S-Client[.]exe

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General

Target

S-Client.exe
Size

3.8MB
MD5

82a27822551a292b9b1303f73f8396e3
SHA1

1435aaa50d1c9730d20be16c0c8a0a55a6e93d82
SHA256

c4d8bd904409068dc22642e32c71315b45707e40bf4e816382444e6fba1be504
SHA512

504e51887576792d68e54ed604bf1abc1bfc068e41979e227289c22df79573b49725d9a63bc65d422f725562d76ae33e5a472ceb6ad1e908ba93a2d2fca6ff76
SSDEEP

49152:GWm3KyyKV9koJMsW668qEr6uEnGq/3myEtgyn/sBFSxvCatyZa3C/ct8htU6DO4h:gKyyv6eLHmpFfyM60Xg6nQI9o5ww

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
S-Client.exe

Files

S-Client.exe
.exe windows:6 windows x64 arch:x64

a72d86dcda5fc40e78b5be688b300580

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

libfreetype

FT_Done_Face
FT_Done_FreeType
FT_Error_String
FT_Get_Char_Index
FT_Get_Kerning
FT_Init_FreeType
FT_Library_Version
FT_Load_Char
FT_Load_Glyph
FT_New_Memory_Face
FT_Set_Pixel_Sizes

libpng16-16

png_create_info_struct
png_create_read_struct
png_create_write_struct
png_destroy_info_struct
png_destroy_read_struct
png_destroy_write_struct
png_get_bit_depth
png_get_channels
png_get_color_type
png_get_compression_type
png_get_error_ptr
png_get_filter_type
png_get_image_height
png_get_image_width
png_get_interlace_type
png_get_io_ptr
png_get_rowbytes
png_get_valid
png_read_image
png_read_info
png_read_update_info
png_set_IHDR
png_set_error_fn
png_set_expand_gray_1_2_4_to_8
png_set_palette_to_rgb
png_set_read_fn
png_set_sig_bytes
png_set_strip_16
png_set_tRNS_to_alpha
png_set_write_fn
png_sig_cmp
png_write_end
png_write_image
png_write_info

sdl2

SDL_CloseAudioDevice
SDL_CreateWindow
SDL_DestroyWindow
SDL_EventState
SDL_FlashWindow
SDL_GL_CreateContext
SDL_GL_DeleteContext
SDL_GL_GetDrawableSize
SDL_GL_MakeCurrent
SDL_GL_SetAttribute
SDL_GL_SetSwapInterval
SDL_GL_SwapWindow
SDL_GetClipboardText
SDL_GetClosestDisplayMode
SDL_GetCurrentAudioDriver
SDL_GetCurrentDisplayMode
SDL_GetDesktopDisplayMode
SDL_GetDisplayBounds
SDL_GetDisplayMode
SDL_GetDisplayName
SDL_GetError
SDL_GetKeyboardState
SDL_GetMouseState
SDL_GetNumDisplayModes
SDL_GetNumVideoDisplays
SDL_GetRelativeMouseState
SDL_GetScancodeFromKey
SDL_GetVersion
SDL_GetWindowDisplayIndex
SDL_GetWindowFlags
SDL_GetWindowFromID
SDL_GetWindowSize
SDL_Init
SDL_InitSubSystem
SDL_JoystickGetAxis
SDL_JoystickGetGUID
SDL_JoystickGetGUIDString
SDL_JoystickGetHat
SDL_JoystickInstanceID
SDL_JoystickName
SDL_JoystickNumAxes
SDL_JoystickNumBalls
SDL_JoystickNumButtons
SDL_JoystickNumHats
SDL_JoystickOpen
SDL_MinimizeWindow
SDL_NumJoysticks
SDL_OpenAudioDevice
SDL_PauseAudioDevice
SDL_PollEvent
SDL_PumpEvents
SDL_Quit
SDL_QuitSubSystem
SDL_RestoreWindow
SDL_SetClipboardText
SDL_SetHint
SDL_SetRelativeMouseMode
SDL_SetTextInputRect
SDL_SetWindowBordered
SDL_SetWindowDisplayMode
SDL_SetWindowFullscreen
SDL_SetWindowGrab
SDL_SetWindowPosition
SDL_SetWindowResizable
SDL_SetWindowSize
SDL_ShowSimpleMessageBox
SDL_StartTextInput
SDL_StopTextInput
SDL_Vulkan_CreateSurface
SDL_Vulkan_GetInstanceExtensions
SDL_WasInit
SDL_free
SDL_getenv
SDL_setenv

avformat-60

av_dump_format
av_interleaved_write_frame
av_write_trailer
avformat_alloc_output_context2
avformat_free_context
avformat_new_stream
avformat_write_header
avio_closep
avio_open

avcodec-60

av_packet_alloc
av_packet_free
av_packet_rescale_ts
avcodec_alloc_context3
avcodec_find_encoder
avcodec_free_context
avcodec_get_name
avcodec_open2
avcodec_parameters_from_context
avcodec_receive_packet
avcodec_send_frame

avutil-58

av_channel_layout_from_mask
av_dict_copy
av_dict_free
av_frame_alloc
av_frame_free
av_frame_get_buffer
av_frame_make_writable
av_log_set_level
av_opt_set
av_opt_set_int
av_opt_set_sample_fmt
av_rescale_q
av_rescale_rnd
av_samples_fill_arrays
av_strerror

swscale-7

sws_freeContext
sws_getCachedContext
sws_scale

swresample-4

swr_alloc
swr_convert
swr_free
swr_get_delay
swr_init

libopusfile

op_channel_count
op_open_memory
op_pcm_total
op_read

vulkan-1

vkDestroyRenderPass
vkCreateRenderPass
vkDestroyFramebuffer
vkCreateFramebuffer
vkUpdateDescriptorSets
vkFreeDescriptorSets
vkAllocateDescriptorSets
vkDestroyDescriptorPool
vkCreateDescriptorPool
vkDestroyDescriptorSetLayout
vkCreateDescriptorSetLayout
vkDestroySampler
vkCreateSampler
vkQueuePresentKHR
vkAcquireNextImageKHR
vkGetSwapchainImagesKHR
vkDestroySwapchainKHR
vkCreateSwapchainKHR
vkGetPhysicalDeviceSurfacePresentModesKHR
vkGetPhysicalDeviceSurfaceFormatsKHR
vkGetPhysicalDeviceSurfaceCapabilitiesKHR
vkGetPhysicalDeviceSurfaceSupportKHR
vkDestroySurfaceKHR
vkCmdExecuteCommands
vkCmdEndRenderPass
vkCmdBeginRenderPass
vkCmdPushConstants
vkCmdPipelineBarrier
vkCmdClearAttachments
vkCmdCopyBufferToImage
vkCmdBlitImage
vkCmdCopyImage
vkCmdCopyBuffer
vkCmdDrawIndexed
vkCmdDraw
vkCmdBindVertexBuffers
vkCmdBindIndexBuffer
vkCmdBindDescriptorSets
vkCmdSetScissor
vkCmdSetViewport
vkCmdBindPipeline
vkResetCommandBuffer
vkEndCommandBuffer
vkBeginCommandBuffer
vkFreeCommandBuffers
vkDestroyPipelineLayout
vkCreateInstance
vkDestroyInstance
vkEnumeratePhysicalDevices
vkGetPhysicalDeviceFormatProperties
vkGetPhysicalDeviceProperties
vkGetPhysicalDeviceQueueFamilyProperties
vkResetFences
vkGetInstanceProcAddr
vkCreateDevice
vkDestroyDevice
vkEnumerateDeviceExtensionProperties
vkEnumerateInstanceLayerProperties
vkGetDeviceQueue
vkQueueSubmit
vkQueueWaitIdle
vkDeviceWaitIdle
vkAllocateMemory
vkFreeMemory
vkMapMemory
vkUnmapMemory
vkCreatePipelineLayout
vkDestroyPipeline
vkCreateGraphicsPipelines
vkDestroyShaderModule
vkCreateShaderModule
vkDestroyImageView
vkCreateImageView
vkGetImageSubresourceLayout
vkDestroyImage
vkDestroyFence
vkCreateFence
vkGetImageMemoryRequirements
vkGetBufferMemoryRequirements
vkDestroyBuffer
vkCreateBuffer
vkDestroySemaphore
vkAllocateCommandBuffers
vkBindImageMemory
vkBindBufferMemory
vkCreateSemaphore
vkWaitForFences
vkInvalidateMappedMemoryRanges
vkFlushMappedMemoryRanges
vkDestroyCommandPool
vkCreateImage
vkGetPhysicalDeviceMemoryProperties
vkCreateCommandPool

steam_api

SteamAPI_Init
SteamAPI_GetHSteamPipe
SteamAPI_Shutdown
SteamAPI_ManualDispatch_Init
SteamAPI_ManualDispatch_FreeLastCallback
SteamAPI_ManualDispatch_GetNextCallback
SteamAPI_ManualDispatch_RunFrame
SteamAPI_SteamApps_v008
SteamAPI_ISteamApps_GetLaunchCommandLine
SteamAPI_ISteamFriends_SetRichPresence
SteamAPI_ISteamFriends_GetPersonaName
SteamAPI_ISteamFriends_ClearRichPresence
SteamAPI_SteamFriends_v017

opengl32

glDrawElements
glViewport
glVertexPointer
glTexSubImage2D
glTexParameteri
glTexParameterf
glTexImage2D
glTexCoordPointer
glScissor
glReadPixels
glReadBuffer
glPixelStorei
glOrtho
glMatrixMode
glLoadIdentity
glGenTextures
glFinish
glEnableClientState
glEnable
glDrawArrays
glDisableClientState
glDisable
glDepthMask
glDeleteTextures
glColorPointer
glClearColor
glClear
glBlendFunc
glBindTexture
glAlphaFunc
wglGetProcAddress
glGetString
glGetIntegerv

imm32

ImmGetCandidateListW
ImmGetContext
ImmReleaseContext

libcurl

curl_easy_cleanup
curl_easy_escape
curl_easy_init
curl_easy_setopt
curl_free
curl_global_cleanup
curl_global_init
curl_multi_add_handle
curl_multi_cleanup
curl_multi_info_read
curl_multi_init
curl_multi_perform
curl_multi_poll
curl_multi_remove_handle
curl_multi_strerror
curl_multi_wakeup
curl_slist_append
curl_slist_free_all
curl_version_info

sqlite3

sqlite3_bind_int
sqlite3_bind_text
sqlite3_close
sqlite3_column_int
sqlite3_column_text
sqlite3_errmsg
sqlite3_exec
sqlite3_finalize
sqlite3_open
sqlite3_prepare_v2
sqlite3_reset
sqlite3_step

shlwapi

PathIsRelativeW

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

ws2_32

__WSAFDIsSet
bind
closesocket
ioctlsocket
htons
select
socket
WSAGetLastError
WSAStringToAddressA
getaddrinfo
freeaddrinfo
sendto
WSAStartup
recvfrom
setsockopt

ole32

CoUninitialize
CoInitializeEx

shell32

ShellExecuteExW
SHChangeNotify
CommandLineToArgvW

ntdll

RtlCaptureContext
NtWriteFile
RtlUnwindEx
RtlNtStatusToDosError
RtlPcToFileHeader
RtlUnwind
RtlLookupFunctionEntry
RtlVirtualUnwind

discord_game_sdk

DiscordCreate

kernel32

GetDateFormatW
GetConsoleOutputCP
GetCommandLineA
WriteFile
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
SetStdHandle
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InterlockedPushEntrySList
RaiseException
GetCPInfo
GetStringTypeW
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
GetLocaleInfoEx
InitializeConditionVariable
GetNativeSystemInfo
GetExitCodeThread
InitializeSRWLock
GetStartupInfoW
IsDebuggerPresent
GetCurrentThreadId
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
InitializeSListHead
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
GetFileSizeEx
FindFirstFileExW
IsValidCodePage
GetACP
GetSystemTimeAsFileTime
ReadConsoleW
GetOEMCP
ExitProcess
GetModuleHandleW
CreateEventW
GetModuleHandleA
CreateMutexA
LoadLibraryA
WaitForSingleObjectEx
AcquireSRWLockShared
HeapReAlloc
HeapFree
GetProcessHeap
HeapAlloc
QueryPerformanceFrequency
TryAcquireSRWLockExclusive
WakeConditionVariable
SleepConditionVariableSRW
WakeAllConditionVariable
GetCurrentProcessId
SetFilePointerEx
SetEnvironmentVariableW
GetEnvironmentVariableW
GetEnvironmentStringsW
SetLastError
GetProcAddress
GetCurrentThread
GetCurrentProcess
AcquireSRWLockExclusive
QueryPerformanceCounter
ReleaseSRWLockShared
ReleaseMutex
FreeEnvironmentStringsW
ReleaseSRWLockExclusive
GetUserDefaultLocaleName
WideCharToMultiByte
MultiByteToWideChar
MoveFileExW
FormatMessageW
LocalFree
GetModuleFileNameW
CreateThread
GetExitCodeProcess
TerminateProcess
CreateSemaphoreW
Sleep
WaitForSingleObject
ReleaseSemaphore
RemoveDirectoryW
GetFileAttributesW
FlushFileBuffers
FindNextFileW
FindFirstFileW
FindClose
DeleteFileW
CreateFileW
CreateDirectoryW
GetCurrentDirectoryW
GetCommandLineW
SetConsoleTextAttribute
GetConsoleScreenBufferInfo
SetConsoleOutputCP
WriteConsoleW
SetConsoleMode
GetConsoleMode
AttachConsole
GetFileType
GetStdHandle
CreateNamedPipeW
PeekNamedPipe
DisconnectNamedPipe
ConnectNamedPipe
GetLastError
CloseHandle
ReadFile
GetTimeFormatW
HeapSize

advapi32

RegDeleteTreeW
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
CryptReleaseContext
RegGetValueW
CryptAcquireContextW
CryptGenRandom

Sections

.text
Size: 2.8MB - Virtual size: 2.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 775KB - Virtual size: 775KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 110KB - Virtual size: 402KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 98KB - Virtual size: 97KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 32KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a72d86dcda5fc40e78b5be688b300580

Headers

DLL Characteristics

File Characteristics

Imports

libfreetype

libpng16-16

sdl2

avformat-60

avcodec-60

avutil-58

swscale-7

swresample-4

libopusfile

vulkan-1

steam_api

opengl32

imm32

libcurl

sqlite3

shlwapi

version

ws2_32

ole32

shell32

ntdll

discord_game_sdk

kernel32

advapi32

Sections

.text Size: 2.8MB - Virtual size: 2.8MB

.rdata Size: 775KB - Virtual size: 775KB

.data Size: 110KB - Virtual size: 402KB

.pdata Size: 98KB - Virtual size: 97KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 32KB - Virtual size: 32KB

.reloc Size: 20KB - Virtual size: 20KB

.text
Size: 2.8MB - Virtual size: 2.8MB

.rdata
Size: 775KB - Virtual size: 775KB

.data
Size: 110KB - Virtual size: 402KB

.pdata
Size: 98KB - Virtual size: 97KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 32KB - Virtual size: 32KB

.reloc
Size: 20KB - Virtual size: 20KB