2024-05-03_e435c13ce51bcaa85dd6b0d07bf9968d_ryuk

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General

Target

2024-05-03_e435c13ce51bcaa85dd6b0d07bf9968d_ryuk
Size

942KB
MD5

e435c13ce51bcaa85dd6b0d07bf9968d
SHA1

a640a46a3b147e86614e23c0d41746a04a1bd574
SHA256

f76a303a9715f764ecae723cf7c43d788afe3d1acc4ab62e7b75bb47635e3466
SHA512

e136b0bc9fe59c2d3fee03536d0f2e2a6848fda5b3ec472ba382390549bab611c49d414461985cc4f3607353f7b85ad36741630f2979adb147ad4ac35c738ffc
SSDEEP

24576:J+3VWnWRncfC7IlbbzsE9Ugoip66KfwOI4GofidEE8h+9o4:gFWnWRncfTb/eX7hfw34Gof3E8p4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-03_e435c13ce51bcaa85dd6b0d07bf9968d_ryuk

Files

2024-05-03_e435c13ce51bcaa85dd6b0d07bf9968d_ryuk
.exe windows:5 windows x64 arch:x64

18b450d9e32d3b0027d7d5f4e991b5d1

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\rar\build\unrar64\Release\UnRAR.pdb

Imports

kernel32

DeviceIoControl
SetFileTime
CloseHandle
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
GetDriveTypeW
GetDiskFreeSpaceExW
SetFileAttributesW
GetFileAttributesW
GetVolumeInformationW
ExpandEnvironmentStringsW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetModuleFileNameW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
SetErrorMode
GetModuleHandleW
FreeLibrary
LoadLibraryW
LoadLibraryExW
GetProcAddress
GetCurrentProcessId
GetCurrentThread
GetCurrentProcess
SetThreadExecutionState
CreateEventW
GetSystemDirectoryW
SetPriorityClass
GetProcessAffinityMask
CreateThread
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
CompareStringW
SetFilePointerEx
GetProcessHeap
HeapSize
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
SetConsoleCtrlHandler
FormatMessageW
Sleep
SetLastError
GetLastError
WriteConsoleW
ReadConsoleW
SetConsoleMode
GetConsoleMode
WriteFile
GetStdHandle
GetFileType
SetThreadPriority
GetCommandLineW
FindFirstFileExA
SetStdHandle
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
QueryPerformanceFrequency
GetModuleFileNameA
GetCommandLineA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW

user32

CharLowerW
CharUpperW
MessageBeep
ExitWindowsEx
CharToOemBuffW
CharToOemA
OemToCharBuffA
OemToCharA
LoadStringW

advapi32

FreeSid
AllocateAndInitializeSid
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
LookupPrivilegeValueW
SetFileSecurityW
AdjustTokenPrivileges
OpenProcessToken
CheckTokenMembership

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc

powrprof

SetSuspendState

Sections

.text
Size: 259KB - Virtual size: 259KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 65KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 86KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 216B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

18b450d9e32d3b0027d7d5f4e991b5d1

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

powrprof

Sections

.text Size: 259KB - Virtual size: 259KB

.rdata Size: 65KB - Virtual size: 65KB

.data Size: 5KB - Virtual size: 86KB

.pdata Size: 11KB - Virtual size: 11KB

.gfids Size: 512B - Virtual size: 216B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 30KB - Virtual size: 30KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 259KB - Virtual size: 259KB

.rdata
Size: 65KB - Virtual size: 65KB

.data
Size: 5KB - Virtual size: 86KB

.pdata
Size: 11KB - Virtual size: 11KB

.gfids
Size: 512B - Virtual size: 216B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 30KB - Virtual size: 30KB

.reloc
Size: 568KB - Virtual size: 572KB