2024-08-20_e318b91de80f4f51170ab8a84aba25a6_cobalt-strike_ryuk

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General

Target

2024-08-20_e318b91de80f4f51170ab8a84aba25a6_cobalt-strike_ryuk
Size

816KB
MD5

e318b91de80f4f51170ab8a84aba25a6
SHA1

b73d0dbf7dc867b2bb6538cf3d3bd0e4130ca12a
SHA256

0e2549b961808e9418d420a59c044a7de0d7d3600f16ce8990e44037ec5206f9
SHA512

94709a98e9ed389b2fc94e96aa693b693a25d0cd5cbaf3b483fb7da4871fbcc0a78ecf75ea57206928ea35eb2b3c1ae2b9844bc9505659c85393227bb737e6d1
SSDEEP

12288:K9cX8/rJptGcjLsN1GxCZS9PkM2uUyoxPtdjNOD3450:K9FptG64e9PkMBZVW0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-20_e318b91de80f4f51170ab8a84aba25a6_cobalt-strike_ryuk

Files

2024-08-20_e318b91de80f4f51170ab8a84aba25a6_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

9097dab190de5d4089c2549ce2507155

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

psapi

GetModuleInformation

kernel32

CloseHandle
CompareStringW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateSemaphoreA
CreateThread
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetEnvironmentVariableA
GetExitCodeThread
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetTimeZoneInformation
GlobalMemoryStatusEx
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MultiByteToWideChar
OpenThread
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSemaphore
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TerminateThread
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryEnterCriticalSection
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenW

advapi32

RegCloseKey
RegCreateKeyExW
RegDeleteKeyW
RegDeleteValueW
RegEnumKeyExW
RegEnumValueW
RegFlushKey
RegOpenKeyExW
RegOpenKeyW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSAStartup
accept
bind
closesocket
connect
gethostbyaddr
gethostbyname
getpeername
getprotobyname
getprotobynumber
getservbyname
getservbyport
getsockname
getsockopt
htonl
inet_addr
inet_ntoa
ioctlsocket
listen
ntohl
ntohs
recv
recvfrom
send
sendto
setsockopt
shutdown
socket

Sections

.text
Size: 505KB - Virtual size: 504KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 204KB - Virtual size: 204KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 57KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.minfo
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 433B

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9097dab190de5d4089c2549ce2507155

Headers

DLL Characteristics

File Characteristics

Imports

psapi

kernel32

advapi32

ws2_32

Sections

.text Size: 505KB - Virtual size: 504KB

.rdata Size: 204KB - Virtual size: 204KB

.data Size: 57KB - Virtual size: 64KB

.pdata Size: 23KB - Virtual size: 22KB

.gxfg Size: 9KB - Virtual size: 8KB

.minfo Size: 1KB - Virtual size: 1KB

.tls Size: 512B - Virtual size: 433B

_RDATA Size: 512B - Virtual size: 500B

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

.text
Size: 505KB - Virtual size: 504KB

.rdata
Size: 204KB - Virtual size: 204KB

.data
Size: 57KB - Virtual size: 64KB

.pdata
Size: 23KB - Virtual size: 22KB

.gxfg
Size: 9KB - Virtual size: 8KB

.minfo
Size: 1KB - Virtual size: 1KB

.tls
Size: 512B - Virtual size: 433B

_RDATA
Size: 512B - Virtual size: 500B

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