2024-04-23_f305e30f3d506500bfbb7daa85f6b438_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-04-23_f305e30f3d506500bfbb7daa85f6b438_ryuk
Size

1.2MB
MD5

f305e30f3d506500bfbb7daa85f6b438
SHA1

db944c5db0e83e12316399bf1f26ded6569e2064
SHA256

556e1c5dec768aefdda9a61bbe19adc14d30010e489dfcb2203c9863e9416093
SHA512

03e0c27a593001e61b725fb0bd4256fd536043f2cfd80d5e52d39139d35b589ef89273eb41aed457cddce22502788e4a482bf770eb62ae3472c267462bbae857
SSDEEP

24576:rbv76vmu7S9+GDGiXYukQWuCbHk648EVa:rSuu7u+GDGMYuksCb5E0

Score

1^/10

Malware Config

Signatures

Files

2024-04-23_f305e30f3d506500bfbb7daa85f6b438_ryuk
.exe windows:10 windows x64 arch:x64

d169f31f49b42859e2ce59dd826e3f8b

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

79:42:21:02:f0:c1:87:66:e5:d8:65:cc:26:fd:e0:97:7d:9c:30:d7:9d:e8:a3:e2:a5:f4:be:b5:ce:67:0d:f6
Signer

Actual PE Digest

79:42:21:02:f0:c1:87:66:e5:d8:65:cc:26:fd:e0:97:7d:9c:30:d7:9d:e8:a3:e2:a5:f4:be:b5:ce:67:0d:f6

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\_work\e\src\out\Release_x64\identity_helper.exe.pdb

Imports

msedge_elf

GetInstallDetailsPayload
SignalInitializeCrashReporting

advapi32

BuildTrusteeWithSidW
ConvertStringSidToSidW
CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetTokenInformation
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
OpenProcessToken
RegCloseKey
RegGetValueW
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
PostQuitMessage
RegisterClassExW
ShowWindow
TranslateMessage

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileMappingW
CreateFileW
CreateThread
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
PrefetchVirtualMemory
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetProcessShutdownParameters
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize

ole32

CoCreateInstance
CoTaskMemFree

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
VariantClear

winmm

timeGetTime

Exports

Exports

GetHandleVerifier
OQS_CPU_has_extension
OQS_KEM_alg_count
OQS_KEM_alg_identifier
OQS_KEM_alg_is_enabled
OQS_KEM_decaps
OQS_KEM_encaps
OQS_KEM_free
OQS_KEM_keypair
OQS_KEM_kyber_768_decaps
OQS_KEM_kyber_768_encaps
OQS_KEM_kyber_768_keypair
OQS_KEM_new
OQS_MEM_cleanse
OQS_MEM_insecure_free
OQS_MEM_secure_bcmp
OQS_MEM_secure_free
OQS_SIG_alg_count
OQS_SIG_alg_identifier
OQS_SIG_alg_is_enabled
OQS_SIG_free
OQS_SIG_keypair
OQS_SIG_new
OQS_SIG_sign
OQS_SIG_verify
OQS_destroy
OQS_init
OQS_randombytes
OQS_randombytes_custom_algorithm
OQS_randombytes_nist_kat_init_256bit
OQS_randombytes_switch_algorithm
OQS_version

Sections

.text
Size: 914KB - Virtual size: 914KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 178KB - Virtual size: 177KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 63KB - Virtual size: 98KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 405B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

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: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d169f31f49b42859e2ce59dd826e3f8b

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

79:42:21:02:f0:c1:87:66:e5:d8:65:cc:26:fd:e0:97:7d:9c:30:d7:9d:e8:a3:e2:a5:f4:be:b5:ce:67:0d:f6Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msedge_elf

advapi32

dbghelp

user32

kernel32

api-ms-win-core-winrt-l1-1-0

ole32

shell32

oleaut32

winmm

Exports

Exports

Sections

.text Size: 914KB - Virtual size: 914KB

.rdata Size: 178KB - Virtual size: 177KB

.data Size: 63KB - Virtual size: 98KB

.pdata Size: 37KB - Virtual size: 36KB

.gxfg Size: 10KB - Virtual size: 10KB

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 405B

_RDATA Size: 512B - Virtual size: 500B

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

.reloc Size: 5KB - Virtual size: 5KB

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

79:42:21:02:f0:c1:87:66:e5:d8:65:cc:26:fd:e0:97:7d:9c:30:d7:9d:e8:a3:e2:a5:f4:be:b5:ce:67:0d:f6
Signer

.text
Size: 914KB - Virtual size: 914KB

.rdata
Size: 178KB - Virtual size: 177KB

.data
Size: 63KB - Virtual size: 98KB

.pdata
Size: 37KB - Virtual size: 36KB

.gxfg
Size: 10KB - Virtual size: 10KB

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 405B

_RDATA
Size: 512B - Virtual size: 500B

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

.reloc
Size: 5KB - Virtual size: 5KB