2024-08-19_c6e81d8636848df2a99e72078fef67a5_ryuk

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General

Target

2024-08-19_c6e81d8636848df2a99e72078fef67a5_ryuk
Size

1.2MB
MD5

c6e81d8636848df2a99e72078fef67a5
SHA1

5028b2663b177c371ac811ebac81789b669dfbfe
SHA256

ba9e79a1bf29651f874e3220d306901d8c21fe58d1ff96059040b708d02b1415
SHA512

3ece8cb2138eacb927afef80519dac26423f95223ab0d767bbb5276ab450b2c94e8bc06fa7341acde45aa758c92df70d6fb54be8d71dd0bbae0ab4ea601e5596
SSDEEP

24576:ZxX3MOEQ7dS2o7OQTHfDmQsqjnhMgeiCl7G0nehbGZpbD:b17k2o7hT/RDmg27RnWGj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-19_c6e81d8636848df2a99e72078fef67a5_ryuk

Files

2024-08-19_c6e81d8636848df2a99e72078fef67a5_ryuk
.exe windows:6 windows x64 arch:x64

edfdf842c8b88d0648ec00007b309297

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:\dvs\p4\build\sw\rel\gfclient\rel_03_13_1\backend\build\bin\x64\Release\NvProfileUpdater64.pdb

Imports

shlwapi

PathCombineW

kernel32

GetExitCodeProcess
InitializeCriticalSection
EnterCriticalSection
LoadLibraryW
DeleteCriticalSection
Sleep
WaitForSingleObject
CreateDirectoryW
HeapSize
WriteConsoleW
LoadLibraryExW
VerifyVersionInfoW
FreeLibrary
GetModuleHandleW
CreateProcessW
VerSetConditionMask
LocalFree
GetProcAddress
CloseHandle
OutputDebugStringW
GetLastError
GetSystemDirectoryW
lstrcmpA
GetFileAttributesW
CreateFileW
LocalAlloc
GetFullPathNameW
SetLastError
LeaveCriticalSection
MultiByteToWideChar
WideCharToMultiByte
SetEnvironmentVariableW
DeleteFileW
GetFileAttributesExW
RemoveDirectoryW
GetCurrentProcess
GetModuleHandleExW
GetFileInformationByHandle
ReadFile
SetEndOfFile
SetFilePointerEx
WriteFile
GetCurrentThreadId
FindClose
FindFirstFileW
FindNextFileW
FileTimeToLocalFileTime
GetSystemTimeAsFileTime
GetVersionExW
GetNativeSystemInfo
FileTimeToSystemTime
SetEvent
ResetEvent
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
GetStringTypeW
EncodePointer
DecodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
RtlPcToFileHeader
RaiseException
RtlUnwindEx
MoveFileExW
ExitProcess
GetModuleFileNameA
GetStdHandle
GetACP
HeapAlloc
HeapReAlloc
HeapFree
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadConsoleW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
SetStdHandle
WaitForSingleObjectEx

winhttp

WinHttpQueryHeaders
WinHttpReceiveResponse
WinHttpAddRequestHeaders
WinHttpOpenRequest
WinHttpSetOption
WinHttpQueryOption
WinHttpQueryDataAvailable
WinHttpSendRequest
WinHttpConnect
WinHttpCloseHandle
WinHttpOpen
WinHttpCrackUrl
WinHttpSetStatusCallback
WinHttpReadData

ws2_32

ntohl
inet_ntoa

advapi32

RegCloseKey
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextW
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash

shell32

SHGetFolderPathW

Sections

.text
Size: 302KB - Virtual size: 302KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 155KB - Virtual size: 154KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 147KB - Virtual size: 146KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

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

edfdf842c8b88d0648ec00007b309297

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shlwapi

kernel32

winhttp

ws2_32

advapi32

shell32

Sections

.text Size: 302KB - Virtual size: 302KB

.rdata Size: 155KB - Virtual size: 154KB

.data Size: 6KB - Virtual size: 26KB

.pdata Size: 15KB - Virtual size: 14KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 147KB - Virtual size: 146KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 302KB - Virtual size: 302KB

.rdata
Size: 155KB - Virtual size: 154KB

.data
Size: 6KB - Virtual size: 26KB

.pdata
Size: 15KB - Virtual size: 14KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 147KB - Virtual size: 146KB

.reloc
Size: 572KB - Virtual size: 576KB