2024-01-29_2430fcd8bec791d83b444bbe9dbb880c_ryuk

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General

Target

2024-01-29_2430fcd8bec791d83b444bbe9dbb880c_ryuk
Size

670KB
MD5

2430fcd8bec791d83b444bbe9dbb880c
SHA1

045214b1fdd3d68d289e00fa665543488902fbea
SHA256

3b826e2477c48bc929c1b1684f39d28facd93dcca35d7c852a7514d6b11ddbfd
SHA512

606b389ccee0cc943c590181a97e1d0f6520123cbcf7781d30bec9ca5ff2e788ceb37730d1cd933e2d6588d23bfd79bfefc471091032e3d30832638cd6d83fa8
SSDEEP

12288:Brw0WaEH1vf2Yl3z7EFz0/05Gef0F3RVKMDQfoENQ:BkaEH1vfz33Wz0zef0F3RVKMDQf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-29_2430fcd8bec791d83b444bbe9dbb880c_ryuk

Files

2024-01-29_2430fcd8bec791d83b444bbe9dbb880c_ryuk
.exe windows:6 windows x64 arch:x64

fbae67a4d51bf836b1e92fda2d085569

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

PDB Paths

C:\Users\Romain\Downloads\xgboost\windows\x64\Release\xgboost.pdb

Imports

kernel32

CreateSemaphoreA
Sleep
CloseHandle
WaitForSingleObject
ReleaseSemaphore
SetEndOfFile
HeapSize
WriteConsoleW
CreateFileW
SetStdHandle
FindNextFileA
FindFirstFileExA
FindClose
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
GetProcessHeap
FlushFileBuffers
GetConsoleCP
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
ReadFile
CreateThread
ExitThread
FreeLibraryAndExitThread
HeapAlloc
HeapReAlloc
HeapFree
GetStdHandle
WriteFile
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
SetFilePointerEx
GetConsoleMode
ReadConsoleW

vcomp140

_vcomp_set_num_threads
_vcomp_reduction_r4
_vcomp_fork
_vcomp_for_static_simple_init
_vcomp_for_static_end
_vcomp_for_dynamic_next
_vcomp_for_dynamic_init
_vcomp_barrier
omp_set_num_threads
omp_get_num_threads
omp_get_thread_num
omp_get_num_procs
_vcomp_reduction_r8

ws2_32

send
recv
select
closesocket
getsockopt
WSAGetLastError
__WSAFDIsSet
setsockopt
htons
gethostname
connect
socket
WSAStartup
listen
gethostbyname
bind
accept
WSACleanup
ioctlsocket

advapi32

SystemFunction036

Sections

.text
Size: 477KB - Virtual size: 476KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 149KB - Virtual size: 148KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 548B

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: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fbae67a4d51bf836b1e92fda2d085569

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

vcomp140

ws2_32

advapi32

Sections

.text Size: 477KB - Virtual size: 476KB

.rdata Size: 149KB - Virtual size: 148KB

.data Size: 10KB - Virtual size: 16KB

.pdata Size: 26KB - Virtual size: 26KB

.gfids Size: 1024B - Virtual size: 548B

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

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 477KB - Virtual size: 476KB

.rdata
Size: 149KB - Virtual size: 148KB

.data
Size: 10KB - Virtual size: 16KB

.pdata
Size: 26KB - Virtual size: 26KB

.gfids
Size: 1024B - Virtual size: 548B

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

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 4KB - Virtual size: 4KB