb45e2d51ceaae198d72a3e49ae6a2
SHA512

a4d633e5518dbe13c8e3c3e906e9d9095390ae6250dde2271c4c918140a7ab3b83afb7e64891fd65fdc7f33733bbe629d8b83c945d26437dab0cdc302e746d6d
SSDEEP

393216:FRxnVt9cYmiAQsalyLu203dzdWGN/4nsFpNu+b8nV15DvoxJC/MtVgcjOmhvy6tI:N+YmJQvl0Z03dJ/eYNu+b8nV15Dcs6fO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Install_00200.exe

Files

Byfron-Bypass-272028.zip
.zip
Install_00200.exe
.exe windows:6 windows x86 arch:x86

ef70c2df92ef50a37cdf6fca48861d24

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

AreFileApisANSI
GetConsoleCP
ReadConsoleW
GetModuleHandleW
ReleaseSRWLockExclusive
EnterCriticalSection
SetPriorityClass
lstrlenA
FindNextFileW
DuplicateHandle
FormatMessageA
PeekNamedPipe
GetDriveTypeW
CreateEventW
CreateThread
ExitProcess
SignalObjectAndWait
GetThreadPriority
ResetEvent
WriteFile
GetSystemInfo
MoveFileExW
InterlockedPopEntrySList
SystemTimeToTzSpecificLocalTime
IsProcessorFeaturePresent
VirtualProtect
InterlockedFlushSList
RegisterWaitForSingleObject
HeapFree
FreeLibraryAndExitThread
SetUnhandledExceptionFilter
TlsGetValue
TryEnterCriticalSection
GetSystemTimeAsFileTime
ReadFile
SetStdHandle
CreateFileW
SetFileAttributesW
SwitchToThread
GetStartupInfoW
EnumSystemLocalesW
FileTimeToSystemTime
QueryDepthSList
GetEnvironmentVariableA
SetLastError
LocalFree
CreateSemaphoreA
QueryPerformanceFrequency
DeleteCriticalSection
GetEnvironmentStringsW
GetProcAddress
LoadLibraryW
GetTimeFormatW
ExitThread
TlsAlloc
GetCurrentProcess
HeapReAlloc
GetOEMCP
LCMapStringW
GetSystemDirectoryW
IsDebuggerPresent
GetFileSize
GetLastError
GetFileAttributesA
FreeEnvironmentStringsW
InitializeSListHead
GetCommandLineA
SetEnvironmentVariableA
SetThreadPriority
lstrcatA
GetACP
LeaveCriticalSection
SetThreadAffinityMask
CreateDirectoryA
SetFileAttributesA
GetModuleHandleA
VirtualFree
WaitForMultipleObjects
HeapAlloc
UnregisterWaitEx
GetNumaHighestNodeNumber
WideCharToMultiByte
Sleep
InitializeCriticalSectionEx
RemoveDirectoryW
GetThreadTimes
GlobalLock
GetVersionExA
MultiByteToWideChar
VerSetConditionMask
GetModuleFileNameA
SetFileTime
IsValidLocale
UnhandledExceptionFilter
GlobalUnlock
FindFirstFileExA
GetModuleFileNameW
RtlUnwind
GetProcessAffinityMask
CreateDirectoryW
TlsFree
GetStdHandle
GetLogicalDriveStringsW
InitializeCriticalSection
GetDateFormatW
GetVersionExW
GetCommandLineW
GetFileSizeEx
GetTickCount64
WriteConsoleW
CreateTimerQueue
FindFirstFileA
SetEvent
RemoveDirectoryA
GetUserDefaultLCID
SetEndOfFile
IsValidCodePage
SetFilePointerEx
ReleaseSemaphore
GetModuleHandleExW
MoveFileA
ChangeTimerQueueTimer
VerifyVersionInfoW
GlobalAlloc
QueryPerformanceCounter
GetCurrentDirectoryW
GetConsoleMode
UnregisterWait
LoadLibraryExW
GetTimeZoneInformation
InterlockedPushEntrySList
GetFileAttributesExW
GetLogicalDriveStringsA
DeleteTimerQueueTimer
CompareStringW
GetCPInfo
DeleteFileA
GetVersion
AcquireSRWLockExclusive
FlushFileBuffers
GetStringTypeW
CreateFileA
GetCurrentThreadId
GetFullPathNameW
EncodePointer
TerminateProcess
DecodePointer
GlobalFree
GetFileType
FormatMessageW
WaitForSingleObject
SetFilePointer
GetLocaleInfoW
GetProcessHeap
CreateEventA
FileTimeToLocalFileTime
GetTickCount
FindFirstFileW
FreeLibrary
InitializeCriticalSectionAndSpinCount
CompareFileTime
MoveFileW
LoadLibraryA
CloseHandle
VirtualAlloc
GetLogicalProcessorInformation
DeleteFileW
GetFileAttributesW
GetFileInformationByHandle
HeapSize
TlsSetValue
GetCurrentProcessId
SleepEx
GlobalMemoryStatus
CreateTimerQueueTimer
WaitForSingleObjectEx
GetCurrentDirectoryA
FindNextFileA
GetCurrentThread
FindClose
RaiseException

user32

SetClipboardData
LoadCursorA
SetWindowLongA
SetWindowTextW
GetWindowTextLengthW
MoveWindow
CharUpperW
MessageBoxA
DialogBoxParamA
GetDlgItem
GetWindowLongA
SetTimer
SendMessageA
InvalidateRect
MapDialogRect
OpenClipboard
EmptyClipboard
IsDlgButtonChecked
SystemParametersInfoA
GetKeyState
DialogBoxParamW
GetWindowTextW
SetWindowTextA
ShowWindow
KillTimer
LoadIconA
CloseClipboard
GetFocus
LoadStringW
CharUpperA
EndDialog
ScreenToClient
LoadStringA
MessageBoxW
GetMonitorInfoA
CheckDlgButton
SetFocus
SetCursor
PostMessageA
GetWindowTextLengthA
GetWindowTextA
GetWindowRect
EnableWindow
MonitorFromWindow
wsprintfA
SendMessageW
GetParent

advapi32

CryptDestroyKey
CryptGetHashParam
CryptReleaseContext
CloseServiceHandle
CryptCreateHash
CryptEncrypt
CryptAcquireContextW
CryptHashData
CryptDestroyHash
CryptImportKey

shell32

SHGetFileInfoA
SHGetSpecialFolderPathW
SHGetPathFromIDListA
SHBrowseForFolderA

ole32

CoUninitialize
CoInitialize
CoTaskMemFree
OleInitialize
CoCreateInstance

oleaut32

SysStringLen
SysFreeString
SysAllocStringLen
SysAllocString
VariantClear

bcrypt

BCryptGenRandom

crypt32

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

wldap32

ord301
ord147
ord133
ord79
ord142
ord167
ord127
ord27
ord145
ord219
ord46
ord14
ord216
ord73
ord208
ord41
ord117
ord26

ws2_32

WSACreateEvent
WSAEventSelect
recvfrom
sendto
getpeername
ioctlsocket
gethostname
socket
getsockopt
send
WSACloseEvent
WSAEnumNetworkEvents
getaddrinfo
WSAIoctl
WSAWaitForMultipleEvents
WSAResetEvent
closesocket
WSAGetLastError
ntohs
WSASetLastError
WSAStartup
WSACleanup
htons
setsockopt
freeaddrinfo
__WSAFDIsSet
select
accept
bind
connect
getsockname
htonl
listen
recv

Sections

.text
Size: 6.3MB - Virtual size: 6.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 238KB - Virtual size: 238KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ef70c2df92ef50a37cdf6fca48861d24

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

ole32

oleaut32

bcrypt

crypt32

wldap32

ws2_32

Sections

.text Size: 6.3MB - Virtual size: 6.3MB

.rdata Size: 238KB - Virtual size: 238KB

.data Size: 9KB - Virtual size: 30KB

.rsrc Size: 9KB - Virtual size: 9KB

.reloc Size: 83KB - Virtual size: 82KB

.text
Size: 6.3MB - Virtual size: 6.3MB

.rdata
Size: 238KB - Virtual size: 238KB

.data
Size: 9KB - Virtual size: 30KB

.rsrc
Size: 9KB - Virtual size: 9KB

.reloc
Size: 83KB - Virtual size: 82KB