2025-03-10_389adf5a47aaa124f28aa4e4d6bedc8a_cobalt-strike_ryuk

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General

Target

2025-03-10_389adf5a47aaa124f28aa4e4d6bedc8a_cobalt-strike_ryuk
Size

253KB
MD5

389adf5a47aaa124f28aa4e4d6bedc8a
SHA1

877ad31f6c46999e9acdd357e3f6aaf0b758960a
SHA256

c75be2d531ce0787f4237d66fe0b6fffb2002d9c2981beb9ce6a9f7f9756e850
SHA512

4d4bcca9e43125eb769545ab9d3e14fd02009de6cb86c73cdccefa696de636ad093cf53a1f62c8fccf698509bf98d089c7923b8df61e8566ef1cc526f09ba99e
SSDEEP

6144:ac1dj9gS7KXjnFiAElyHjvz0XQLJaLkjeJ6V9uzCupN4:x1sS7KXjnFiAEoHjg6J/V92PN4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2025-03-10_389adf5a47aaa124f28aa4e4d6bedc8a_cobalt-strike_ryuk

Files

2025-03-10_389adf5a47aaa124f28aa4e4d6bedc8a_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

79ce8f066b0b05e32300b6f863aa827f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

AdjustTokenPrivileges
ChangeServiceConfig2W
ChangeServiceConfigW
CloseServiceHandle
ControlService
CreateServiceW
CreateWellKnownSid
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
CryptHashData
CryptReleaseContext
DeleteService
FreeSid
GetSecurityDescriptorDacl
InitializeSecurityDescriptor
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenSCManagerW
OpenServiceW
QueryServiceConfigW
QueryServiceObjectSecurity
QueryServiceStatus
QueryServiceStatusEx
RegCloseKey
RegEnumKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
RegisterServiceCtrlHandlerW
SetEntriesInAclW
SetSecurityDescriptorDacl
SetServiceObjectSecurity
SetServiceStatus
StartServiceCtrlDispatcherW

shlwapi

PathAppendW
PathCanonicalizeW
PathIsUNCServerShareW
PathQuoteSpacesW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW
PathUnquoteSpacesW

user32

LoadStringA
wsprintfW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

shell32

SHGetKnownFolderPath

ole32

CoTaskMemFree

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

crypt32

CertCloseStore
CertFindCertificateInStore
CertFreeCertificateContext
CertGetNameStringA
CertGetNameStringW
CryptMsgClose
CryptMsgGetParam
CryptQueryObject

wintrust

WinVerifyTrust

kernel32

CloseHandle
CompareStringW
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
CreateToolhelp32Snapshot
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesW
GetFileSize
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalAlloc
LocalFree
MoveFileExW
MultiByteToWideChar
Process32FirstW
Process32NextW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW

Sections

.text
Size: 154KB - Virtual size: 153KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 47B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

.zero
Size: 8KB - Virtual size: 4KB

IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

79ce8f066b0b05e32300b6f863aa827f

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shlwapi

user32

version

shell32

ole32

rpcrt4

crypt32

wintrust

kernel32

Sections

.text Size: 154KB - Virtual size: 153KB

.rdata Size: 57KB - Virtual size: 57KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 7KB - Virtual size: 6KB

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

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

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

.voltbl Size: 512B - Virtual size: 47B

_RDATA Size: 512B - Virtual size: 244B

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

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

.zero Size: 8KB - Virtual size: 4KB

.text
Size: 154KB - Virtual size: 153KB

.rdata
Size: 57KB - Virtual size: 57KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 7KB - Virtual size: 6KB

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

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

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

.voltbl
Size: 512B - Virtual size: 47B

_RDATA
Size: 512B - Virtual size: 244B

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

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

.zero
Size: 8KB - Virtual size: 4KB