Lunar[.]exe | Triage

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General

Target

Lunar.exe
Size

3.7MB
MD5

4aacc9a689555b7873617cb44f13ca09
SHA1

43acd61cce10bd85ff9a550b6572e5ba5bb17331
SHA256

ded43e72e6daca416ee4f9388a16ca1635b6ef72387799dc1fa05a753c912ddf
SHA512

5b82fbcd7215d07898c6deb17d360bd7f895dfad0dde5b7aa9e139de5cccf2f020ed30637d94af5670750ad1d8cd47d43372e8254fbc4bdf1d1be65e03e37870
SSDEEP

49152:fQ0toY2EjuLfmiwR3SBUspi6hfS75b6dwlVh/qNwffAj3g/bTqSk6Vn:oL0uLfmpoUs46hfa/lgQ/6S

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Lunar.exe

Files

Lunar.exe
.exe windows:6 windows x64 arch:x64

ee1bd73bff726088101d2bfac2fbde2b

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

QueryPerformanceCounter
WriteProcessMemory
SetConsoleTitleA
Module32Next
InitializeCriticalSectionEx
Module32First
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetTickCount64
GetLastError
CloseHandle
WritePrivateProfileStringA
DeleteCriticalSection
ReadProcessMemory
GetPrivateProfileIntA
GetTickCount
VirtualQueryEx
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetModuleHandleW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
GetModuleHandleA
GlobalUnlock
WideCharToMultiByte
MultiByteToWideChar
GlobalLock
GlobalFree
GlobalAlloc
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

user32

CreateWindowExA
DefWindowProcA
EnumDisplaySettingsA
GetWindowLongA
SetWindowLongA
GetAsyncKeyState
ShowWindow
GetSystemMetrics
SetWindowPos
GetWindowRect
DispatchMessageA
GetWindowThreadProcessId
SetClipboardData
TranslateMessage
PeekMessageA
UnregisterClassA
PostQuitMessage
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
GetCursorPos
FindWindowA
SetCursorPos
ReleaseCapture
GetClientRect
RegisterClassExA
SetCursor
SetCapture
UpdateWindow
GetForegroundWindow
ShowCursor
GetKeyState
LoadCursorA
TrackMouseEvent
ScreenToClient
GetCapture
ClientToScreen
SetFocus

imm32

ImmReleaseContext
ImmGetContext
ImmAssociateContextEx
ImmSetCandidateWindow
ImmSetCompositionWindow

d3dcompiler_47

D3DCompile

dwmapi

DwmExtendFrameIntoClientArea

msvcp140

?_Throw_Cpp_error@std@@YAXH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
_Mtx_lock
_Xtime_get_ticks
_FExp
_Mtx_unlock
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Xlength_error@std@@YAXPEBD@Z

d3d11

D3D11CreateDeviceAndSwapChain

vcruntime140

__std_exception_destroy
__std_exception_copy
__C_specific_handler
strstr
__current_exception
__current_exception_context
memset
_CxxThrowException
memmove
memcmp
memchr
memcpy

vcruntime140_1

__CxxFrameHandler4

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

__p__commode
ftell
_set_fmode
__acrt_iob_func
__stdio_common_vfprintf
__stdio_common_vsprintf_s
fflush
__stdio_common_vsscanf
fread
__stdio_common_vsprintf
_wfopen
fwrite
fclose
fseek

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

_stricmp
strcmp
strncpy

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

rand
qsort

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

malloc
free
_set_new_mode
_callnewh

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

atof

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

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

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

clock

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

sqrt
sqrtf
copysignf
powf
_fdsign
acosf
__setusermatherr
atan2f
ceilf
cosf
sinf
fmodf
scalbnf
ilogbf
pow
logf
log
ldexp

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

_configthreadlocale

Sections

.text
Size: 547KB - Virtual size: 546KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 3.2MB - Virtual size: 3.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 16KB - Virtual size: 15KB

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: 308B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ee1bd73bff726088101d2bfac2fbde2b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

imm32

d3dcompiler_47

dwmapi

msvcp140

d3d11

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

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

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

Sections

.text Size: 547KB - Virtual size: 546KB

.rdata Size: 3.2MB - Virtual size: 3.2MB

.data Size: 8KB - Virtual size: 10KB

.pdata Size: 16KB - Virtual size: 15KB

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

.reloc Size: 512B - Virtual size: 308B

.text
Size: 547KB - Virtual size: 546KB

.rdata
Size: 3.2MB - Virtual size: 3.2MB

.data
Size: 8KB - Virtual size: 10KB

.pdata
Size: 16KB - Virtual size: 15KB

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

.reloc
Size: 512B - Virtual size: 308B