2024-04-20_2acd5c6970038f343e7cd930bcf16c7d_ryuk

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General

Target

2024-04-20_2acd5c6970038f343e7cd930bcf16c7d_ryuk
Size

260KB
MD5

2acd5c6970038f343e7cd930bcf16c7d
SHA1

f0d994468a095f2ebec10b1648d49e58eaeff810
SHA256

8b646272b050c6c7b5e67475fa33c1e079e56886cd6290871b937b63a83eb6bf
SHA512

851be5dbf333d5c85ea6ead9c71c44c245ebceff9da330d415b2e15da09b9102317f9bd6f813172703b8fe57b38ef2a8acbd042c8b1e8a0b5e89c2663ffe2cff
SSDEEP

6144:/HmUmSZbp4DWM7ys5Cjl7nX/9TB0EAcKB:fmUmSn4R/Cjl7nv9Te0E

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-20_2acd5c6970038f343e7cd930bcf16c7d_ryuk

Files

2024-04-20_2acd5c6970038f343e7cd930bcf16c7d_ryuk
.exe windows:6 windows x64 arch:x64

6d95986e600dcdf2ceae25b6c99f1bae

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:\BuildAgent\work\217e3383f1c67e47\build\windows-x86_64-normal-server-release\support\native\java.base\java_objs\java.pdb

Imports

user32

MessageBoxA
CharNextExA

comctl32

InitCommonControlsEx

kernel32

RaiseException
RtlPcToFileHeader
GetFileInformationByHandle
GetCommandLineA
CloseHandle
GetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
WaitForSingleObject
GetExitCodeThread
FreeLibrary
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleExA
GetProcAddress
LocalFree
FormatMessageA
LoadLibraryA
FindClose
FindFirstFileA
FindNextFileA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetCommandLineW
ExitProcess
GetModuleHandleExW
CreateFileW
GetDriveTypeW
EncodePointer
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
SetFilePointerEx
CreateThread
ExitThread
FreeLibraryAndExitThread
GetStdHandle
WriteFile
GetModuleFileNameW
ReadFile
GetConsoleMode
ReadConsoleW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
FlushFileBuffers
GetConsoleCP
SetStdHandle
HeapReAlloc
GetCurrentDirectoryW
GetFullPathNameW
MultiByteToWideChar
WideCharToMultiByte
SetEnvironmentVariableW
GetFileAttributesExW
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
SetEndOfFile
GetTimeZoneInformation
HeapSize
WriteConsoleW

Exports

Exports

JLI_AddArgsFromEnvVar
JLI_CmdToArgs
JLI_GetAppArgIndex
JLI_GetStdArgc
JLI_GetStdArgs
JLI_InitArgProcessing
JLI_Launch
JLI_List_add
JLI_List_new
JLI_ManifestIterate
JLI_MemAlloc
JLI_MemFree
JLI_PreprocessArg
JLI_ReportErrorMessage
JLI_ReportErrorMessageSys
JLI_ReportExceptionDescription
JLI_ReportMessage
JLI_SetTraceLauncher
JLI_StringDup
main

Sections

.text
Size: 169KB - Virtual size: 168KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 220B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 12KB - Virtual size: 11KB

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

6d95986e600dcdf2ceae25b6c99f1bae

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

comctl32

kernel32

Exports

Exports

Sections

.text Size: 169KB - Virtual size: 168KB

.rdata Size: 64KB - Virtual size: 64KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 8KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 220B

.rsrc Size: 12KB - Virtual size: 11KB

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

.text
Size: 169KB - Virtual size: 168KB

.rdata
Size: 64KB - Virtual size: 64KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 8KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 220B

.rsrc
Size: 12KB - Virtual size: 11KB

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