2024-02-11_143dcf4a3167d467ee7e22b2fcf5fea7_ryuk

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General

Target

2024-02-11_143dcf4a3167d467ee7e22b2fcf5fea7_ryuk
Size

1.6MB
MD5

143dcf4a3167d467ee7e22b2fcf5fea7
SHA1

a379fbb660efddee662baede1bb4dd7d99f9d28f
SHA256

5c3b4fb81afca741c4a01e1f2c7b0c15946e264caf76aa94cbbe7a5407bc4f89
SHA512

1d22f40c3f395fb9089f4a2a3975f7d37d511bd96f1cfe67a97093af12c112297b824bcbe83606f8f3c8528d92bcd96a1e981818fba4ba9cb036028d26fb1b51
SSDEEP

24576:q2VnbhVNkPRZCKS3ZSZ/6rhYRRYMSkkkkkkkiLEAn:q2nvNqRgTFrh9n

Score

1^/10

Malware Config

Signatures

Files

2024-02-11_143dcf4a3167d467ee7e22b2fcf5fea7_ryuk
.exe windows:5 windows x64 arch:x64

c86d094400ed5d431a7b1ceb86e0064f

Code Sign

33:00:00:03:3e:63:3a:86:bf:41:73:d7:e0:00:00:00:00:03:3e
Certificate

Issuer

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

Not Before

16-02-2023 20:10

Not After

31-01-2024 20:10

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

87:3c:a1:5d:ec:ff:19:86:aa:43:cc:df:42:22:38:82:78:ef:f1:ef:95:69:d6:3b:54:73:f7:f1:53:41:32:61
Signer

Actual PE Digest

87:3c:a1:5d:ec:ff:19:86:aa:43:cc:df:42:22:38:82:78:ef:f1:ef:95:69:d6:3b:54:73:f7:f1:53:41:32:61

Digest Algorithm

sha256

PE Digest Matches

true

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\msedge_pwa_launcher.exe.pdb

Imports

advapi32

CreateProcessAsUserW
CreateProcessWithTokenW
CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
EventRegister
EventSetInformation
EventUnregister
EventWrite
RegCloseKey
RegCreateKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

winmm

timeGetTime

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW
lstrlenA

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

user32

AllowSetForegroundWindow
GetActiveWindow

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

ole32

CoTaskMemFree

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

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: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 386KB - Virtual size: 386KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 63KB - Virtual size: 107KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 172B

.tls
Size: 512B - Virtual size: 393B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

LZMADEC
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 72KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c86d094400ed5d431a7b1ceb86e0064f

Code Sign

33:00:00:03:3e:63:3a:86:bf:41:73:d7:e0:00:00:00:00:03:3eCertificate

Extended Key Usages

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

Key Usages

87:3c:a1:5d:ec:ff:19:86:aa:43:cc:df:42:22:38:82:78:ef:f1:ef:95:69:d6:3b:54:73:f7:f1:53:41:32:61Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

winmm

kernel32

userenv

user32

shell32

ole32

ntdll

Exports

Exports

Sections

.text Size: 1.0MB - Virtual size: 1.0MB

.rdata Size: 386KB - Virtual size: 386KB

.data Size: 63KB - Virtual size: 107KB

.pdata Size: 39KB - Virtual size: 39KB

.00cfg Size: 512B - Virtual size: 48B

.gxfg Size: 11KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 172B

.tls Size: 512B - Virtual size: 393B

LZMADEC Size: 4KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 72KB - Virtual size: 71KB

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

33:00:00:03:3e:63:3a:86:bf:41:73:d7:e0:00:00:00:00:03:3e
Certificate

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

87:3c:a1:5d:ec:ff:19:86:aa:43:cc:df:42:22:38:82:78:ef:f1:ef:95:69:d6:3b:54:73:f7:f1:53:41:32:61
Signer

.text
Size: 1.0MB - Virtual size: 1.0MB

.rdata
Size: 386KB - Virtual size: 386KB

.data
Size: 63KB - Virtual size: 107KB

.pdata
Size: 39KB - Virtual size: 39KB

.00cfg
Size: 512B - Virtual size: 48B

.gxfg
Size: 11KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 172B

.tls
Size: 512B - Virtual size: 393B

LZMADEC
Size: 4KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 72KB - Virtual size: 71KB

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