2024-01-24_63a85ac80c8241317bcabe108ff3d260_ryuk

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General

Target

2024-01-24_63a85ac80c8241317bcabe108ff3d260_ryuk
Size

517KB
MD5

63a85ac80c8241317bcabe108ff3d260
SHA1

f6ed95425bff2b6d79dfffb7de2f3fcc0b5dabdf
SHA256

08de1fd3076e023b42a1ececfabee9271208b1bc10ff1fcf255b255f843d1810
SHA512

c80b5614d6d95473126a3f7e196007f9c265b94c4121c4cb2c8b254119cc800430ebab34646977623421eb2af3579e3194df30c86f3e58022547fed2a7125bd0
SSDEEP

12288:hIiJOh9tgPGG20KT+T+lOaO4JiwuN2H7L6:ArtgPGIKSRPjNyL6

Score

1^/10

Malware Config

Signatures

Files

2024-01-24_63a85ac80c8241317bcabe108ff3d260_ryuk
.exe windows:6 windows x64 arch:x64

05aba2021120173af023c83e2327c394

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:6d:de:95:46:47:00:7b:f7:8b:8b:22:79:6b:7e:b2
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

01/11/2023, 00:00

Not After

04/11/2024, 23:59

Subject

CN=株式会社コーエーテクモゲームス,O=株式会社コーエーテクモゲームス,L=横浜市,ST=神奈川県,C=JP

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

b4:16:eb:f9:81:61:2a:43:45:a3:f8:2c:28:7c:64:a4:33:9c:be:b2:41:7e:b1:2a:2c:54:21:fa:65:f2:bf:c4
Signer

Actual PE Digest

b4:16:eb:f9:81:61:2a:43:45:a3:f8:2c:28:7c:64:a4:33:9c:be:b2:41:7e:b1:2a:2c:54:21:fa:65:f2:bf:c4

Digest Algorithm

sha256

PE Digest Matches

true

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

Imports

unityplayer

UnityMain

kernel32

RaiseException
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
CloseHandle
WriteConsoleW

Exports

Exports

AmdPowerXpressRequestHighPerformance
NvOptimusEnablement

Sections

.text
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 226KB - Virtual size: 226KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.bind
Size: 202KB - Virtual size: 202KB

IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

05aba2021120173af023c83e2327c394

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0f:6d:de:95:46:47:00:7b:f7:8b:8b:22:79:6b:7e:b2Certificate

Extended Key Usages

Key Usages

b4:16:eb:f9:81:61:2a:43:45:a3:f8:2c:28:7c:64:a4:33:9c:be:b2:41:7e:b1:2a:2c:54:21:fa:65:f2:bf:c4Signer

Headers

DLL Characteristics

File Characteristics

Imports

unityplayer

kernel32

Exports

Exports

Sections

.text Size: 40KB - Virtual size: 39KB

.rdata Size: 34KB - Virtual size: 34KB

.data Size: 2KB - Virtual size: 7KB

.pdata Size: 3KB - Virtual size: 2KB

.gfids Size: 512B - Virtual size: 168B

.gehcont Size: 512B - Virtual size: 12B

.rsrc Size: 226KB - Virtual size: 226KB

.reloc Size: 2KB - Virtual size: 1KB

.bind Size: 202KB - Virtual size: 202KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0f:6d:de:95:46:47:00:7b:f7:8b:8b:22:79:6b:7e:b2
Certificate

b4:16:eb:f9:81:61:2a:43:45:a3:f8:2c:28:7c:64:a4:33:9c:be:b2:41:7e:b1:2a:2c:54:21:fa:65:f2:bf:c4
Signer

.text
Size: 40KB - Virtual size: 39KB

.rdata
Size: 34KB - Virtual size: 34KB

.data
Size: 2KB - Virtual size: 7KB

.pdata
Size: 3KB - Virtual size: 2KB

.gfids
Size: 512B - Virtual size: 168B

.gehcont
Size: 512B - Virtual size: 12B

.rsrc
Size: 226KB - Virtual size: 226KB

.reloc
Size: 2KB - Virtual size: 1KB

.bind
Size: 202KB - Virtual size: 202KB