clfs_poc[.]exe

Sharing

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General

Target

clfs_poc.exe
Size

421KB
MD5

a2358a04e7e1a6a541954c4e342f3be7
SHA1

12322c9aaeca177c82c63fdeeedf889c06041251
SHA256

82d4ac10b5d52d413143e5e92b7168ed8002035473a96e3795e2f31a22ab78a3
SHA512

a51e1b5c2c205e1cdbe05e2e6f6521cdaf82a06945fe7e71514d998f374e330e19bb1a34bacdde49da976a02a447775ea8cf8774080bddc46094f365f795a2a6
SSDEEP

6144:6tySvd9XeR+8DYNziXhiEe7PeDrkwcjQufXmo5pxYwm+C:6tJ19XeR+8DYNziXhiEeJf2o5pxB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
clfs_poc.exe

Files

clfs_poc.exe
.exe windows:6 windows x64 arch:x64

285218dce2e7a997af8fa25b7cc5e263

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

ReadFile
WriteFile
SetFilePointer
CreateFileW
CloseHandle
HeapFree
CreatePipe
GetProcessHeap
GetCommandLineW
GetCurrentProcess
DeviceIoControl
LocalAlloc
DuplicateHandle
OpenProcess
GetLastError
GetCurrentThread
GlobalAlloc
DeleteFileW
GetProcAddress
LocalFree
GetCurrentProcessId
FreeLibrary
LoadLibraryExW
VirtualAlloc
LoadLibraryA
HeapAlloc
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
WriteConsoleW
HeapQueryInformation
HeapReAlloc
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
ExitProcess
GetModuleHandleExW
GetStdHandle
GetModuleFileNameW
GetCommandLineA
HeapSize
HeapValidate
GetSystemInfo
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetFileType
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte

user32

wsprintfW

shell32

CommandLineToArgvW

ntdll

RtlVirtualUnwind
RtlCaptureContext
RtlLookupFunctionEntry

clfsw32

CreateLogFile
AddLogContainer

Sections

.text
Size: 305KB - Virtual size: 305KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 93KB - Virtual size: 93KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 73KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

285218dce2e7a997af8fa25b7cc5e263

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

ntdll

clfsw32

Sections

.text Size: 305KB - Virtual size: 305KB

.rdata Size: 93KB - Virtual size: 93KB

.data Size: 3KB - Virtual size: 73KB

.pdata Size: 14KB - Virtual size: 14KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 305KB - Virtual size: 305KB

.rdata
Size: 93KB - Virtual size: 93KB

.data
Size: 3KB - Virtual size: 73KB

.pdata
Size: 14KB - Virtual size: 14KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 480B

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