C:\b\s\w\ir\cache\builder\src\out\Release_x64\chrome_proxy.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_16dbb8f6ebca36ea61da9310e7b9cf55_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_16dbb8f6ebca36ea61da9310e7b9cf55_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_16dbb8f6ebca36ea61da9310e7b9cf55_ryuk
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Size
1.6MB
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MD5
16dbb8f6ebca36ea61da9310e7b9cf55
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SHA1
817c7adb122cbdb5925730f0887a58669cf22a8a
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SHA256
17054a48280834da6ee41dac9ed9001c8a65d2796af1ded3dc1abadb03edac92
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SHA512
a7399c8b2e2039559d5342dd65e74bd017997749ca8605bff4277b43112f1aef2903ae653701e78482db87a13b7521c835309168389eaa20c6aa3e5aee696363
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SSDEEP
24576:FMdJ3XZnjuk/s/ylnxMpMg8uywvoKFLgYHJWwl24C15rDY:FMdJ3pnjuk/sadxxuQKKYpWwl1+NY
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-14_16dbb8f6ebca36ea61da9310e7b9cf55_ryuk
Files
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2024-03-14_16dbb8f6ebca36ea61da9310e7b9cf55_ryuk.exe windows:5 windows x64 arch:x64
f1bae3cddffefd88df3a8c740a59256b
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
advapi32
CreateProcessAsUserW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
kernel32
AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateEventW
CreateFileW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnregisterWaitEx
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrlenA
userenv
CreateEnvironmentBlock
DestroyEnvironmentBlock
user32
AllowSetForegroundWindow
GetActiveWindow
shell32
CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW
winmm
timeGetTime
ole32
CoTaskMemFree
Exports
Exports
GetHandleVerifier
Sections
.text Size: 775KB - Virtual size: 774KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 165KB - Virtual size: 165KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 58KB - Virtual size: 93KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 29KB - Virtual size: 28KB
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: 369B
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: 2KB - Virtual size: 2KB
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