2024-03-27_0a621d69d70281fa863cdd2823805af7_ryuk

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General

Target

2024-03-27_0a621d69d70281fa863cdd2823805af7_ryuk
Size

90KB
MD5

0a621d69d70281fa863cdd2823805af7
SHA1

5689ede92785bfe48f1d69ec4a3047fd10d7c0ae
SHA256

b6e71bc69c6eeb6f028780b4a8ceb451d5e0d403687e83ba9c91a1769e9f52bf
SHA512

33a2c12583bce3afabef120f2140b7160634d6ee243813cea0ec59a673c9497d95c1d38d46d15bfe3a379a29cb594ff49530a2715aee3432efe88315542a8643
SSDEEP

1536:LbQH+PFU++dee+q7dvOf/9SnDpGsWW6EdIlE9dlfrg/vTDG0X:LbQH+P4dCq7FOf/9ID3vbprgHTX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-27_0a621d69d70281fa863cdd2823805af7_ryuk

Files

2024-03-27_0a621d69d70281fa863cdd2823805af7_ryuk
.exe windows:5 windows x64 arch:x64

d194e0bac0193995da79eecfed55bdc8

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\3461B02E-043F-4C21-9CBF-35459A4CB3FB\src\obj-i686-pc-mingw32\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: 880B

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

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: 880B

.reloc Size: 2KB - Virtual size: 1KB

.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: 880B

.reloc
Size: 2KB - Virtual size: 1KB