2024-04-20_1fa6dce7a5788bf5fdc7c4769edd3b03_cobalt-strike_ryuk

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General

Target

2024-04-20_1fa6dce7a5788bf5fdc7c4769edd3b03_cobalt-strike_ryuk
Size

655KB
MD5

1fa6dce7a5788bf5fdc7c4769edd3b03
SHA1

a50680ce98f501b05a85573b9c45f5aa46aa5edb
SHA256

e83812a9897bb01fc2b28446bfbca044448e4f3a22cc2b77bbb33cb04433629d
SHA512

4c68bcae77b804abb5f19a0a19af2e9ed84513d1d14f5bf746d94a7fcb929e3759757c2212efdefd89277a1c7214eab4284e4a30b99fb3aa07d242c51667b032
SSDEEP

12288:RjC6V2l9Gt/sB1KcYmqgZvAMlUoUjG+YKtMfnkOeZb5JYiNAgAPh:s7At/sBlDqgZQd6XKtiMJYiPU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-20_1fa6dce7a5788bf5fdc7c4769edd3b03_cobalt-strike_ryuk

Files

2024-04-20_1fa6dce7a5788bf5fdc7c4769edd3b03_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

abba7d980ad18ffc858166a72b7bc8ad

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

cookie_exporter.exe.pdb

Imports

kernel32

CloseHandle
CreateFileW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetErrorMode
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadErrorMode
SetUnhandledExceptionFilter
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

abba7d980ad18ffc858166a72b7bc8ad

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 41KB - Virtual size: 41KB

.rdata Size: 34KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 3KB - Virtual size: 3KB

.00cfg Size: 512B - Virtual size: 40B

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 41KB - Virtual size: 41KB

.rdata
Size: 34KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 3KB - Virtual size: 3KB

.00cfg
Size: 512B - Virtual size: 40B

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 568KB - Virtual size: 572KB