2024-01-08_151c3efb7b5b6e7fac2603ce90c40849_ryuk

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General

Target

2024-01-08_151c3efb7b5b6e7fac2603ce90c40849_ryuk
Size

132KB
MD5

151c3efb7b5b6e7fac2603ce90c40849
SHA1

1334afe906903a1c33c187b15220f290ef75e779
SHA256

c5f47d9815494f086ecf38fcffb1d9b87921ae47e3e69dd16672b04d6827e7cd
SHA512

d13fb09d94ce2b56e4df778a1d6af8f5f9a2f7f9a8b96288b09e9547fe4d16baba51ed37333f007c54be56a8511c00f3a1f5882c9d04086a4779a93d1ef7e600
SSDEEP

3072:t/4vQatursKIIUbH6VU7YbxR7wggnLfVAuL:V4r4VIIY7Cb7K

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-08_151c3efb7b5b6e7fac2603ce90c40849_ryuk

Files

2024-01-08_151c3efb7b5b6e7fac2603ce90c40849_ryuk
.exe windows:6 windows x64 arch:x64

8516719a42ef8effa014b2051902e5e5

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

opensc

sc_notify_init
sc_lock
sc_wait_for_event
sc_detect_card_presence
sc_connect_card
sc_ctx_get_reader_count
sc_ctx_get_reader_by_name
sc_ctx_get_reader
sc_ctx_detect_readers
sc_pkcs15_unbind
sc_pkcs15_bind
sc_hex_to_bin
sc_card_ctl
sc_unlock
sc_disconnect_card
sc_release_context
sc_context_create
sc_strerror

kernel32

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

Sections

.text
Size: 79KB - Virtual size: 78KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

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

8516719a42ef8effa014b2051902e5e5

Headers

DLL Characteristics

File Characteristics

Imports

opensc

kernel32

Sections

.text Size: 79KB - Virtual size: 78KB

.rdata Size: 40KB - Virtual size: 39KB

.data Size: 3KB - Virtual size: 8KB

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

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 79KB - Virtual size: 78KB

.rdata
Size: 40KB - Virtual size: 39KB

.data
Size: 3KB - Virtual size: 8KB

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

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 1KB - Virtual size: 1KB

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