YimMenu[.]dll | Triage

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General

Target

YimMenu.dll
Size

10.9MB
MD5

05e288bfedd9e23bf84dab09e3664618
SHA1

5d7209bc26ea12bcf5dcb412ba898209119f56a4
SHA256

8ef3ef337f071a51df696e95b71b1540cb2ab594acd2c52beea78d453fd89dab
SHA512

b6b4f813b541a0c9399fe572374b7b2ee5473a666677c1a234e7bc30eb5e2637325716d5ae97c6e9f7bb9b0bd23c11912149907c9d98ce7de1235d92a1914b69
SSDEEP

98304:lflG/DL/sJU5DRlM6JOodxiNYfI4q2FBLo3+79lhhQ13+0i:5Q/DL/b5jMQ/LfI4zF179lhhQR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
YimMenu.dll

Files

YimMenu.dll
.dll windows:6 windows x64 arch:x64

2621ee56b2097666e2467b2156f765ea

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\action-runner\_work\YimMenu\YimMenu\build\YimMenu.pdb

Imports

dbghelp

SymFromAddr
SymCleanup
SymGetLineFromAddr64
SymInitialize
StackWalk64
SymFunctionTableAccess64
SymGetModuleBase64

ws2_32

WSACloseEvent
send
getsockopt
htons
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
ioctlsocket
getpeername
recv
listen
getsockname
connect
bind
accept
select
__WSAFDIsSet
WSAIoctl
setsockopt
htonl
freeaddrinfo
getaddrinfo
socket
WSAResetEvent
WSACleanup
WSAStartup
inet_ntop
WSASetLastError
ntohs
WSAGetLastError
closesocket
WSAWaitForMultipleEvents
inet_pton

advapi32

RegOpenKeyExA
RegQueryValueExA
RegCloseKey
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptAcquireContextA

crypt32

CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CertGetNameStringA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
CertFindExtension
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CryptStringToBinaryA

bcrypt

BCryptGenRandom

kernel32

SystemTimeToTzSpecificLocalTime
PeekNamedPipe
GetDriveTypeW
GetFileType
CreateProcessW
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
WaitForSingleObject
GetExitCodeProcess
CreatePipe
DeleteFileW
SetStdHandle
SetEndOfFile
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
HeapSize
DuplicateHandle
ExitThread
GetModuleHandleA
VirtualAlloc
VirtualFree
GetCurrentThreadId
GetModuleFileNameA
WideCharToMultiByte
GetLastError
K32GetModuleInformation
GetCurrentProcess
lstrcpyW
SetErrorMode
SetUnhandledExceptionFilter
IsBadReadPtr
SetConsoleMode
FreeConsole
AttachConsole
GetCurrentProcessId
AllocConsole
GetStdHandle
SetConsoleTitleA
SetConsoleOutputCP
GetConsoleMode
GetCurrentThread
VirtualProtect
GetProcAddress
LoadLibraryA
GlobalFree
CloseHandle
FreeLibraryAndExitThread
WriteConsoleW
CreateThread
CreateFiber
DeleteFiber
SwitchToFiber
ConvertThreadToFiber
GetModuleFileNameW
HeapCreate
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
Sleep
FileTimeToSystemTime
SuspendThread
ResumeThread
GetThreadContext
SetThreadContext
FlushInstructionCache
GetModuleHandleW
CreateToolhelp32Snapshot
Thread32First
Thread32Next
GetSystemInfo
VirtualQuery
MultiByteToWideChar
GlobalAlloc
GlobalLock
GlobalUnlock
GetLocaleInfoA
QueryPerformanceFrequency
VerSetConditionMask
FreeLibrary
QueryPerformanceCounter
LoadLibraryExA
FormatMessageA
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
GetSystemDirectoryA
GetEnvironmentVariableA
SetLastError
FormatMessageW
MoveFileExA
WaitForSingleObjectEx
SleepEx
VerifyVersionInfoW
CreateFileA
GetFileSizeEx
ReadFile
InterlockedFlushSList
RtlUnwindEx
InitializeSListHead
GetStartupInfoW
IsDebuggerPresent
TerminateProcess
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetCPInfo
GetSystemTimeAsFileTime
LCMapStringEx
DecodePointer
EncodePointer
InitOnceComplete
InitOnceBeginInitialize
RaiseException
ExitProcess
ReadConsoleW
WriteFile
GetConsoleOutputCP
SetFilePointerEx
LoadLibraryExW
TlsFree
FlushFileBuffers
FlsAlloc
FlsGetValue
OpenThread
FlsSetValue
DisableThreadLibraryCalls
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
LocalFree
GetLocaleInfoEx
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileW
FindFirstFileExW
FindNextFileW
GetFileAttributesExW
GetFileInformationByHandle
GetFinalPathNameByHandleW
GetFullPathNameW
SetFileInformationByHandle
GetTempPathW
AreFileApisANSI
MoveFileExW
GetFileInformationByHandleEx
TryAcquireSRWLockExclusive
SwitchToThread
GetExitCodeThread
GetStringTypeW
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
GetModuleHandleExW
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
IsProcessorFeaturePresent
RtlPcToFileHeader
RtlUnwind

user32

LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
TrackMouseEvent
GetKeyboardLayout
SetCapture
SetCursor
GetClientRect
IsWindowUnicode
ReleaseCapture
GetMessageExtraInfo
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
FindWindowW
FindWindowA
CallWindowProcW
SetWindowLongPtrW
SetCursorPos
GetCursorPos
GetAsyncKeyState
GetForegroundWindow
SetWindowsHookExA
UnhookWindowsHookEx
GetKeyState

winmm

timeGetTime

imm32

ImmSetCandidateWindow
ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext

d3dcompiler_47

D3DCompile

Sections

.text
Size: 8.6MB - Virtual size: 8.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 167KB - Virtual size: 604KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 314KB - Virtual size: 313KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 504B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2621ee56b2097666e2467b2156f765ea

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

dbghelp

ws2_32

advapi32

crypt32

bcrypt

kernel32

user32

winmm

imm32

d3dcompiler_47

Sections

.text Size: 8.6MB - Virtual size: 8.6MB

.rdata Size: 1.8MB - Virtual size: 1.8MB

.data Size: 167KB - Virtual size: 604KB

.pdata Size: 314KB - Virtual size: 313KB

.rsrc Size: 512B - Virtual size: 504B

.reloc Size: 28KB - Virtual size: 28KB

.text
Size: 8.6MB - Virtual size: 8.6MB

.rdata
Size: 1.8MB - Virtual size: 1.8MB

.data
Size: 167KB - Virtual size: 604KB

.pdata
Size: 314KB - Virtual size: 313KB

.rsrc
Size: 512B - Virtual size: 504B

.reloc
Size: 28KB - Virtual size: 28KB