2024-08-20_b32a8e91d5ed8aceca09cf8f905ef762_ryuk

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General

Target

2024-08-20_b32a8e91d5ed8aceca09cf8f905ef762_ryuk
Size

1.5MB
MD5

b32a8e91d5ed8aceca09cf8f905ef762
SHA1

b15dbf2a5f4fd678bd0a662b410637376419f238
SHA256

b961d8dc1784c6ad76736fd014c04b617598a4461cc54388e7341e7d95d72905
SHA512

867929f29082c359c57de836b88c7d83301fb53744285d86c0ea2fa9587d0153b17bae35f9250d2b643d4654c9c5b8f35b2615c9f1521b59ffde01cfa35527fe
SSDEEP

24576:HFwrk2+EBFH2VkIn+MeC9BQXTUZ/hS/i328ab4F+rM/aXq6bJfBUam6:HFwo2+gHC+dIQX4+/i3da1YS6ozB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-20_b32a8e91d5ed8aceca09cf8f905ef762_ryuk

Files

2024-08-20_b32a8e91d5ed8aceca09cf8f905ef762_ryuk
.exe windows:5 windows x64 arch:x64

8323e1fd9225430af71cd7025722573b

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

f:\jnks\workspace\Pepto_4.2_Production\Windows\x64\Release\PdsmqConnector.pdb

Imports

kernel32

ReleaseMutex
CloseHandle
LocalFree
GetModuleFileNameW
LoadLibraryW
GetProcAddress
FreeLibrary
VerSetConditionMask
VerifyVersionInfoW
GetLocaleInfoW
GetSystemPowerStatus
FindNextFileW
FindClose
WaitForSingleObject
GetEnvironmentStringsW
FormatMessageW
LocalAlloc
GetTickCount
GetLastError
GetCommandLineW
FormatMessageA
DeleteFileW
CreateMutexW
SetEndOfFile
HeapSize
WriteConsoleW
ReadConsoleW
SetStdHandle
SetEnvironmentVariableW
SetEnvironmentVariableA
GetOEMCP
GetCurrentThreadId
DebugBreak
IsDebuggerPresent
OutputDebugStringA
OutputDebugStringW
GetTempPathW
FreeEnvironmentStringsW
GetSystemTimeAsFileTime
IsValidCodePage
FindFirstFileExW
GetProcessHeap
CreateFileW
SetFilePointerEx
ReadFile
GetConsoleCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetTimeZoneInformation
GetFileType
GetACP
GetCommandLineA
WriteFile
GetStdHandle
GetModuleHandleExW
ExitProcess
HeapFree
HeapReAlloc
HeapAlloc
SetConsoleMode
ReadConsoleInputA
GetConsoleMode
RtlUnwindEx
RaiseException
RtlPcToFileHeader
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
ReleaseSemaphore
DuplicateHandle
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
QueryPerformanceCounter
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetCurrentThread
GetThreadTimes
FreeLibraryAndExitThread
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualFree
VirtualProtect

user32

GetSystemMetrics

winspool.drv

GetPrinterW
GetJobW
EnumPortsW
EnumJobsW
ClosePrinter
OpenPrinterW

advapi32

RegQueryValueExW
RegOpenKeyExW
FreeSid
SetNamedSecurityInfoW
SetEntriesInAclW
AllocateAndInitializeSid
SystemFunction036
RegCloseKey

shell32

SHGetSpecialFolderPathW
SHCreateDirectoryExW
CommandLineToArgvW
SHGetFolderPathW

ole32

CoTaskMemFree
CoInitialize
CoCreateInstance
CoSetProxyBlanket
StringFromGUID2
CoUninitialize

oleaut32

GetErrorInfo
SysAllocString
SysFreeString
VariantInit
VariantCopy
VariantClear
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayGetElement

shlwapi

PathRemoveExtensionW
PathFileExistsW
PathIsDirectoryW
PathRemoveFileSpecW
PathCombineW

urlmon

ObtainUserAgentString

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

rpcrt4

UuidCreate

wininet

HttpQueryInfoW
InternetConnectW
InternetOpenA
InternetCloseHandle
HttpSendRequestW
HttpOpenRequestW
InternetReadFile

Sections

.text
Size: 667KB - Virtual size: 666KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 259KB - Virtual size: 258KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 4KB - Virtual size: 4KB

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: 1KB - Virtual size: 1KB

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

8323e1fd9225430af71cd7025722573b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

winspool.drv

advapi32

shell32

ole32

oleaut32

shlwapi

urlmon

version

rpcrt4

wininet

Sections

.text Size: 667KB - Virtual size: 666KB

.rdata Size: 259KB - Virtual size: 258KB

.data Size: 17KB - Virtual size: 24KB

.pdata Size: 35KB - Virtual size: 34KB

.gfids Size: 4KB - Virtual size: 4KB

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

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 667KB - Virtual size: 666KB

.rdata
Size: 259KB - Virtual size: 258KB

.data
Size: 17KB - Virtual size: 24KB

.pdata
Size: 35KB - Virtual size: 34KB

.gfids
Size: 4KB - Virtual size: 4KB

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

.rsrc
Size: 1KB - Virtual size: 1KB

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