2024-03-29_c16fa62c3ce62aeef1920cdb620ae568_ryuk

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General

Target

2024-03-29_c16fa62c3ce62aeef1920cdb620ae568_ryuk
Size

1.3MB
MD5

c16fa62c3ce62aeef1920cdb620ae568
SHA1

7161a0b949cb6ebb192960b0b21cfbdeb5fbe95e
SHA256

88fb5214f39fe508a6a58336023202bd4cf374115859ef50a693e0f4a454200d
SHA512

b32a5925bed5ab5ca67efdfad500ffba89e92ae95f9c473198ef0be389a61475328ba5459f3a8481f0cd96f744461ee0a102262b4e3bae796390dc0e4ba7375f
SSDEEP

12288:mhacl3Tki1sXYuHa53u4wU0VZAsztwy9IU6FpbOI+Xs:uacljkksIuHa53YUS9wLDFRW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-29_c16fa62c3ce62aeef1920cdb620ae568_ryuk

Files

2024-03-29_c16fa62c3ce62aeef1920cdb620ae568_ryuk
.exe windows:6 windows x64 arch:x64

9ed937701e26c6512a2f38dd374ee754

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

Imports

kernel32

CreateFileA
CreateFileW
GetDriveTypeA
GetFileAttributesW
QueryDosDeviceW
GetVolumeNameForVolumeMountPointW
CloseHandle
SetErrorMode
GetOverlappedResult
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
WaitForSingleObject
CreateEventA
CreateThread
SetThreadPriority
GetModuleHandleW
GetProcAddress
WaitForMultipleObjects
GetVolumeInformationA
ReadDirectoryChangesW
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameA
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetStdHandle
GetStringTypeW
GetProcessHeap
SetFilePointerEx
WriteConsoleW
HeapSize
HeapReAlloc
ReadFile
ReadConsoleW
RaiseException

Sections

.text
Size: 73KB - Virtual size: 73KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

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

9ed937701e26c6512a2f38dd374ee754

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 73KB - Virtual size: 73KB

.rdata Size: 39KB - Virtual size: 38KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 73KB - Virtual size: 73KB

.rdata
Size: 39KB - Virtual size: 38KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 1.2MB - Virtual size: 1.8MB