D:\builder\workers\ow64\build\vivaldi\out\Release\initialexe\vivaldi.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-21_c02d49390bc1796ee43760f035d1a24e_cobalt-strike_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-21_c02d49390bc1796ee43760f035d1a24e_cobalt-strike_ryuk
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Size
2.9MB
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MD5
c02d49390bc1796ee43760f035d1a24e
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SHA1
c675b15c482200ba55f7096f0c575b2bdfaac110
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SHA256
58333d08589eb29b5cbe872fe10a0f40ad16575d128e0dce4d044b06926baa0a
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SHA512
c215cfc866e999211ceb231b7fcd433def4ca48c5200248a712888dd59afa0fa001ba042657e0b6c1a974c15cff347201a3289ec0805d5971e9bfa92463936f9
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SSDEEP
49152:i/zjHrJpSP+8EOLZf7ndTvhOFQrC49lFd/jsM3WITuqUEtlIVDR7KlDpn8X:WrfSP+oxmFQLiKveElYDR+lDpn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-09-21_c02d49390bc1796ee43760f035d1a24e_cobalt-strike_ryuk
Files
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2024-09-21_c02d49390bc1796ee43760f035d1a24e_cobalt-strike_ryuk.exe windows:10 windows x64 arch:x64
ac625afca50deb38251a37ccd9c65301
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
Imports
vivaldi_elf
GetInstallDetailsPayload
IsBrowserProcess
IsExtensionPointDisableSet
SignalChromeElf
SignalInitializeCrashReporting
kernel32
AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
CreateToolhelp32Snapshot
DebugBreak
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessHeaps
GetProcessId
GetProcessMitigationPolicy
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetVersionExW
GetWindowsDirectoryW
HeapDestroy
HeapSetInformation
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
K32GetPerformanceInfo
K32GetProcessMemoryInfo
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PeekNamedPipe
PostQueuedCompletionStatus
PrefetchVirtualMemory
Process32FirstW
Process32NextW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetDefaultDllDirectories
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetProcessMitigationPolicy
SetProcessShutdownParameters
SetStdHandle
SetThreadAffinityMask
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrcmpA
lstrcmpW
lstrcpyA
lstrcpyW
version
GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW
ntdll
RtlInitUnicodeString
Exports
Exports
GetHandleVerifier
GetPakFileHashes
IsSandboxedProcess
Sections
.text Size: 1.9MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 237KB - Virtual size: 236KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 59KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 52KB - Virtual size: 51KB
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: 184B
.tls Size: 1024B - Virtual size: 561B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
CPADinfo Size: 512B - Virtual size: 56B
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: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
malloc_h Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 144KB - Virtual size: 144KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 576KB - Virtual size: 580KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE