Static task
static1
Behavioral task
behavioral1
Sample
ybyrikeu.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
ybyrikeu.exe
Resource
win7-20240903-en
Behavioral task
behavioral3
Sample
ybyrikeu.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
ybyrikeu.exe
Resource
win11-20240802-en
General
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Target
ybyrikeu.exe
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Size
14.6MB
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MD5
ca17b0424f909bdc349dc3d80afe6e7f
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SHA1
e158fea33819fdbb6c106c1b0a53bff446008c54
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SHA256
83dc7a944be536ebd5cdda86381f84235930e36be9fea78504e0a997763ace58
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SHA512
f2d7c03b64e2ee0ca64d1b5dc57c2bd4eb44d9b77c9e4e4cce7a6672648b6676f9f78ba5bac79733aa5cdbeb0d6bfbe5064581fd3bf4d8dc5c9b73c795b67906
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SSDEEP
6144:kc6OZDisWsD0Td2HJxO+m8PuG1R4WnWjrsaz:k1OZDisvwdaxO0PuG1R4CWs
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource ybyrikeu.exe
Files
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ybyrikeu.exe.exe windows:5 windows x86 arch:x86
526678b0f88b7214e779e54df5f3d8dd
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
SetEnvironmentVariableW
CreateJobObjectW
InterlockedCompareExchange
UnlockFile
CreateHardLinkA
GetTickCount
CreateNamedPipeW
FindNextVolumeMountPointA
SetCommState
GlobalAlloc
LoadLibraryW
GetCalendarInfoA
SetVolumeMountPointA
GetSystemWindowsDirectoryA
GetConsoleAliasExesLengthW
GetFileAttributesW
GetModuleFileNameW
CreateActCtxA
GetThreadPriorityBoost
VerifyVersionInfoW
GetLogicalDriveStringsA
SetLastError
GetProcAddress
GetConsoleDisplayMode
GetProcessVersion
InterlockedExchangeAdd
CreateFileMappingW
SetDefaultCommConfigW
CreateEventW
OpenEventA
GlobalWire
EnumDateFormatsA
EnumResourceNamesA
VirtualProtect
GetCurrentDirectoryA
WaitForDebugEvent
PeekConsoleInputA
GetShortPathNameW
SetProcessShutdownParameters
SetFileShortNameA
GetDiskFreeSpaceExA
ReadConsoleInputW
GetTempPathA
EnumCalendarInfoExA
LocalFree
TlsFree
LCMapStringW
CommConfigDialogW
WriteConsoleW
CloseHandle
FlushFileBuffers
GetConsoleMode
GetConsoleCP
GetCurrentProcess
SetEndOfFile
GetConsoleAliasExesA
GetNumberFormatW
GetLocaleInfoA
MultiByteToWideChar
GetLastError
HeapFree
HeapReAlloc
GetModuleHandleW
ExitProcess
DecodePointer
GetCommandLineA
HeapSetInformation
GetStartupInfoW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
TerminateProcess
GetCPInfo
InterlockedIncrement
InterlockedDecrement
GetACP
GetOEMCP
IsValidCodePage
TlsAlloc
TlsGetValue
TlsSetValue
GetCurrentThreadId
HeapAlloc
IsProcessorFeaturePresent
HeapCreate
ReadFile
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
Sleep
GetStringTypeW
RaiseException
SetFilePointer
SetStdHandle
RtlUnwind
HeapSize
CreateFileW
user32
DrawStateA
LoadMenuW
CharUpperW
GetSysColor
GetMenuStringA
GetCaretPos
SetMenu
gdi32
GetCharWidthFloatA
CreateDCW
GetCharWidth32A
GetBitmapBits
Sections
.text Size: 252KB - Virtual size: 252KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 95KB - Virtual size: 1.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tuhorak Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 14.2MB - Virtual size: 73KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ