2024-08-08_8c98bc562d087ad0a418d7ccfecb07b6_cobalt-strike_hijackloader_ryuk

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General

Target

2024-08-08_8c98bc562d087ad0a418d7ccfecb07b6_cobalt-strike_hijackloader_ryuk
Size

6.9MB
MD5

8c98bc562d087ad0a418d7ccfecb07b6
SHA1

d88976db0afa571e142218f59049cc52a5c5805e
SHA256

820299a2e7768ea35bef6c2482624fb0b60b6348d5cee21a22cd285d8b5519a2
SHA512

60c16d17ef35c9d029a93f92c262441b5c6fa43328033a432e66be5b649b41ea882d67f47f64eb5fa600c768b33e2f91e423dfe273e9a00a05901a3c2f38d05c
SSDEEP

98304:6x7SVFinbAQ1dkFoxG5y3zKutu4rb2LoDb0:S7SVsnbuFoIQ3zJxb0

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-08_8c98bc562d087ad0a418d7ccfecb07b6_cobalt-strike_hijackloader_ryuk

Files

2024-08-08_8c98bc562d087ad0a418d7ccfecb07b6_cobalt-strike_hijackloader_ryuk
.exe windows:10 windows x64 arch:x64

4d977853212987a29751d842e08132cf

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

c:\srv\slave\workdir\repos\opera\chromium\src\out\Release\installer.exe.pdb

Imports

user32

MessageBoxW

comctl32

InitCommonControlsEx

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateFileW
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LockResource
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualProtect
VirtualQuery
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 321KB - Virtual size: 321KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.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: 5.9MB - Virtual size: 5.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

4d977853212987a29751d842e08132cf

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

comctl32

kernel32

Sections

.text Size: 321KB - Virtual size: 321KB

.rdata Size: 89KB - Virtual size: 88KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 15KB - Virtual size: 14KB

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

.retplne Size: 512B - Virtual size: 140B

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

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 5.9MB - Virtual size: 5.9MB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 321KB - Virtual size: 321KB

.rdata
Size: 89KB - Virtual size: 88KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 15KB - Virtual size: 14KB

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

.retplne
Size: 512B - Virtual size: 140B

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

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 5.9MB - Virtual size: 5.9MB

.reloc
Size: 568KB - Virtual size: 572KB