2024-01-08_9861b54b4a439dd5865d3f1096bc3e97_ryuk

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General

Target

2024-01-08_9861b54b4a439dd5865d3f1096bc3e97_ryuk
Size

115KB
MD5

9861b54b4a439dd5865d3f1096bc3e97
SHA1

37349bf4ef3ed116ab6156aa74f59949939a3629
SHA256

3b2287bec07d1d3b79e3ab7a0cc74a9e15e8c497ad5c22a0da983dc4dfd95f7c
SHA512

45d4c34932b173b52c98c8cc25a47745597069ed1322183f108bda38af3c423a437e759bee8cdec796f75588c1a79e03c9690edbb432dfbf4d26ad6c4e818087
SSDEEP

3072:taA6OD/u1ZwHCNf34bJtYCQwOGNbpfRc5h5pDmPw:YdT1ZwiNv4bJUw18jF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-08_9861b54b4a439dd5865d3f1096bc3e97_ryuk

Files

2024-01-08_9861b54b4a439dd5865d3f1096bc3e97_ryuk
.exe windows:6 windows x64 arch:x64

be9f7b2df25bf524cbf37d1cfe94c3c4

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

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

Exports

Exports

rotatePayload

Sections

.text
Size: 66KB - Virtual size: 66KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 38KB

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: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

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

be9f7b2df25bf524cbf37d1cfe94c3c4

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 66KB - Virtual size: 66KB

.rdata Size: 39KB - Virtual size: 38KB

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

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 160B

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

.text
Size: 66KB - Virtual size: 66KB

.rdata
Size: 39KB - Virtual size: 38KB

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

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 160B

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