2024-09-07_4276ba2fe489f1634912c91d3b6d6faa_cobalt-strike_ryuk

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General

Target

2024-09-07_4276ba2fe489f1634912c91d3b6d6faa_cobalt-strike_ryuk
Size

17.6MB
MD5

4276ba2fe489f1634912c91d3b6d6faa
SHA1

bb45115106767afb66e0e8c7280c21afd9e5cbb9
SHA256

52610014aae310078a86fc44061d8907c57734bc357509e60c59f08bd58b988e
SHA512

6fad53af0019ea24308f25999e97688b4b6db57a5077b2e70b781b4d8a3cee0b93d7dcb58521418e39beb5ef7cb04ad0e80c6e1c863425116a2d75464dd5427a
SSDEEP

196608:xqcFF6RgjGePitZ8PbGzmy1snoN6dajiq0:zX6ZqAZyGzm/noUd/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-07_4276ba2fe489f1634912c91d3b6d6faa_cobalt-strike_ryuk

Files

2024-09-07_4276ba2fe489f1634912c91d3b6d6faa_cobalt-strike_ryuk
.exe windows:10 windows x64 arch:x64

df4a723a539fa786af3eb44e5bd4f74c

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\chromedriver.exe.pdb

Imports

advapi32

BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CreateProcessAsUserW
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
InitializeAcl
InitializeSecurityDescriptor
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegCreateKeyExW
RegEnumKeyExW
RegNotifyChangeKeyValue
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityDescriptorDacl
SetSecurityInfo

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

user32

AllowSetForegroundWindow
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetActiveWindow
GetQueueStatus
KillTimer
LoadKeyboardLayoutW
MapVirtualKeyW
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
SetTimer
ToUnicode
TranslateMessage
UnregisterClassW
VkKeyScanW

ws2_32

WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAGetOverlappedResult
WSAIoctl
WSARecvFrom
WSAResetEvent
WSASend
WSASendTo
WSASetLastError
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getpeername
getsockname
getsockopt
htonl
htons
inet_ntop
ioctlsocket
listen
ntohs
recv
recvfrom
sendto
setsockopt
shutdown
socket

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AssignProcessToJobObject
CancelIo
CancelIoEx
CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventA
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateSemaphoreA
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrencyFormatEx
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatEx
GetDateFormatW
GetDiskFreeSpaceExW
GetDriveTypeW
GetDynamicTimeZoneInformation
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetGeoInfoW
GetLastError
GetLocalTime
GetLocaleInfoEx
GetLocaleInfoW
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLongPathNameW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNamedPipeClientProcessId
GetNamedPipeServerProcessId
GetNativeSystemInfo
GetNumberFormatEx
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatEx
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserGeoID
GetVersionExW
GetWindowsDirectoryW
GlobalFree
GlobalMemoryStatusEx
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResolveLocaleName
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointer
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

iphlpapi

GetAdaptersAddresses

ntdll

RtlGetLastNtStatus

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

shlwapi

PathMatchSpecW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

ole32

CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

secur32

AcquireCredentialsHandleW
DeleteSecurityContext
FreeContextBuffer
FreeCredentialsHandle
InitializeSecurityContextW
QueryContextAttributesW
QuerySecurityPackageInfoW

winhttp

WinHttpCloseHandle
WinHttpGetIEProxyConfigForCurrentUser
WinHttpGetProxyForUrl
WinHttpOpen
WinHttpSetTimeouts

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

RoInitialize
RoUninitialize

urlmon

CoInternetCreateSecurityManager

crypt32

CertAddStoreToCollection
CertCloseStore
CertControlStore
CertFindCertificateInStore
CertGetEnhancedKeyUsage
CertOpenStore

ncrypt

NCryptCreatePersistedKey
NCryptExportKey
NCryptFinalizeKey
NCryptFreeObject
NCryptGetProperty
NCryptImportKey
NCryptIsAlgSupported
NCryptOpenStorageProvider
NCryptSignHash

Exports

Exports

GetHandleVerifier
sqlite3_dbdata_init

Sections

.text
Size: 12.4MB - Virtual size: 12.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4.0MB - Virtual size: 4.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 113KB - Virtual size: 272KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 421KB - Virtual size: 421KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.rodata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tls
Size: 1024B - Virtual size: 729B

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

malloc_h
Size: 512B - Virtual size: 228B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 636KB - Virtual size: 640KB

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

df4a723a539fa786af3eb44e5bd4f74c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

user32

ws2_32

kernel32

iphlpapi

ntdll

userenv

shell32

shlwapi

winmm

ole32

secur32

winhttp

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

urlmon

crypt32

ncrypt

Exports

Exports

Sections

.text Size: 12.4MB - Virtual size: 12.4MB

.rdata Size: 4.0MB - Virtual size: 4.0MB

.data Size: 113KB - Virtual size: 272KB

.pdata Size: 421KB - Virtual size: 421KB

.gxfg Size: 13KB - Virtual size: 13KB

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

.rodata Size: 2KB - Virtual size: 2KB

.tls Size: 1024B - Virtual size: 729B

_RDATA Size: 512B - Virtual size: 500B

malloc_h Size: 512B - Virtual size: 228B

.rsrc Size: 59KB - Virtual size: 58KB

.reloc Size: 636KB - Virtual size: 640KB

.text
Size: 12.4MB - Virtual size: 12.4MB

.rdata
Size: 4.0MB - Virtual size: 4.0MB

.data
Size: 113KB - Virtual size: 272KB

.pdata
Size: 421KB - Virtual size: 421KB

.gxfg
Size: 13KB - Virtual size: 13KB

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

.rodata
Size: 2KB - Virtual size: 2KB

.tls
Size: 1024B - Virtual size: 729B

_RDATA
Size: 512B - Virtual size: 500B

malloc_h
Size: 512B - Virtual size: 228B

.rsrc
Size: 59KB - Virtual size: 58KB

.reloc
Size: 636KB - Virtual size: 640KB