2024-04-19_6c60f96830f27db154962916e0934df6_ryuk

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General

Target

2024-04-19_6c60f96830f27db154962916e0934df6_ryuk
Size

89KB
MD5

6c60f96830f27db154962916e0934df6
SHA1

f8f40528b38d09a85e749badb7e190f4e5208f90
SHA256

491b8ecc79a4f6c74e27b3f16fa940a6afcfde925d635ef352a39b892dad795c
SHA512

2dcd3496a5f52dc16bd80fa37602fa0a883da0b29ca22f8632ffc2f3d25399f519f3ff64ac8386185d1b531df4a1bbffa6bbd591a5c25182c6cabab87aadcb8b
SSDEEP

1536:7t056DpbtxAgrjEZYn9gcbcGtQYrW1HghosW4dc9dl0S1hmEI:pU6DpbXASYYn9HgGtQZHAXUiS1hmE

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-19_6c60f96830f27db154962916e0934df6_ryuk

Files

2024-04-19_6c60f96830f27db154962916e0934df6_ryuk
.exe windows:5 windows x64 arch:x64

9c79400a5d52b2431308124e225c97c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

c:\firefox\mozilla-esr52\fmfirefox-enUS\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
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW

Sections

.text
Size: 42KB - 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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9c79400a5d52b2431308124e225c97c2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 42KB - 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: 2KB - Virtual size: 1KB

.text
Size: 42KB - 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: 2KB - Virtual size: 1KB