2024-01-18_ccb8a99de93cc67d909ab4ac7d37d309_ryuk

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General

Target

2024-01-18_ccb8a99de93cc67d909ab4ac7d37d309_ryuk
Size

241KB
MD5

ccb8a99de93cc67d909ab4ac7d37d309
SHA1

1e8773b26c3f4e4b51db65af574a02bf398166b4
SHA256

ac59650bf4d257734d869bdd7176eb395d7897a3ac173d17d7fb469e3140b042
SHA512

0f4bd63477e0c863e8701ba189061cf91fd04587f0fc14cf2ef4a6cabd0e44ad0d063a4353687cf3d5eaad9d5ea25b6ebc3a64cf847ef9f99f13326cbfe5adf5
SSDEEP

6144:bqOpDSODnjqVgV0tznJlzuROx/dhYfEgH9P1OICV:b+ODnGmmVFCf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-18_ccb8a99de93cc67d909ab4ac7d37d309_ryuk

Files

2024-01-18_ccb8a99de93cc67d909ab4ac7d37d309_ryuk
.exe windows:6 windows x64 arch:x64

a2236f672969111e6e9e633ac84e166f

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

kernel32

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

user32

wsprintfW
MessageBoxW

shell32

ShellExecuteExW

shlwapi

PathCombineW
PathRemoveFileSpecW
PathCanonicalizeW

Sections

.text
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 192B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 154KB - Virtual size: 154KB

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

a2236f672969111e6e9e633ac84e166f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

shlwapi

Sections

.text Size: 41KB - Virtual size: 41KB

.rdata Size: 36KB - Virtual size: 36KB

.data Size: 2KB - Virtual size: 7KB

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

.gfids Size: 512B - Virtual size: 192B

.rsrc Size: 154KB - Virtual size: 154KB

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

.text
Size: 41KB - Virtual size: 41KB

.rdata
Size: 36KB - Virtual size: 36KB

.data
Size: 2KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 192B

.rsrc
Size: 154KB - Virtual size: 154KB

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