FireFly[.]Proxy[.]v2 (1)[.]rar

Sharing

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General

Target

FireFly.Proxy.v2 (1).rar
Size

4.3MB
MD5

9a2e45731cb601d6113f5de4612732ac
SHA1

85b168f77470b63d3b792fb92592ce0e872bf242
SHA256

38fe25f489d2d541d3f2e94536dceb659e325046c794c5fbbdc07bf7e5dc1eed
SHA512

ebfadd722997e33fec274ac8573aa43188a18c37ed62a599807f72bf862e906d1d77123d31b4ae6df31e6215dac0958379b6c142ad04134098f739f88ad42ab7
SSDEEP

98304:QnrWSO+ve+tQ+DA0FqbNdMCmp9jkfAGNBrFyL9ZRFSsjLL2m:QnrWj+W+fD/DCK9MMwsjLLn

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/FireFly.Proxy.v2/FireflySR.Tool.Proxy.exe
unpack001/FireFly.Proxy.v2/tool/FireflySR.Tool.Proxy.Guardian.exe

Files

FireFly.Proxy.v2 (1).rar
.rar
FireFly.Proxy.v2/FireflySR.Tool.Proxy.exe
.exe windows:6 windows x64 arch:x64

a91ba2fec7224534461abdf70979b37a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\FireflySR.Tool.Proxy\FireflySR.Tool.Proxy\bin\Release\net8.0\win-x64\native\FireflySR.Tool.Proxy.pdb

Imports

advapi32

RegDeleteValueW
RegFlushKey
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
RegCloseKey
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
RegEnumKeyExW
RegEnumValueW
GetTokenInformation
OpenThreadToken
RevertToSelf
ImpersonateLoggedOnUser

bcrypt

BCryptEncrypt
BCryptCreateHash
BCryptGenRandom
BCryptFinalizeKeyPair
BCryptFinishHash
BCryptGenerateKeyPair
BCryptGetProperty
BCryptHashData
BCryptImportKey
BCryptImportKeyPair
BCryptOpenAlgorithmProvider
BCryptSetProperty
BCryptCloseAlgorithmProvider
BCryptDestroyHash
BCryptDecrypt
BCryptDestroyKey
BCryptExportKey

crypt32

CertFreeCertificateChainEngine
CertCloseStore
PFXImportCertStore
PFXExportCertStore
CryptFindOIDInfo
CryptQueryObject
CryptMsgGetParam
CryptMsgClose
CryptImportPublicKeyInfoEx2
CryptFormatObject
CryptDecodeObject
CryptAcquireCertificatePrivateKey
CertVerifyTimeValidity
CertSetCertificateContextProperty
CertSerializeCertificateStoreElement
CertSaveStore
CertOpenStore
CertNameToStrW
CertFreeCertificateContext
CertVerifyCertificateChainPolicy
CertEnumCertificatesInStore
CertDuplicateCertificateContext
CertGetCertificateContextProperty
CertAddCertificateContextToStore
CertAddCertificateLinkToStore
CertControlStore
CertCreateCertificateChainEngine
CertDeleteCertificateFromStore
CertFindCertificateInStore
CertFindExtension
CertFreeCertificateChain
CertGetCertificateChain
CertGetIntendedKeyUsage
CertGetNameStringW
CertGetValidUsages

iphlpapi

GetNetworkParams
GetAdaptersAddresses
GetPerAdapterInfo
if_nametoindex
GetExtendedTcpTable

kernel32

RtlUnwindEx
RtlPcToFileHeader
IsDebuggerPresent
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InitializeSListHead
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlLookupFunctionEntry
RaiseException
GetProcessHeap
LocalFree
ExitProcess
SetLastError
FormatMessageW
GetLastError
GetCPInfoExW
GetConsoleMode
GetFileType
ReadFile
ReadConsoleW
ReadConsoleInputW
SetConsoleTitleW
WriteFile
WriteConsoleW
GetConsoleOutputCP
GetStdHandle
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
GetExitCodeProcess
CreateProcessW
OpenProcess
K32EnumProcesses
GetProcessId
DuplicateHandle
CreatePipe
GetCurrentProcess
GetConsoleCP
GetTickCount64
LoadLibraryExW
QueryPerformanceCounter
CancelIoEx
CloseThreadpoolIo
GetCurrentProcessId
RaiseFailFastException
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToSystemTime
GetSystemTime
GetCalendarInfoEx
CompareStringOrdinal
CompareStringEx
FindNLSStringEx
GetLocaleInfoEx
ResolveLocaleName
GetUserPreferredUILanguages
FindStringOrdinal
GetCurrentThread
WaitForSingleObject
Sleep
DeleteCriticalSection
EnterCriticalSection
SleepConditionVariableCS
LeaveCriticalSection
WakeConditionVariable
InitializeCriticalSection
InitializeConditionVariable
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForMultipleObjectsEx
GetCurrentThreadId
CreateThreadpoolWait
SetThreadpoolWait
WaitForThreadpoolWaitCallbacks
CloseThreadpoolWait
CreateThreadpoolWork
CloseThreadpoolWork
SubmitThreadpoolWork
QueryPerformanceFrequency
GetFullPathNameW
GetLongPathNameW
GetCPInfo
LocalAlloc
GetProcAddress
LocaleNameToLCID
LCMapStringEx
EnumTimeFormatsEx
EnumCalendarInfoExEx
CancelSynchronousIo
CreateIoCompletionPort
CopyFileExW
CreateDirectoryW
CreateFileW
CreateThreadpoolIo
StartThreadpoolIo
CancelThreadpoolIo
DeleteFileW
DeleteVolumeMountPointW
DeviceIoControl
ExpandEnvironmentStringsW
FindNextFileW
FindClose
FindFirstFileExW
FlushFileBuffers
FreeLibrary
GetCurrentDirectoryW
GetFileAttributesExW
GetFileInformationByHandleEx
GetModuleFileNameW
GetOverlappedResult
GetSystemDirectoryW
OpenThread
QueryUnbiasedInterruptTime
RemoveDirectoryW
SetConsoleCtrlHandler
SetFileInformationByHandle
SetFilePointerEx
SetThreadErrorMode
CreateThread
ResumeThread
GetThreadPriority
SetThreadPriority
GetDynamicTimeZoneInformation
GetTimeZoneInformation
GetCurrentProcessorNumberEx
SetEvent
ResetEvent
CreateEventExW
GetEnvironmentVariableW
GetConsoleWindow
FlushProcessWriteBuffers
WaitForSingleObjectEx
RtlVirtualUnwind
RtlCaptureContext
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
TerminateProcess
SwitchToThread
SuspendThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
VirtualQuery
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
DebugBreak
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
EncodePointer
DecodePointer
HeapCreate
HeapDestroy
HeapAlloc
HeapFree

ncrypt

NCryptCreatePersistedKey
NCryptDeleteKey
NCryptExportKey
NCryptFinalizeKey
NCryptOpenStorageProvider
NCryptGetProperty
NCryptSetProperty
NCryptFreeObject
NCryptOpenKey
NCryptImportKey

ole32

CoTaskMemAlloc
CoInitializeEx
CoGetApartmentType
CLSIDFromProgID
CoTaskMemFree
CoUninitialize
CoCreateGuid
CoWaitForMultipleHandles

secur32

InitializeSecurityContextW
AcquireCredentialsHandleW
InitializeSecurityContextA

user32

LoadStringW

ws2_32

FreeAddrInfoExW
WSACleanup
WSAStartup
GetAddrInfoExW
WSASend
WSARecv
WSAGetOverlappedResult
WSAEventSelect
shutdown
setsockopt
send
select
recv
listen
ioctlsocket
gethostname
WSAIoctl
bind
getpeername
getsockname
WSAConnect
closesocket
WSASocketW
GetNameInfoW
GetAddrInfoW
FreeAddrInfoW
getsockopt

api-ms-win-crt-heap-l1-1-0

_set_new_mode
_callnewh
malloc
calloc
free

api-ms-win-crt-math-l1-1-0

modf
tan
__setusermatherr
sin
ceil
cos
floor
log
pow

api-ms-win-crt-string-l1-1-0

strcmp
strcpy_s
_stricmp
strncpy_s
wcsncmp

api-ms-win-crt-convert-l1-1-0

strtoull

api-ms-win-crt-runtime-l1-1-0

__p___argc
_exit
exit
_initterm_e
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initterm
_get_initial_wide_environment
abort
_initialize_wide_environment
_configure_wide_argv
_register_thread_local_exe_atexit_callback
_set_app_type
_seh_filter_exe
_c_exit
_cexit
__p___wargv

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s
_set_fmode
__p__commode
__stdio_common_vfprintf
__stdio_common_vsscanf
__acrt_iob_func

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Exports

Exports

DotNetRuntimeDebugHeader

Sections

.text
Size: 525KB - Virtual size: 525KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.managed
Size: 6.5MB - Virtual size: 6.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

hydrated
Size: - Virtual size: 2.0MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3.5MB - Virtual size: 3.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 32KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 337KB - Virtual size: 337KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
FireFly.Proxy.v2/config.json
FireFly.Proxy.v2/config.tmpl.json
FireFly.Proxy.v2/rootCert.pfx
FireFly.Proxy.v2/tool/FireflySR.Tool.Proxy.Guardian.exe
.exe windows:6 windows x64 arch:x64

bb2f841a720f0da5e05173f75f12eb7e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\FireflySR.Tool.Proxy\FireflySR.Tool.Proxy\Guardian\bin\Release\net8.0-windows\win-x64\native\FireflySR.Tool.Proxy.Guardian.pdb

Imports

advapi32

RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
RegCloseKey
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges

bcrypt

BCryptGenRandom

kernel32

TlsFree
TlsSetValue
ExitProcess
SetLastError
FormatMessageW
GetLastError
GetConsoleMode
GetFileType
WriteFile
WriteConsoleW
GetConsoleOutputCP
GetStdHandle
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
GetExitCodeProcess
OpenProcess
K32EnumProcesses
GetProcessId
DuplicateHandle
QueryFullProcessImageNameW
GetCurrentProcess
RaiseFailFastException
FileTimeToSystemTime
SystemTimeToFileTime
GetSystemTime
GetTickCount64
GetCurrentThread
WaitForSingleObject
Sleep
DeleteCriticalSection
LocalFree
EnterCriticalSection
SleepConditionVariableCS
LeaveCriticalSection
WakeConditionVariable
QueryPerformanceCounter
InitializeCriticalSection
InitializeConditionVariable
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForMultipleObjectsEx
CreateThreadpoolWork
CloseThreadpoolWork
SubmitThreadpoolWork
QueryPerformanceFrequency
LocalAlloc
GetProcAddress
CreateIoCompletionPort
ExpandEnvironmentStringsW
FreeLibrary
GetModuleFileNameW
LoadLibraryExW
QueryUnbiasedInterruptTime
SetThreadErrorMode
CreateThread
ResumeThread
GetThreadPriority
SetThreadPriority
GetCurrentProcessorNumberEx
SetEvent
ResetEvent
CreateEventExW
GetEnvironmentVariableW
FlushProcessWriteBuffers
WaitForSingleObjectEx
RtlVirtualUnwind
RtlCaptureContext
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
TerminateProcess
SwitchToThread
GetCurrentThreadId
SuspendThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
VirtualQuery
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
DebugBreak
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
RaiseException
RtlPcToFileHeader
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlLookupFunctionEntry
InitializeSListHead
GetCurrentProcessId

ole32

CoInitializeEx
CoUninitialize
CoGetApartmentType
CoWaitForMultipleHandles

api-ms-win-crt-heap-l1-1-0

calloc
_callnewh
malloc
_set_new_mode
free

api-ms-win-crt-math-l1-1-0

ceil
__setusermatherr

api-ms-win-crt-string-l1-1-0

_stricmp
wcsncmp
strcpy_s
strcmp

api-ms-win-crt-convert-l1-1-0

strtoull

api-ms-win-crt-runtime-l1-1-0

terminate
_register_onexit_function
_seh_filter_exe
_set_app_type
abort
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_initterm
_initterm_e
exit
_exit
_initialize_onexit_table
__p___argc
__p___wargv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_crt_atexit

api-ms-win-crt-stdio-l1-1-0

_set_fmode
__p__commode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Exports

Exports

DotNetRuntimeDebugHeader

Sections

.text
Size: 404KB - Virtual size: 404KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.managed
Size: 669KB - Virtual size: 669KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

hydrated
Size: - Virtual size: 327KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 609KB - Virtual size: 608KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 67KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a91ba2fec7224534461abdf70979b37a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

bcrypt

crypt32

iphlpapi

kernel32

ncrypt

ole32

secur32

user32

ws2_32

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Exports

Exports

Sections

.text Size: 525KB - Virtual size: 525KB

.managed Size: 6.5MB - Virtual size: 6.5MB

hydrated Size: - Virtual size: 2.0MB

.rdata Size: 3.5MB - Virtual size: 3.5MB

.data Size: 32KB - Virtual size: 161KB

.pdata Size: 337KB - Virtual size: 337KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 5KB - Virtual size: 4KB

bb2f841a720f0da5e05173f75f12eb7e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

bcrypt

kernel32

ole32

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Exports

Exports

Sections

.text Size: 404KB - Virtual size: 404KB

.managed Size: 669KB - Virtual size: 669KB

hydrated Size: - Virtual size: 327KB

.rdata Size: 609KB - Virtual size: 608KB

.data Size: 7KB - Virtual size: 62KB

.pdata Size: 67KB - Virtual size: 66KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 525KB - Virtual size: 525KB

.managed
Size: 6.5MB - Virtual size: 6.5MB

hydrated
Size: - Virtual size: 2.0MB

.rdata
Size: 3.5MB - Virtual size: 3.5MB

.data
Size: 32KB - Virtual size: 161KB

.pdata
Size: 337KB - Virtual size: 337KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 5KB - Virtual size: 4KB

.text
Size: 404KB - Virtual size: 404KB

.managed
Size: 669KB - Virtual size: 669KB

hydrated
Size: - Virtual size: 327KB

.rdata
Size: 609KB - Virtual size: 608KB

.data
Size: 7KB - Virtual size: 62KB

.pdata
Size: 67KB - Virtual size: 66KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 1KB - Virtual size: 1KB