c:\srv\slave\workdir\repos\opera\chromium\src\out\Release\installer.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_647e80e7914c153c5368abe704748eb3_ryuk.exe
Resource
win7-20231215-en
General
-
Target
2024-02-19_647e80e7914c153c5368abe704748eb3_ryuk
-
Size
6.6MB
-
MD5
647e80e7914c153c5368abe704748eb3
-
SHA1
591fe39ea5aa5484cc8b767a04c7672410d5bb88
-
SHA256
be6c555b0ff2028d42da6c63b0bad98299194124a9515c9bed2d82eaf88c4102
-
SHA512
d6d177c84a43a51c88438ea9ac85d632499823122f920131360877fd895a1a752ac1aa515925e8492897d688669fcd6f0959504bc4c171c8c5bb7091f1a9ca01
-
SSDEEP
196608:93JYuIgt36gfEfDEcQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQb:93auI6KgfEQ6V1
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-19_647e80e7914c153c5368abe704748eb3_ryuk
Files
-
2024-02-19_647e80e7914c153c5368abe704748eb3_ryuk.exe windows:5 windows x64 arch:x64
5fe065230c9984d97414828d3a0fc1ef
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
Imports
user32
MessageBoxW
comctl32
InitCommonControlsEx
kernel32
AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateEventW
CreateFileW
DeleteCriticalSection
DeleteFileW
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LockResource
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
VirtualProtect
VirtualQuery
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 319KB - Virtual size: 319KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 89KB - Virtual size: 89KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 18KB
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
.00cfg Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 140B
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5.6MB - Virtual size: 5.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 568KB - Virtual size: 572KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE