2024-05-07_4c3e6d26cbb08c22a792427256e3e746_ryuk

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General

Target

2024-05-07_4c3e6d26cbb08c22a792427256e3e746_ryuk
Size

12.6MB
MD5

4c3e6d26cbb08c22a792427256e3e746
SHA1

b1a0f1867bedade001952dad6461a9f17697b5a0
SHA256

18d041d52b46016f0dec87aa419546a35773ae35cb248222a3874f57c79ab638
SHA512

e1113875179ba8a1f5f2e0b7d6c655b0bd5a5948bedf76f69cf831721c8ce2a968fb08ff3588727b73890d4fc08ad512ab7797e05e20ccad316e3834f5ee719f
SSDEEP

196608:OLX8SiCGurDz5o/VP7TyT8xw3y0Kl2OCxnSPF9:Or78urDz5o/xT1wi0U2bm9

Score

10^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Dotfuscator

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_SmartAssembly

Detects executables packed with Yano Obfuscator 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Yano

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-07_4c3e6d26cbb08c22a792427256e3e746_ryuk

Files

2024-05-07_4c3e6d26cbb08c22a792427256e3e746_ryuk
.exe windows:5 windows x64 arch:x64

15b0d359b0d004363a1c9a125be29113

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\b\s\w\ir\cache\builder\src\out\Release_x64\software_reporter_tool.exe.pdb

Imports

advapi32

DuplicateTokenEx
EventRegister
EventSetInformation
EventUnregister
EventWrite
GetAce
GetLengthSid
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetSecurityInfo
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
OpenProcessToken
RegCloseKey
RegDisablePredefinedCache
RegOpenKeyExW
RegQueryValueExW
RevertToSelf
SetSecurityInfo
SetTokenInformation
SystemFunction036

user32

UnregisterClassW

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateThread
DecodePointer
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessHeaps
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetVersionExW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadResource
LocalFree
LockResource
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ResetEvent
SetDefaultDllDirectories
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetProcessMitigationPolicy
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

winmm

timeGetTime

ntdll

RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 701KB - Virtual size: 701KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 142KB - Virtual size: 142KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 27KB

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: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 156B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 11.2MB - Virtual size: 11.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

15b0d359b0d004363a1c9a125be29113

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

user32

kernel32

winmm

ntdll

Exports

Exports

Sections

.text Size: 701KB - Virtual size: 701KB

.rdata Size: 142KB - Virtual size: 142KB

.data Size: 62KB - Virtual size: 104KB

.pdata Size: 27KB - Virtual size: 27KB

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

.gxfg Size: 10KB - Virtual size: 9KB

.retplne Size: 512B - Virtual size: 156B

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 11.2MB - Virtual size: 11.2MB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 701KB - Virtual size: 701KB

.rdata
Size: 142KB - Virtual size: 142KB

.data
Size: 62KB - Virtual size: 104KB

.pdata
Size: 27KB - Virtual size: 27KB

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

.gxfg
Size: 10KB - Virtual size: 9KB

.retplne
Size: 512B - Virtual size: 156B

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 11.2MB - Virtual size: 11.2MB

.reloc
Size: 572KB - Virtual size: 576KB