hx_cffi
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_8c37bfa1b3574626b08967276a3d1afb_gazer_ryuk.exe
Resource
win7-20231215-en
General
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Target
2024-01-25_8c37bfa1b3574626b08967276a3d1afb_gazer_ryuk
-
Size
3.5MB
-
MD5
8c37bfa1b3574626b08967276a3d1afb
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SHA1
6e8b50d91b53fb3e1f8ff0b3ba210f0ae8682874
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SHA256
89f1812de37e608e824c7be1fd85b171f26debd351df49d611a0c19efe81b7c6
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SHA512
0e7f7723750c0ca475cd89fcbcfe2c5835cf5ca6025538570ddd577922089ac56be88190e2be2e52d209c8c3f0198af94af833268a622fbf559292706da2f419
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SSDEEP
49152:bHmcWmzoPGbP//YXcG4ND/vEICEDvlP/bOVxHmpSK8hWomh:bGGzwMtUAvlHkmz8Momh
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-01-25_8c37bfa1b3574626b08967276a3d1afb_gazer_ryuk
Files
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2024-01-25_8c37bfa1b3574626b08967276a3d1afb_gazer_ryuk.exe windows:6 windows x64 arch:x64
fa6d91b0e0a68066f4250f88522f817f
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
Imports
advapi32
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
core_rl_magick++_
??0ReadOptions@Magick@@QEAA@XZ
??0Image@Magick@@QEAA@PEAU_Image@MagickCore@@@Z
??1Image@Magick@@UEAA@XZ
?throwException@Magick@@YAXPEAU_ExceptionInfo@MagickCore@@_N@Z
?modifyImage@Image@Magick@@QEAAXXZ
?syncPixels@Image@Magick@@QEAAXXZ
?getPixels@Image@Magick@@QEAAPEAE_J0_K1@Z
?write@Image@Magick@@QEAAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?read@Image@Magick@@QEAAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?quiet@Image@Magick@@QEAAX_N@Z
?quality@Image@Magick@@QEAAX_K@Z
??1ReadOptions@Magick@@QEAA@XZ
?fileName@Image@Magick@@QEAAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?debug@Image@Magick@@QEAAX_N@Z
?compressType@Image@Magick@@QEAAXW4CompressionType@MagickCore@@@Z
??0Image@Magick@@QEAA@XZ
?texture@Image@Magick@@QEAAXAEBV12@@Z
??0Image@Magick@@QEAA@AEBVBlob@1@@Z
??1Blob@Magick@@UEAA@XZ
??0Blob@Magick@@QEAA@PEBX_K@Z
?TerminateMagick@Magick@@YAXXZ
?InitializeMagick@Magick@@YAXPEBD@Z
?compare@Image@Magick@@QEBA_NAEBV12@@Z
?yOff@Geometry@Magick@@QEBA_JXZ
?quiet@ReadOptions@Magick@@QEBA_NXZ
?imageInfo@ReadOptions@Magick@@QEAAPEAU_ImageInfo@MagickCore@@XZ
?fileName@Image@Magick@@QEBA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ
?extent@Image@Magick@@QEAAXAEBVGeometry@2@@Z
?xOff@Geometry@Magick@@QEBA_JXZ
?gamma@Image@Magick@@QEAAXN@Z
?convolve@Image@Magick@@QEAAX_KPEBN@Z
?colorMatrix@Image@Magick@@QEAAX_KPEBN@Z
??0Color@Magick@@QEAA@AEBV01@@Z
??0Color@Magick@@QEAA@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
??1Color@Magick@@UEAA@XZ
??0Geometry@Magick@@QEAA@PEBD@Z
??0Geometry@Magick@@QEAA@AEBV01@@Z
??0Geometry@Magick@@QEAA@_K0_J1@Z
??1Geometry@Magick@@QEAA@XZ
?height@Geometry@Magick@@QEBA_KXZ
?width@Geometry@Magick@@QEBA_KXZ
??0Image@Magick@@QEAA@AEBV01@@Z
?backgroundColor@Image@Magick@@QEAAXAEBVColor@2@@Z
?size@Image@Magick@@QEBA?AVGeometry@2@XZ
?crop@Image@Magick@@QEAAXAEBVGeometry@2@@Z
?getConstPixels@Image@Magick@@QEBAPEBE_J0_K1@Z
?scale@Image@Magick@@QEAAXAEBVGeometry@2@@Z
??0Geometry@Magick@@QEAA@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
??0Image@Magick@@QEAA@AEBVGeometry@1@AEBVColor@1@@Z
?channels@Image@Magick@@QEBA_KXZ
?repage@Image@Magick@@QEAAXXZ
core_rl_magickcore_
SetMagickResourceLimit
AcquireExceptionInfo
DestroyExceptionInfo
ReadImage
GetEnvironmentValue
InterpretSiPrefixValue
FormatMagickSize
SetImageRegistry
GetImageRegistry
GetMagickResourceLimit
crypt32
CertOpenSystemStoreA
CertEnumCertificatesInStore
CertCloseStore
kernel32
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
FlushFileBuffers
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetFileSizeEx
SetEnvironmentVariableW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
FindFirstFileExW
SetConsoleMode
ReadConsoleInputW
HeapSize
SetEndOfFile
WriteConsoleW
QueryPerformanceFrequency
TlsGetValue
TlsSetValue
TlsAlloc
CloseHandle
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObject
CreateEventA
CreateThread
GetCurrentThreadId
GetCommandLineA
QueryPerformanceCounter
GetProcAddress
LoadLibraryA
GetSystemTime
SystemTimeToFileTime
RtlCaptureContext
GetCurrentDirectoryW
FindClose
FindFirstFileW
FindNextFileW
GetFileAttributesW
GetFullPathNameW
GetCurrentProcess
GetCurrentProcessId
GetModuleFileNameW
ReadFile
WriteFile
DuplicateHandle
CreatePipe
TerminateProcess
CreateProcessW
FormatMessageA
GetLastError
lstrlenW
MultiByteToWideChar
WideCharToMultiByte
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
WaitForSingleObjectEx
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
InitializeSListHead
GetDateFormatW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
SetStdHandle
GetFileType
CreateDirectoryW
DeleteFileW
CreateFileW
GetDriveTypeW
GetFileInformationByHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
HeapAlloc
HeapFree
HeapReAlloc
GetStdHandle
GetCommandLineW
GetConsoleCP
ws2_32
freeaddrinfo
getaddrinfo
WSAGetLastError
WSAStartup
gethostbyname
socket
shutdown
setsockopt
send
recv
inet_ntoa
inet_addr
htons
ioctlsocket
connect
closesocket
Exports
Exports
Sections
.6510 Size: 2.0MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.6510 Size: 898KB - Virtual size: 900KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.6510 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.6510 Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 608KB - Virtual size: 612KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE