2024-01-18_19bd0caec20fb18ed5911ed831748c9d_cobalt-strike_ryuk

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General

Target

2024-01-18_19bd0caec20fb18ed5911ed831748c9d_cobalt-strike_ryuk
Size

354KB
MD5

19bd0caec20fb18ed5911ed831748c9d
SHA1

0dc6cc05eaeb2d0d3ba30b1ab9e63d1fa7ce79ab
SHA256

249d4ca7d0b88e3a8cd70b9a55b823086b58a6dda851fd30990f26c45204fbab
SHA512

5325f8e73a7ce2eaa65b078ac31abacc5050301b27c7f48b3f5b8c3f5fee1fed2adcc3ad980ba2372dd0fb1846934e49f1a861c538f50087cea3e51fe873ce0e
SSDEEP

6144:6jdL3MV0dsaSZkCeq+esoFWDNtUyoHJg3PfcKrKyw:6jl3OP3Kq+exgMJAdGy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-18_19bd0caec20fb18ed5911ed831748c9d_cobalt-strike_ryuk

Files

2024-01-18_19bd0caec20fb18ed5911ed831748c9d_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

b735498047c9fa8eb9411156b6c32dae

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

user32

CopyRect
DialogBoxParamW
DrawTextW
EndDialog
GetClientRect
GetDC
GetDesktopWindow
GetDlgItem
GetParent
GetWindowLongPtrW
GetWindowRect
LoadIconW
OffsetRect
ReleaseDC
ScreenToClient
SendMessageW
SetTimer
SetWindowLongPtrW
SetWindowPos
SetWindowTextW

gdi32

SelectObject

advapi32

AdjustTokenPrivileges
CloseServiceHandle
CreateProcessAsUserW
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenServiceW
QueryServiceConfigW
RegCloseKey
RegCreateKeyExW
RegSetValueExW

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

shell32

ShellExecuteExW

shlwapi

PathAppendW
PathCanonicalizeW
PathCommonPrefixW
PathIsUNCServerShareW
PathRemoveFileSpecW
PathStripToRootW
PathUnquoteSpacesW

kernel32

ActivateActCtx
CloseHandle
CompareStringW
CopyFileW
CreateActCtxW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeactivateActCtx
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetPrivateProfileStringW
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTimeZoneInformation
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalFree
LockFile
MoveFileExW
MoveFileW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetDllDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnlockFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 179KB - Virtual size: 179KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 96KB - Virtual size: 95KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b735498047c9fa8eb9411156b6c32dae

Headers

DLL Characteristics

File Characteristics

Imports

user32

gdi32

advapi32

rpcrt4

shell32

shlwapi

kernel32

Sections

.text Size: 179KB - Virtual size: 179KB

.rdata Size: 60KB - Virtual size: 59KB

.data Size: 5KB - Virtual size: 18KB

.pdata Size: 8KB - Virtual size: 8KB

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

.tls Size: 512B - Virtual size: 9B

.voltbl Size: 512B - Virtual size: 58B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 96KB - Virtual size: 95KB

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

.text
Size: 179KB - Virtual size: 179KB

.rdata
Size: 60KB - Virtual size: 59KB

.data
Size: 5KB - Virtual size: 18KB

.pdata
Size: 8KB - Virtual size: 8KB

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

.tls
Size: 512B - Virtual size: 9B

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 96KB - Virtual size: 95KB

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