2024-04-10_f1f0797961c1c0c79763c6b406721537_ryuk

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General

Target

2024-04-10_f1f0797961c1c0c79763c6b406721537_ryuk
Size

1.6MB
MD5

f1f0797961c1c0c79763c6b406721537
SHA1

b1e35dd8ecaf1499b8cfb9c411e8fb2c20e61466
SHA256

bd333ccde48f92c7301924ede8e53ca7cf3b953d0112183aab9ed5cbaef9d208
SHA512

5ceb7403384c612aadc90d68d9e987a0c7cff66006b0d7a27c5a6ae183d96a9fe3929ede6204591314e2e4c21e4fbf4595c9ec6c7d43237aaa26b3dce53bdf0d
SSDEEP

24576:P05pvxDRbo5d9YEMyp7pMh69DSHfMqGAYAaoOfeUSLOo:clNRbozG9+d4Mq6jfsLO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-10_f1f0797961c1c0c79763c6b406721537_ryuk

Files

2024-04-10_f1f0797961c1c0c79763c6b406721537_ryuk
.exe windows:5 windows x64 arch:x64

d3a7227958d0d7bbe0a7d6f0a7e34f5d

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_helper\installer_helper.exe.pdb

Imports

advapi32

EventRegister
EventSetInformation
EventUnregister
EventWrite
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SystemFunction036

shell32

SHBindToParent
SHParseDisplayName

user32

CreatePopupMenu
CreateWindowExW
DefWindowProcW
DestroyMenu
DestroyWindow
DispatchMessageW
GetMenuItemCount
GetMenuItemInfoW
GetMessageW
LoadCursorW
LoadStringW
PostMessageW
PostQuitMessage
RegisterClassW
SetTimer
TranslateMessage

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateThread
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnregisterWaitEx
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA

ole32

CoInitialize
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

winmm

timeGetTime

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 809KB - Virtual size: 809KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 149KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 62KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 30KB - Virtual size: 29KB

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: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

.tls
Size: 512B - Virtual size: 449B

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: 1024B - Virtual size: 848B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

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

d3a7227958d0d7bbe0a7d6f0a7e34f5d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

user32

kernel32

ole32

winmm

Exports

Exports

Sections

.text Size: 809KB - Virtual size: 809KB

.rdata Size: 149KB - Virtual size: 149KB

.data Size: 62KB - Virtual size: 105KB

.pdata Size: 30KB - Virtual size: 29KB

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

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

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

.tls Size: 512B - Virtual size: 449B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1024B - Virtual size: 848B

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 809KB - Virtual size: 809KB

.rdata
Size: 149KB - Virtual size: 149KB

.data
Size: 62KB - Virtual size: 105KB

.pdata
Size: 30KB - Virtual size: 29KB

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

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

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

.tls
Size: 512B - Virtual size: 449B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1024B - Virtual size: 848B

.reloc
Size: 572KB - Virtual size: 576KB