winloader[.]exe

Resubmissions

11/04/2025, 09:40

250411-lm8jdsvyas 10

17/04/2023, 12:30

230417-ppf4pseb75 1

17/04/2023, 12:27

230417-pmq6wsfg6x 1

17/04/2023, 12:22

230417-pj7pgafg5t 1

Sharing

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General

Target

winloader.exe
Size

20KB
MD5

a1ceb50afec0e342a37e0985ccc1a9c1
SHA1

ad2f5eb32dbe24729e4949a9ed2029f4a042b27d
SHA256

dad40266c5c496568c9369aeaa1807338b596ff562daea44c8e95ee82af943b0
SHA512

1da698a4f4963ba22aa925b757fce137612f714fcfbfdba47d2cd1b9fefc6686481b1bbb785bd21a52e395f726fbad3ff96eb59ccdb6a152c93d47019ebd6568
SSDEEP

384:gnLZEMPixSLWIgEXtDcg9KjeZj/jjFCqoVGcjNs+uwo:QULENcqFusp

Score

1^/10

Malware Config

Signatures

Files

winloader.exe
.exe windows x64

7b57069f99d986d6c9ef48b4abe307ee

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

LoadLibraryA
GetProcAddress
GetLastError
WideCharToMultiByte
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
MultiByteToWideChar
ExitThread
LocalAlloc
TerminateProcess
VirtualAlloc
GetCurrentProcess
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
RtlCaptureContext

user32

EnumThreadWindows

advapi32

CryptAcquireContextW
CryptDecrypt
CryptCreateHash
CryptDeriveKey
CryptHashData
CryptDestroyHash
CryptReleaseContext
CryptDestroyKey

shell32

CommandLineToArgvW

msvcp140

?_Xlength_error@std@@YAXPEBD@Z

winhttp

WinHttpQueryDataAvailable
WinHttpSendRequest
WinHttpOpen
WinHttpReadData
WinHttpOpenRequest
WinHttpCloseHandle
WinHttpReceiveResponse
WinHttpConnect

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_copy
__current_exception
__current_exception_context
memset
__std_exception_destroy
__C_specific_handler
_CxxThrowException
memmove
memcpy

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

_initialize_onexit_table
__p___argv
_initterm_e
_cexit
terminate
_configure_narrow_argv
_c_exit
__p___argc
_set_app_type
_seh_filter_exe
_crt_atexit
_register_thread_local_exe_atexit_callback
_initialize_narrow_environment
_register_onexit_function
exit
_exit
_invalid_parameter_noinfo_noreturn
_initterm
_get_initial_narrow_environment

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

_callnewh
malloc
calloc
free
_set_new_mode

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

atoi
mbstowcs

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

_set_fmode
__stdio_common_vfprintf
__p__commode
__acrt_iob_func

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

_stricmp

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 708B

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: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

7b57069f99d986d6c9ef48b4abe307ee

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msvcp140

winhttp

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

Sections

.text Size: 9KB - Virtual size: 8KB

.rdata Size: 8KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 708B

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

.reloc Size: 512B - Virtual size: 88B

.text
Size: 9KB - Virtual size: 8KB

.rdata
Size: 8KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 708B

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

.reloc
Size: 512B - Virtual size: 88B