clfSchool[.]exe[.]1

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General

Target

clfSchool.exe.1
Size

3.3MB
MD5

ad45ee315d2f046ec1038df93df16ba2
SHA1

0a9c500ff65f1437c7ec9ec0da5745d5580257ee
SHA256

54809dbdf16b8748f2f17f35c6f0927d2a2b5d392deb07c007cc37d9bd2816b6
SHA512

04d0d8566df3e77ddc8fde6d9ce3bddab8bc6737e326c1f4c722108aa74b107a4b5baf62afa7b8de1b8d782bc9102539e3ed0fd2fe1b2a2463bb6a0b126c82e9
SSDEEP

24576:TGWdDug9WdsWdJWddWdP8et3Wd/h+u2lxJuV:TGWQ8W+WHWrWh8oWTQxEV

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
clfSchool.exe.1

Files

clfSchool.exe.1
.exe windows:6 windows x64

6dbf27f4c70fe2c8ed3e0122ba75d641

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
GetLastError
GetFileAttributesExW
GetFullPathNameW
GetProcAddress
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EnterCriticalSection
FindFirstFileExW
OutputDebugStringW
LoadLibraryA
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

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

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

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

setvbuf
fflush
_wfopen
__stdio_common_vswprintf
__stdio_common_vfwprintf
_set_fmode
__stdio_common_vsprintf_s
__acrt_iob_func
fputwc
fputws
__p__commode

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

_set_new_mode
_callnewh
free
malloc
calloc

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

wcsnlen
strcpy_s
_wcsdup
strcspn
wcsncmp
toupper

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

_wtoi
wcstoul

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

setlocale
___lc_locale_name_func
localeconv
_unlock_locales
_lock_locales
___mb_cur_max_func
_configthreadlocale
__pctype_func
___lc_codepage_func

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

frexp
__setusermatherr

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

_gmtime64_s
_time64
wcsftime

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 303KB - Virtual size: 303KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6dbf27f4c70fe2c8ed3e0122ba75d641

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 2KB - Virtual size: 5KB

.pdata Size: 5KB - Virtual size: 5KB

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 303KB - Virtual size: 303KB

.reloc Size: 1024B - Virtual size: 792B

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 2KB - Virtual size: 5KB

.pdata
Size: 5KB - Virtual size: 5KB

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 303KB - Virtual size: 303KB

.reloc
Size: 1024B - Virtual size: 792B