C:\b\s\w\ir\cache\builder\src\out\Release_x64\notification_helper.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_34cf74e911b337fb448c5be215d092eb_cobalt-strike_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-05_34cf74e911b337fb448c5be215d092eb_cobalt-strike_ryuk
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Size
1.8MB
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MD5
34cf74e911b337fb448c5be215d092eb
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SHA1
17336cd1061033cc4d71482e95ca3e29146e0af1
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SHA256
d8994bffa8cd9294944d139df65c2c519e2ba60786c2533023e94db2f9453413
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SHA512
08d1b9e2f6377f3fd083a204c4440bed1ebd21626b605e9b61264cb91c56af86825043773c202faf2389a4f572ea9289f2a2e8d79f6f0e95405d65309f7df16b
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SSDEEP
24576:bIEwbwWHq5L5Q37XKfCE2QcKA7iXOQS1rKLEQml6o4yRr5hwq:bIEwcPL6jK6IcK6iXpSVKLEQi6V+lh
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-05_34cf74e911b337fb448c5be215d092eb_cobalt-strike_ryuk
Files
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2024-10-05_34cf74e911b337fb448c5be215d092eb_cobalt-strike_ryuk.exe windows:10 windows x64 arch:x64
985504830f4cf8da537f2b85e79b2f91
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
api-ms-win-core-winrt-error-l1-1-0
RoOriginateError
advapi32
BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
shell32
CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW
user32
AllowSetForegroundWindow
SendInput
kernel32
AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateNamedPipeW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RemoveDirectoryW
RemoveVectoredExceptionHandler
ReplaceFileW
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrcmpiW
ole32
CoAddRefServerProcess
CoRegisterClassObject
CoReleaseServerProcess
CoResumeClassObjects
CoRevokeClassObject
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize
api-ms-win-core-winrt-l1-1-0
RoInitialize
RoUninitialize
version
GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW
winmm
timeGetTime
shlwapi
PathMatchSpecW
ntdll
NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString
Exports
Exports
GetHandleVerifier
Sections
.text Size: 940KB - Virtual size: 939KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 197KB - Virtual size: 196KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 59KB - Virtual size: 101KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 33KB - Virtual size: 33KB
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: 140B
.tls Size: 512B - Virtual size: 378B
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
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
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