fck[.]exe | Triage

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General

Target

fck.exe
Size

182KB
MD5

d8a0d9575d0188e8d0420c1d70d04cb2
SHA1

d7c36cbb1d98966849bb552ee8c5be708de56acf
SHA256

fa554a42c09bc8105b96f4175c7769f6cc2c8dbc72a175ed6217e6a664a7c330
SHA512

3861d749677e11d47cac9b60617d229c5bc2aa1c30f2ddbb82808f95d0c802098156bd54a9605c160f312ecc2e4c0f6297923eaa37576e831441d2f6f2374a4a
SSDEEP

3072:jCaAgC2HK8CBOTrijMPelZRpp9cinLbzJhi+Fm1oB8t2L:jAgBKbITILbRzeiLDiPC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
fck.exe

Files

fck.exe
.exe windows:6 windows x64 arch:x64

2c1340bab731211eab9f443d03ccafb1

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

Imports

kernel32

GetSystemDirectoryW
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EncodePointer
DecodePointer
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
Sleep
GetLocaleInfoEx
GetCommandLineW
GetLastError
HeapFree
GetCPInfo
RtlPcToFileHeader
RaiseException
RtlLookupFunctionEntry
RtlUnwindEx
HeapAlloc
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
SetLastError
GetCurrentThreadId
ExitProcess
GetModuleHandleExW
GetProcAddress
GetStdHandle
WriteFile
GetModuleFileNameW
GetProcessHeap
GetFileType
InitOnceExecuteOnce
GetStartupInfoW
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetTickCount64
GetEnvironmentStringsW
FreeEnvironmentStringsW
RtlCaptureContext
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetCurrentProcess
TerminateProcess
GetModuleHandleW
IsDebuggerPresent
ReadFile
SetFilePointerEx
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
CloseHandle
IsValidCodePage
GetACP
GetOEMCP
SetFilePointer
GetUserDefaultLocaleName
LCMapStringEx
IsValidLocaleName
EnumSystemLocalesEx
HeapReAlloc
LoadLibraryExW
OutputDebugStringW
LoadLibraryW
ReadConsoleW
SetStdHandle
WriteConsoleW
CreateFileW
SetEndOfFile

Sections

.text
Size: 114KB - Virtual size: 114KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 648B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2c1340bab731211eab9f443d03ccafb1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 114KB - Virtual size: 114KB

.rdata Size: 44KB - Virtual size: 43KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 6KB - Virtual size: 6KB

.rsrc Size: 1024B - Virtual size: 648B

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 114KB - Virtual size: 114KB

.rdata
Size: 44KB - Virtual size: 43KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 6KB - Virtual size: 6KB

.rsrc
Size: 1024B - Virtual size: 648B

.reloc
Size: 6KB - Virtual size: 6KB