z:\task_1579288126\build\src\obj-firefox\toolkit\mozapps\update\updater\updater.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-06_35903cb171fc0ecac5225f20403fe4ad_ryuk.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-06_35903cb171fc0ecac5225f20403fe4ad_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-06_35903cb171fc0ecac5225f20403fe4ad_ryuk
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Size
1.5MB
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MD5
35903cb171fc0ecac5225f20403fe4ad
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SHA1
e55f8fc4a55dc5f0b5bc0e2ed2126b30732a5271
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SHA256
a871df6efdf441eb6c040b94412d20cd9fb2c4bcba2ed945367aca7339720d9d
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SHA512
62a64922712c61f152e08f8a1d5fc8464ca3256322032f5a21958c2898419029931a664b7256b5911c0a05e3c0eaddf5adaab33fa8882f3cd285fbd2e81c94de
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SSDEEP
12288:WlLMLT1AXoUpkdJAdGyNMTmkJR4Do07Y86gw5CtCjX+NLuFhNpBeZT3X:NTCnpwJ+RuSkQ/7Gb8NLEbeZ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-06_35903cb171fc0ecac5225f20403fe4ad_ryuk
Files
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2024-06-06_35903cb171fc0ecac5225f20403fe4ad_ryuk.exe windows:6 windows x64 arch:x64
11145c2c07e671cc47c0cfcafd4c3816
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
CopyRect
DialogBoxParamW
DrawTextW
EndDialog
GetClientRect
GetDC
GetDesktopWindow
GetDlgItem
GetParent
GetWindowLongPtrW
GetWindowRect
LoadIconW
OffsetRect
ReleaseDC
ScreenToClient
SendMessageW
SetTimer
SetWindowLongPtrW
SetWindowPos
SetWindowTextW
WaitForInputIdle
wsprintfW
gdi32
SelectObject
advapi32
AdjustTokenPrivileges
CloseServiceHandle
CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptGetHashParam
CryptHashData
CryptReleaseContext
CryptVerifySignatureA
GetTokenInformation
LookupPrivilegeValueA
OpenProcessToken
OpenSCManagerA
OpenServiceW
QueryServiceConfigW
QueryServiceStatusEx
RegCloseKey
RegCreateKeyExW
RegEnumKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
StartServiceW
ole32
CoTaskMemFree
rpcrt4
RpcStringFreeW
UuidCreate
UuidToStringW
shell32
SHGetKnownFolderPath
ShellExecuteExW
wintrust
WinVerifyTrust
shlwapi
PathAppendW
PathCanonicalizeW
PathCommonPrefixW
PathIsUNCServerShareW
PathRemoveFileSpecW
PathStripPathW
PathStripToRootW
PathUnquoteSpacesW
kernel32
ActivateActCtx
CloseHandle
CompareStringW
CopyFileW
CreateActCtxW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeactivateActCtx
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
ExitProcess
ExitThread
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleCP
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileType
GetFullPathNameW
GetLastError
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetPrivateProfileStringW
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTickCount
GetTimeZoneInformation
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LocalAlloc
LocalFree
LockFile
MoveFileExW
MultiByteToWideChar
OpenProcess
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetDllDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointer
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnlockFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile
Sections
.text Size: 201KB - Virtual size: 201KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 16B
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: 96KB - Virtual size: 95KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE