loader[.]exe | Triage

Resubmissions

10-05-2023 19:12

230510-xwhj4shh59 3

10-05-2023 19:11

230510-xwat9sbe9t 3

10-05-2023 19:11

230510-xv35eshh58 3

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General

Target

loader.exe
Size

471KB
MD5

20f0ba307d8cf6d89d68ee70db9bfbce
SHA1

06e948b4cf3bfd5c107a278b0c9055ad087603b6
SHA256

8d8bbcea60c3eb2cd24aaeb23225ddd0b478d284039720e5cb9b3d567373e695
SHA512

00e92922c80c04f59e2ac7fc4825b389fcb4f2d936ff6cfdbad42316a8c914a7619cafcd58f9e3c76f5b812c9fa7ee52c1dfb515ccfaf23c64ac55df528716e2
SSDEEP

6144:1piPkgiqL7DU+C8cwHuU1iL7DU+C8cwHuUhU1K:aPQqoYczHoYczs8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
loader.exe

Files

loader.exe
.exe windows x64

2db1029e0957197e6f954d9e8534c06e

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

CreateFileW
OpenProcess
CreateToolhelp32Snapshot
Process32NextW
LockResource
Process32FirstW
CloseHandle
FindResourceExW
LoadResource
FindResourceW
HeapAlloc
GetProcessHeap
CreateProcessW
GetUserDefaultUILanguage
lstrcmpiW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
TerminateProcess
lstrlenW
ExpandEnvironmentStringsW
WriteFile
GetFullPathNameW
SetLastError
HeapFree
SizeofResource
GetModuleHandleW
DeleteFileW
Sleep
lstrcpyW
GetStartupInfoW

user32

CreateWindowExW
SendMessageW
GetSystemMetrics
GetWindowLongPtrW
SetWindowPos
DestroyWindow
GetWindowRect
DefWindowProcW
SetWindowLongPtrW
GetMessageW
EndPaint
BeginPaint
LoadCursorW
LoadIconW
TranslateMessage
SendNotifyMessageW
SetFocus
LoadBitmapW
RegisterClassW
DispatchMessageW
ShowWindow
DrawIcon

gdi32

CreateCompatibleDC
GetStockObject
GetObjectW
BitBlt
SelectObject
DeleteDC

advapi32

RegCloseKey
RegSetValueExW
RegOpenKeyW

shell32

SHCreateDirectoryExW
SHChangeNotify

shlwapi

PathRemoveFileSpecW

winmm

PlaySoundA
PlaySoundW

vcruntime140

__current_exception_context
__current_exception
__C_specific_handler
memset

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

_set_fmode
fopen_s
fwrite
fclose
__p__commode

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

wcsncmp

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

_c_exit
_initterm
_cexit
_register_onexit_function
_crt_atexit
terminate
_exit
_get_narrow_winmain_command_line
_initialize_narrow_environment
_register_thread_local_exe_atexit_callback
exit
_initialize_onexit_table
_configure_narrow_argv
_seh_filter_exe
_set_app_type
_initterm_e

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

__setusermatherr

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - 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: 512B - Virtual size: 492B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 595KB - Virtual size: 595KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

2db1029e0957197e6f954d9e8534c06e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

shlwapi

winmm

vcruntime140

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

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

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

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

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

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

Sections

.text Size: 7KB - Virtual size: 6KB

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

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

.pdata Size: 512B - Virtual size: 492B

.rsrc Size: 595KB - Virtual size: 595KB

.reloc Size: 512B - Virtual size: 44B

.text
Size: 7KB - Virtual size: 6KB

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

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

.pdata
Size: 512B - Virtual size: 492B

.rsrc
Size: 595KB - Virtual size: 595KB

.reloc
Size: 512B - Virtual size: 44B