cool[.]exe | Triage

Resubmissions

13/06/2023, 19:19

230613-x11lgsbc5w 3

13/06/2023, 19:18

230613-xz62waba37 8

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General

Target

cool.exe
Size

326KB
MD5

a1ffcdac231e72d78acf094bd80afc30
SHA1

64f490b41d2a2bb3a7c6d78b8b1518b8939c1c77
SHA256

03b88c6b1119ebd88334795b1803127852f17e495a735ecea9d8a3c2aa73587f
SHA512

ccb58f904b43760a950186fb095f20f2a8304a15c9dd8afb1bbd1f90597e357376707eaec32578e4ae3f49d3e7f1985ae5563cee53a33834298c66e44ef40137
SSDEEP

6144:KThFcqcXRBrdBkOAGJJZXCW3MRkessP9QCfStZUn:KtFctzrdSOAOLc2tsPOkcUn

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cool.exe

Files

cool.exe
.exe windows x64

a5de1fb560eeb6d3d530c1ac11f48f0c

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

QueryPerformanceFrequency
GetProcAddress
VerSetConditionMask
FreeLibrary
VerifyVersionInfoW
QueryPerformanceCounter
Sleep
DeleteFileA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
GetModuleHandleA
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
LoadLibraryA
GlobalUnlock
WideCharToMultiByte
GlobalFree
GlobalLock
GlobalAlloc
CreateEventW
MultiByteToWideChar
CloseHandle

user32

ScreenToClient
EnumDisplayMonitors
MonitorFromWindow
SetWindowPos
GetDC
DestroyWindow
LoadCursorA
WindowFromPoint
AdjustWindowRectEx
GetWindowLongW
UpdateWindow
GetDesktopWindow
PostQuitMessage
PeekMessageA
TranslateMessage
MessageBoxA
GetWindowRect
DispatchMessageA
SetWindowTextW
ShowWindow
GetCapture
SetWindowLongA
ClientToScreen
IsChild
GetMonitorInfoA
GetForegroundWindow
DefWindowProcA
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
CreateWindowExA
SetLayeredWindowAttributes
SetFocus
BringWindowToTop
SetCapture
OpenClipboard
GetCursorPos
ReleaseDC
SetCursorPos
IsIconic
SetForegroundWindow
ReleaseCapture
RegisterClassExA
SetCursor
SetWindowLongW
GetClientRect
UnregisterClassA
GetKeyState

gdi32

GetDeviceCaps

imm32

ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow

d3d9

Direct3DCreate9

urlmon

URLDownloadToFileA

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__C_specific_handler
__current_exception_context
__current_exception
memset
__std_terminate
memchr
memcmp
memcpy
memmove
strstr

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

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

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

strncpy
strncmp
strcmp

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

qsort

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

malloc
_set_new_mode
free

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

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

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

cosf
__setusermatherr
sinf
ceilf
acosf
sqrtf

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

_configthreadlocale

Sections

.text
Size: 261KB - Virtual size: 261KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

a5de1fb560eeb6d3d530c1ac11f48f0c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

imm32

d3d9

urlmon

vcruntime140_1

vcruntime140

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-runtime-l1-1-0

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

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

Sections

.text Size: 261KB - Virtual size: 261KB

.rdata Size: 49KB - Virtual size: 48KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 12KB - Virtual size: 12KB

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 512B - Virtual size: 160B

.text
Size: 261KB - Virtual size: 261KB

.rdata
Size: 49KB - Virtual size: 48KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 12KB - Virtual size: 12KB

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 512B - Virtual size: 160B