yuki[.]exe | Triage

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General

Target

yuki.exe
Size

1.1MB
MD5

66e647caceb3d6756ae72641eaafb4a7
SHA1

613b0615fbf905a96e39ca1fb0f788c23bbf4084
SHA256

a95e0fe8c5c078b81d9599cfeb622a7c8e1c5d984ca943104904f6f2650c25a2
SHA512

9db4c070610388e857361286b54c8bc13855a1bea24f0d57a433c7cc98bf62ea6640804432ea2ca277485fb65757d6836ba5407b827e316e1802b905f572c888
SSDEEP

24576:9GaBJL8Yfp3NACPP9wPLgn3rfNWIPXPRRVN8Um6o/ATMcbNpDbw19:j/q9

Score

1^/10

Malware Config

Signatures

Files

yuki.exe
.exe windows x64

769d8ddfd87cc321a904603ca024fa1a

Code Sign

33:00:00:04:0a:87:d0:ea:67:86:e3:6b:07:00:00:00:00:04:0a
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

05/01/2023, 19:22

Not After

15/12/2023, 19:22

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

38:22:fd:30:68:d7:f9:de:cb:cb:02:e0:f1:41:4f:40:32:2f:4a:c6:e8:83:54:e7:16:6d:eb:53:05:36:9b:41
Signer

Actual PE Digest

38:22:fd:30:68:d7:f9:de:cb:cb:02:e0:f1:41:4f:40:32:2f:4a:c6:e8:83:54:e7:16:6d:eb:53:05:36:9b:41

Digest Algorithm

sha256

PE Digest Matches

false

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

kernel32

WriteConsoleW
CloseHandle
CreateFileW
GetProcAddress
LoadLibraryW
VirtualProtect
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
LoadLibraryExW
RaiseException
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
CompareStringW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx

user32

GetDC

gdi32

EnumFontsW

Sections

.text
Size: 1014KB - Virtual size: 1014KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

769d8ddfd87cc321a904603ca024fa1a

Code Sign

33:00:00:04:0a:87:d0:ea:67:86:e3:6b:07:00:00:00:00:04:0aCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

38:22:fd:30:68:d7:f9:de:cb:cb:02:e0:f1:41:4f:40:32:2f:4a:c6:e8:83:54:e7:16:6d:eb:53:05:36:9b:41Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

Sections

.text Size: 1014KB - Virtual size: 1014KB

.rdata Size: 36KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 6KB

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

_RDATA Size: 512B - Virtual size: 252B

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

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

33:00:00:04:0a:87:d0:ea:67:86:e3:6b:07:00:00:00:00:04:0a
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

38:22:fd:30:68:d7:f9:de:cb:cb:02:e0:f1:41:4f:40:32:2f:4a:c6:e8:83:54:e7:16:6d:eb:53:05:36:9b:41
Signer

.text
Size: 1014KB - Virtual size: 1014KB

.rdata
Size: 36KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 6KB

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

_RDATA
Size: 512B - Virtual size: 252B

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

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