KoikatsuSunshine[.]exe

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General

Target

KoikatsuSunshine.exe
Size

635KB
MD5

90cc85d40b159bde0969642817d5a2a8
SHA1

58d14f2e3e61f4e05278419d77a51f751a88b3a5
SHA256

738755c7d380c6635ffbd55b1ee6b193f776e06d3bbddbc9ec49d7bba20e0d54
SHA512

a4b941d18f368d2221f1037042b6c7856b48198b110d33b45edd2fb7eb40b37e7452c225337155b696e6c1c94435775c71422dd2e069fb57fa5d9b4669c2e340
SSDEEP

12288:77qTUR3oSK3bt5czJDEbf5lgZ7gVkv8AMy6D4sB:3quY/3bDczJE4Z76k0bGA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
KoikatsuSunshine.exe

Files

KoikatsuSunshine.exe
.exe windows:6 windows x64 arch:x64

fd60dddc87379c239e8ac49516966c3e

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

PDB Paths

C:\buildslave\unity\build\artifacts\WindowsPlayer\Win64_nondev_m_r\WindowsPlayer_Master_mono_x64.pdb

Imports

unityplayer

UnityMain

kernel32

GetModuleHandleExW
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
CloseHandle
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
CreateFileW

Exports

Exports

AmdPowerXpressRequestHighPerformance
NvOptimusEnablement

Sections

.text
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 552KB - Virtual size: 552KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fd60dddc87379c239e8ac49516966c3e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

unityplayer

kernel32

Exports

Exports

Sections

.text Size: 39KB - Virtual size: 39KB

.rdata Size: 34KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 3KB - Virtual size: 3KB

.rsrc Size: 552KB - Virtual size: 552KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 39KB - Virtual size: 39KB

.rdata
Size: 34KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 3KB - Virtual size: 3KB

.rsrc
Size: 552KB - Virtual size: 552KB

.reloc
Size: 2KB - Virtual size: 1KB