2024-02-19_efa9b36fa9f56bf50cb5d1f9721598e1_ryuk

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General

Target

2024-02-19_efa9b36fa9f56bf50cb5d1f9721598e1_ryuk
Size

282KB
MD5

efa9b36fa9f56bf50cb5d1f9721598e1
SHA1

de4507b41cf334b5460f9d75030827155112f5b5
SHA256

8ee2ef7e43cfd280391a703a562b0897959f49a5e5528f014595127bd705c475
SHA512

b1adb1ddf8a42c139a877901ace9c6149d95b3001d40697964b7a5e94240e5bafc97e082b2c91b17a01fba9656bd45af91540e2010fc21472063329710b52373
SSDEEP

6144:BFSpZbjDtofR3qS9BJpYBSZDDynwNW0ohhvrjx:WpRjZo5qUBJtDof5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-19_efa9b36fa9f56bf50cb5d1f9721598e1_ryuk

Files

2024-02-19_efa9b36fa9f56bf50cb5d1f9721598e1_ryuk
.exe windows:6 windows x64 arch:x64

5459bef9a45c1f98d8e02dbd6d8a4686

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\ZTAO_CS2013\IP3D\main\PrimaAPI\TestCCMLO\Release\TestCCMLO.pdb

Imports

enhance

VolToCADSci
DumpC2Vol
?Set@GeoNipple400@@QEAAXXZ
FreeSet

primaccmlo

MapDetectPeaks
LoadDcmXml
ComputeMatchGeo
GetQuodrant
ParseXml
CompleteMapping

cadscience

CadSciBP
GetCadScience

kernel32

SetEnvironmentVariableA
FreeEnvironmentStringsW
HeapSize
CreateFileW
ReadConsoleW
SetStdHandle
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetStdHandle
GetFileType
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
WriteConsoleW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
OutputDebugStringW
CreateThread
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW

Exports

Exports

??0AdvBdr400@@QEAA@AEBV0@@Z
??0AdvBdr400@@QEAA@XZ
??0BreastMaskClass@@QEAA@AEBV0@@Z
??0BreastMaskClass@@QEAA@HH@Z
??0FeatPeak@@QEAA@AEBV0@@Z
??0FeatPeak@@QEAA@HHH@Z
??0FeatPeak@@QEAA@XZ
??0GeoNipple400@@QEAA@AEBV0@@Z
??0GeoNipple400@@QEAA@PEAEHH_N@Z
??0IPt3D@@QEAA@HHH@Z
??0IPt3D@@QEAA@XZ
??0RoiVolF@@QEAA@MM@Z
??0RoiVolF@@QEAA@MMMMMM@Z
??1AdvBdr400@@QEAA@XZ
??1BreastMaskClass@@QEAA@XZ
??1FeatPeak@@QEAA@XZ
??1GeoNipple400@@QEAA@XZ
??1IPt3D@@QEAA@XZ
??4AdvBdr400@@QEAAAEAV0@AEBV0@@Z
??4ArtifactDetector@@QEAAAEAV0@AEBV0@@Z
??4BreastMaskClass@@QEAAAEAV0@AEBV0@@Z
??4FeatPeak@@QEAAAEAV0@AEBV0@@Z
??4GeoNipple400@@QEAAAEAV0@AEBV0@@Z
??4IPt3D@@QEAAAEAV0@AEBV0@@Z
??4RoiVolF@@QEAAAEAU0@$$QEAU0@@Z
??4RoiVolF@@QEAAAEAU0@AEBU0@@Z
?__autoclassinit2@AdvBdr400@@QEAAX_K@Z
?__autoclassinit2@ArtifactDetector@@QEAAX_K@Z
?__autoclassinit2@BreastMaskClass@@QEAAX_K@Z
?__autoclassinit2@FeatPeak@@QEAAX_K@Z
?__autoclassinit2@GeoNipple400@@QEAAX_K@Z

Sections

.text
Size: 172KB - Virtual size: 172KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 772B

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: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5459bef9a45c1f98d8e02dbd6d8a4686

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

enhance

primaccmlo

cadscience

kernel32

Exports

Exports

Sections

.text Size: 172KB - Virtual size: 172KB

.rdata Size: 89KB - Virtual size: 88KB

.data Size: 4KB - Virtual size: 10KB

.pdata Size: 9KB - Virtual size: 9KB

.gfids Size: 1024B - Virtual size: 772B

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

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 172KB - Virtual size: 172KB

.rdata
Size: 89KB - Virtual size: 88KB

.data
Size: 4KB - Virtual size: 10KB

.pdata
Size: 9KB - Virtual size: 9KB

.gfids
Size: 1024B - Virtual size: 772B

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

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 3KB - Virtual size: 3KB