Static task
static1
Behavioral task
behavioral1
Sample
2024-09-11_13f929e2cc03dbe1780cce33b7dce110_ryuk.exe
Resource
win7-20240903-es
Behavioral task
behavioral2
Sample
2024-09-11_13f929e2cc03dbe1780cce33b7dce110_ryuk.exe
Resource
win10ltsc2021-20250128-es
General
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Target
240911-aseygssepl_pw_infected.zip
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Size
65KB
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MD5
8f8be5dfe62044cea1d3f7418b5224c8
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SHA1
28644e5303d01e42f80ffdf3a762423c9592b95b
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SHA256
7bac5c10d02534007f1efb371885ae3918d21d394371f92d4e6455b58b4e16ad
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SHA512
4521f937f81fb0ee82673de4c79e09d50056378f4c00c9b6ce5d68f1a542f20ec527120671d79db65d409829185336262bc7cf8f2ccd2557a4226782c1566fe0
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SSDEEP
1536:UP2JsUHlicNKEcYYCE7m/USt/njDG5ixh4Qy26DCkK/0QoUciT30:Q0CNYYCHpG6NcDQ/0Qtlk
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/2024-09-11_13f929e2cc03dbe1780cce33b7dce110_ryuk
Files
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240911-aseygssepl_pw_infected.zip.zip
Password: infected
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2024-09-11_13f929e2cc03dbe1780cce33b7dce110_ryuk.exe windows:5 windows x86 arch:x86
c87058f83b3ab425474707bc35dd27b3
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
GetCurrentProcess
CreateThread
GetCurrentThread
SetLastError
WaitForMultipleObjects
Sleep
CloseHandle
WinExec
GetLocalTime
GetTickCount
LoadLibraryA
GetSystemDirectoryA
CreateFileW
DecodePointer
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
RtlUnwind
GetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
GetStringTypeW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
RaiseException
ws2_32
inet_addr
Sections
.text Size: 72KB - Virtual size: 71KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 21KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 172B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.shell Size: 320KB - Virtual size: 320KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ