2024-08-20_65cdc99ce95ffaa3d2661b346fdb7e52_cobalt-strike_ryuk

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General

Target

2024-08-20_65cdc99ce95ffaa3d2661b346fdb7e52_cobalt-strike_ryuk
Size

1.6MB
MD5

65cdc99ce95ffaa3d2661b346fdb7e52
SHA1

8c7f105bab442cc9795c0ad4fb97c0246cf7b348
SHA256

2ef38c2c0a2df5eb7704aafa60828dfeca812ce0d2e4e2300cd928cc9e1f6c32
SHA512

20886a067ca879fda338f70703511c326e6cc06ccdff231722d4241a4b2b4c42d84700a01297bcda191962feeab57953d0eb8b9c9a2e7b535542e4e059076825
SSDEEP

24576:Chw1+UfDNjOJ+Rb0KEfGHBC2U1QxgNEOBgaf:mw1r93Ef6JU1QxwZd

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-20_65cdc99ce95ffaa3d2661b346fdb7e52_cobalt-strike_ryuk

Files

2024-08-20_65cdc99ce95ffaa3d2661b346fdb7e52_cobalt-strike_ryuk
.exe windows:10 windows x64 arch:x64

49b1296267bd0a61266596c75988709d

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
CloseServiceHandle
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptGetHashParam
CryptHashData
CryptReleaseContext
CryptVerifySignatureA
GetTokenInformation
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenServiceW
QueryServiceConfigW
QueryServiceStatusEx
RegCloseKey
RegCreateKeyExW
RegEnumKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
StartServiceW

shell32

SHGetKnownFolderPath
ShellExecuteExW

ws2_32

ntohl

shlwapi

PathAppendW
PathCanonicalizeW
PathCommonPrefixW
PathIsUNCServerShareW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW
PathUnquoteSpacesW

gdi32

SelectObject

user32

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

rpcrt4

RpcStringFreeW
UuidCreate
UuidToStringW

ole32

CoTaskMemFree

wintrust

WinVerifyTrust

kernel32

AcquireSRWLockExclusive
ActivateActCtx
CloseHandle
CompareStringW
CopyFileW
CreateActCtxW
CreateDirectoryW
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
LocalAlloc
LocalFree
LockFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryInformationJobObject
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RemoveDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetDllDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnlockFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 247KB - Virtual size: 246KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 73KB - Virtual size: 72KB

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: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - 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: 500B

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

49b1296267bd0a61266596c75988709d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

ws2_32

shlwapi

gdi32

user32

rpcrt4

ole32

wintrust

kernel32

Sections

.text Size: 247KB - Virtual size: 246KB

.rdata Size: 73KB - Virtual size: 72KB

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

.pdata Size: 9KB - Virtual size: 8KB

.gxfg Size: 10KB - Virtual size: 9KB

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

_RDATA Size: 512B - Virtual size: 500B

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

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

.text
Size: 247KB - Virtual size: 246KB

.rdata
Size: 73KB - Virtual size: 72KB

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

.pdata
Size: 9KB - Virtual size: 8KB

.gxfg
Size: 10KB - Virtual size: 9KB

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

_RDATA
Size: 512B - Virtual size: 500B

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

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