2024-09-27_db5bcf288ed2d590ee3fcaaba9ce6ebd_cobalt-strike_hijackloader_ryuk

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General

Target

2024-09-27_db5bcf288ed2d590ee3fcaaba9ce6ebd_cobalt-strike_hijackloader_ryuk
Size

3.3MB
MD5

db5bcf288ed2d590ee3fcaaba9ce6ebd
SHA1

fc2bb4a598f7c96f086c64ed192d38a988fe6d8a
SHA256

485cac639b15862e040235619fb8b07ad41617ff0261fc268b9406836f55d0f6
SHA512

68c6de068ce0f67d8fb81518b73b21efb95e1d60d37166421db7e4e451bd6dc1bdcd1c19d428700c1f4662c79a6347b0b447b35959f0d58229f89429182c2090
SSDEEP

49152:4H5NXYPJJ1m1l43g7W+W3TWkbw8KjY0J5RPXyIW93OxSbAEWCW:/PXZ3g7W+WDTcd9A93u8W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-27_db5bcf288ed2d590ee3fcaaba9ce6ebd_cobalt-strike_hijackloader_ryuk

Files

2024-09-27_db5bcf288ed2d590ee3fcaaba9ce6ebd_cobalt-strike_hijackloader_ryuk
.exe windows:5 windows x64 arch:x64

7ee2ff4d75ec27ee2f4e0cc4e2424986

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

E:\ws\pc\src\out\electron_x64\tt_crash_reporter.exe.pdb

Imports

advapi32

EventRegister
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

dbghelp

MiniDumpWriteDump

shell32

CommandLineToArgvW
ord165
SHGetFolderPathW
SHGetKnownFolderPath

user32

UnregisterClassW

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareFileTime
CompareStringW
CreateEventW
CreateFileW
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleBaseNameW
K32GetModuleFileNameExW
K32GetPerformanceInfo
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadResource
LocalFree
LockResource
MapViewOfFile
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
ReleaseSRWLockExclusive
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

ole32

CoTaskMemFree

parfait

?AddCrashContext@ParfaitWrapperBase@parfait@@QEAAXPEBD0@Z
?InitGlobalEnv@ParfaitWrapperBase@parfait@@QEAAXAEAVParfaitGlobalEnvBuilderBase@2@@Z
?InitInstanceEnv@ParfaitWrapperBase@parfait@@QEAAXAEAVParfaitEnvBuilderBase@2@@Z
?SetAppVersion@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetChannel@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetDid@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetHost@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetIsDebug@ParfaitGlobalEnvBuilderBase@parfait@@SAX_N@Z
?SetProcessName@ParfaitEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetRootPathName@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?SetUid@ParfaitGlobalEnvBuilderBase@parfait@@QEAAAEAV12@PEBD@Z
?UploadCrashFile@ParfaitWrapperBase@parfait@@QEAAXPEBUCrashUploadRequest@12@@Z
?UploadFile@ParfaitWrapperBase@parfait@@QEAAXPEBDPEBUUploadFileCallback@12@@Z
CreateParfaitEnvBuilder
CreateParfaitGlobalEnvBuilder
CreateParfaitWrapper
DestroyParfaitEnvBuilder
DestroyParfaitGlobalEnvBuilder
DestroyParfaitWrapper

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetOption

version

VerQueryValueW

shlwapi

PathMatchSpecW

winmm

timeGetTime

Exports

Exports

Cr_z_adler32
Cr_z_adler32_combine
Cr_z_adler32_z
Cr_z_compress
Cr_z_compress2
Cr_z_compressBound
Cr_z_crc32
Cr_z_crc32_combine
Cr_z_crc32_combine_gen
Cr_z_crc32_combine_op
Cr_z_crc32_z
Cr_z_deflate
Cr_z_deflateBound
Cr_z_deflateCopy
Cr_z_deflateEnd
Cr_z_deflateGetDictionary
Cr_z_deflateInit2_
Cr_z_deflateInit_
Cr_z_deflateParams
Cr_z_deflatePending
Cr_z_deflatePrime
Cr_z_deflateReset
Cr_z_deflateResetKeep
Cr_z_deflateSetDictionary
Cr_z_deflateSetHeader
Cr_z_deflateTune
Cr_z_get_crc_table
Cr_z_zError
Cr_z_zlibCompileFlags
Cr_z_zlibVersion
GetHandleVerifier

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 330KB - Virtual size: 330KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 66KB - Virtual size: 138KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 136B

.rodata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 329B

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

malloc_h
Size: 512B - Virtual size: 236B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 227KB - Virtual size: 227KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7ee2ff4d75ec27ee2f4e0cc4e2424986

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

shell32

user32

kernel32

ole32

parfait

winhttp

version

shlwapi

winmm

Exports

Exports

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.rdata Size: 330KB - Virtual size: 330KB

.data Size: 66KB - Virtual size: 138KB

.pdata Size: 36KB - Virtual size: 35KB

.00cfg Size: 512B - Virtual size: 48B

.gxfg Size: 12KB - Virtual size: 12KB

.retplne Size: 512B - Virtual size: 136B

.rodata Size: 5KB - Virtual size: 4KB

.tls Size: 512B - Virtual size: 329B

_RDATA Size: 512B - Virtual size: 348B

malloc_h Size: 512B - Virtual size: 236B

.rsrc Size: 227KB - Virtual size: 227KB

.reloc Size: 5KB - Virtual size: 5KB

.text
Size: 2.6MB - Virtual size: 2.6MB

.rdata
Size: 330KB - Virtual size: 330KB

.data
Size: 66KB - Virtual size: 138KB

.pdata
Size: 36KB - Virtual size: 35KB

.00cfg
Size: 512B - Virtual size: 48B

.gxfg
Size: 12KB - Virtual size: 12KB

.retplne
Size: 512B - Virtual size: 136B

.rodata
Size: 5KB - Virtual size: 4KB

.tls
Size: 512B - Virtual size: 329B

_RDATA
Size: 512B - Virtual size: 348B

malloc_h
Size: 512B - Virtual size: 236B

.rsrc
Size: 227KB - Virtual size: 227KB

.reloc
Size: 5KB - Virtual size: 5KB