2024-06-11_8bb7c4894bafdddb83e16c2f24cb09ee_ryuk

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General

Target

2024-06-11_8bb7c4894bafdddb83e16c2f24cb09ee_ryuk
Size

1.3MB
MD5

8bb7c4894bafdddb83e16c2f24cb09ee
SHA1

4a0b02a64c5d9cecbef25bb4a58646ac1df06876
SHA256

b25996553cd3c7d2f15c92e615e09d1a625782eedba1973366443227ee2d978c
SHA512

89d4373531cddd36e6fdf3104645db12591b112e0953d97389dcae336b2fab8064415bd79d4469b4e1048a8f89dda99d5924803a0f84ae27926fddc825821998
SSDEEP

24576:jY2/TwSfVcYG3K/cJHlnFR+IGNe8j3Iz:M2LNiXicJFFRGNzj3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-11_8bb7c4894bafdddb83e16c2f24cb09ee_ryuk

Files

2024-06-11_8bb7c4894bafdddb83e16c2f24cb09ee_ryuk
.exe windows:5 windows x64 arch:x64

d194e0bac0193995da79eecfed55bdc8

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:\builds\moz2_slave\m-esr52-w32-000000000000000000\build\src\obj-firefox\security\sandbox\win\wow_helper\wow_helper.pdb

Imports

kernel32

VirtualProtectEx
ReadProcessMemory
WriteProcessMemory
GetModuleHandleW
GetProcAddress
OpenProcess
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetStringTypeW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CloseHandle
CreateFileW

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.TargetC
Size: 512B - Virtual size: 139B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 188B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 888B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.9MB

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

d194e0bac0193995da79eecfed55bdc8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 43KB - Virtual size: 42KB

.TargetC Size: 512B - Virtual size: 139B

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

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 3KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 188B

.rsrc Size: 1024B - Virtual size: 888B

.reloc Size: 1.2MB - Virtual size: 1.9MB

.text
Size: 43KB - Virtual size: 42KB

.TargetC
Size: 512B - Virtual size: 139B

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

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 3KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 188B

.rsrc
Size: 1024B - Virtual size: 888B

.reloc
Size: 1.2MB - Virtual size: 1.9MB