2024-09-01_0d27403996ed83faeaa05faca79204bc_cobalt-strike_ryuk

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General

Target

2024-09-01_0d27403996ed83faeaa05faca79204bc_cobalt-strike_ryuk
Size

200KB
MD5

0d27403996ed83faeaa05faca79204bc
SHA1

ac048d8054385db519ba5ba7ad611e5ea8e77afe
SHA256

8816f8b11c201491d5e4be16e456a02507773a7524722f7c7731ccfb421d7eae
SHA512

891260823a53d1e4acfb2ecfea00e7aed7d9bc166e82b9442ed22e9903607a773da6874a8d3a2555f57e922a1f0763682d8419e6c1a5c3a45171958abc6d543e
SSDEEP

3072:8UzRH7RK8UMpUyr4oBE0F68r/MuXxbUEZ9sUzj8SEE6EFfXHIA9:LbI81Rr4RJ6/5xbUEHsU38+BHIA9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-01_0d27403996ed83faeaa05faca79204bc_cobalt-strike_ryuk

Files

2024-09-01_0d27403996ed83faeaa05faca79204bc_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

6552e4b097489b0f5c86ea49652d6644

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

libcurl

curl_easy_cleanup
curl_easy_init
curl_easy_perform
curl_easy_setopt
curl_easy_strerror

advapi32

CloseServiceHandle
CreateServiceA
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptReleaseContext
OpenSCManagerA
RegCloseKey
RegCreateKeyExA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
StartServiceA

user32

CallNextHookEx
DispatchMessageA
GetCursorPos
GetMessageA
KillTimer
PostQuitMessage
SetTimer
SetWindowsHookExA
TranslateMessage
UnhookWindowsHookEx

kernel32

CloseHandle
CompareStringW
CreateFileA
CreateFileW
CreateToolhelp32Snapshot
DeleteCriticalSection
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTickCount
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
Process32First
Process32Next
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleMode
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 134KB - Virtual size: 133KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6552e4b097489b0f5c86ea49652d6644

Headers

DLL Characteristics

File Characteristics

Imports

libcurl

advapi32

user32

kernel32

Sections

.text Size: 134KB - Virtual size: 133KB

.rdata Size: 45KB - Virtual size: 45KB

.data Size: 3KB - Virtual size: 19KB

.pdata Size: 6KB - Virtual size: 6KB

.gxfg Size: 7KB - Virtual size: 7KB

_RDATA Size: 512B - Virtual size: 500B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 134KB - Virtual size: 133KB

.rdata
Size: 45KB - Virtual size: 45KB

.data
Size: 3KB - Virtual size: 19KB

.pdata
Size: 6KB - Virtual size: 6KB

.gxfg
Size: 7KB - Virtual size: 7KB

_RDATA
Size: 512B - Virtual size: 500B

.reloc
Size: 2KB - Virtual size: 1KB