2024-09-18_2b5ee8878344f6c3e9d4f99a571ffa96_cobalt-strike_ryuk

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General

Target

2024-09-18_2b5ee8878344f6c3e9d4f99a571ffa96_cobalt-strike_ryuk
Size

1.6MB
MD5

2b5ee8878344f6c3e9d4f99a571ffa96
SHA1

fbefd49f90fdf88f23bd51208358cc9bcd392e88
SHA256

da0515a95bea5f873169826fd4010d756b13b2002d4b8b32308117d0788a32e1
SHA512

b5ab755ddc2748391a9880c21dce23b958f60a2afef2cd68be5606ec31bd4cbe53b8bd9788522b0a25565fdd365e9e77375343d17bc43249b11c86875bbb93e1
SSDEEP

24576:ojCSY6t4COJVTEJ+RHNyBo4kx929bL3Hnx:+JFgpoB+kn3Hnx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-18_2b5ee8878344f6c3e9d4f99a571ffa96_cobalt-strike_ryuk

Files

2024-09-18_2b5ee8878344f6c3e9d4f99a571ffa96_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

eb7366d339234a8d5e05124055aa6ff7

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

updater.pdb

Imports

advapi32

AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegSetValueExW

shell32

SHGetKnownFolderPath
ShellExecuteExW

ws2_32

ntohl

shlwapi

PathAppendW
PathCanonicalizeW
PathCommonPrefixW
PathIsUNCServerShareW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW

gdi32

SelectObject

user32

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

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

ole32

CoTaskMemFree

kernel32

ActivateActCtx
CloseHandle
CompareStringW
CopyFileW
CreateActCtxW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeactivateActCtx
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetPrivateProfileStringW
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessInJob
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalFree
LockFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryInformationJobObject
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: 215KB - Virtual size: 215KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 62KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 15KB

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: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

_RDATA
Size: 512B - Virtual size: 348B

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: 1.2MB - Virtual size: 1.2MB

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

eb7366d339234a8d5e05124055aa6ff7

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

ws2_32

shlwapi

gdi32

user32

rpcrt4

ole32

kernel32

Sections

.text Size: 215KB - Virtual size: 215KB

.rdata Size: 62KB - Virtual size: 62KB

.data Size: 3KB - Virtual size: 15KB

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

.00cfg Size: 512B - Virtual size: 56B

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

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

_RDATA Size: 512B - Virtual size: 348B

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

.reloc Size: 1.2MB - Virtual size: 1.2MB

.text
Size: 215KB - Virtual size: 215KB

.rdata
Size: 62KB - Virtual size: 62KB

.data
Size: 3KB - Virtual size: 15KB

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

.00cfg
Size: 512B - Virtual size: 56B

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

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

_RDATA
Size: 512B - Virtual size: 348B

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

.reloc
Size: 1.2MB - Virtual size: 1.2MB