2024-01-19_85bdaabca2b907ec55da0e2daf6e818f_ryuk

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General

Target

2024-01-19_85bdaabca2b907ec55da0e2daf6e818f_ryuk
Size

210KB
MD5

85bdaabca2b907ec55da0e2daf6e818f
SHA1

0b4d101d8821da0871795ba4e71a635f49810338
SHA256

344c95b1b165eff10110606c6ccc081fa01ca098ba205b74a3156f587de6b127
SHA512

02d7090c497cc34ebafa74dc48bcb0ecf5fa2a3ba63bb9161b4436600dd8c7aef91da2c3e5514834a28dbe739efc5da3fc0bd9be087b998f8981bdd9f2d68e46
SSDEEP

3072:D3WJJ+sSlGWZWpMa5sSJRDn/zzr1PcRNfIqZmMN5YfhCeISPnnKPE9/ktrO:D3W+fZWpMvIR7jleNgq0WyWSfZ/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-19_85bdaabca2b907ec55da0e2daf6e818f_ryuk

Files

2024-01-19_85bdaabca2b907ec55da0e2daf6e818f_ryuk
.exe windows:6 windows x64 arch:x64

b7120575bd6ea9ff7c9b669e108fccc5

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_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_color_fprintf
sc_asn1_print_tags
sc_get_version
sc_hex_to_bin
sc_append_path_id
sc_format_path
sc_path_set
sc_file_get_acl_entry
sc_file_add_acl_entry
sc_file_free
sc_file_new
sc_card_ctl
sc_delete_file
sc_create_file
sc_pin_cmd
sc_get_challenge
sc_put_data
sc_get_data
sc_update_record
sc_read_record
sc_update_binary
sc_read_binary
sc_list_files
sc_select_file
sc_unlock
sc_lock
sc_disconnect_card
sc_set_card_driver
sc_ctx_log_to_file
sc_release_context
sc_context_create
sc_check_sw
sc_bytes2apdu
sc_transmit_apdu
sc_strerror

kernel32

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

Sections

.text
Size: 141KB - Virtual size: 140KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 80KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

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

b7120575bd6ea9ff7c9b669e108fccc5

Headers

DLL Characteristics

File Characteristics

Imports

opensc

kernel32

Sections

.text Size: 141KB - Virtual size: 140KB

.rdata Size: 46KB - Virtual size: 45KB

.data Size: 11KB - Virtual size: 80KB

.pdata Size: 6KB - Virtual size: 6KB

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

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

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

.text
Size: 141KB - Virtual size: 140KB

.rdata
Size: 46KB - Virtual size: 45KB

.data
Size: 11KB - Virtual size: 80KB

.pdata
Size: 6KB - Virtual size: 6KB

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

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

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