2024-08-25_a8b8fc58bcf35e7536dcacfb20c99d5a_hijackloader_ryuk

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General

Target

2024-08-25_a8b8fc58bcf35e7536dcacfb20c99d5a_hijackloader_ryuk
Size

354KB
MD5

a8b8fc58bcf35e7536dcacfb20c99d5a
SHA1

7c3186aedfe25293cb20574075560e3484a7ccdb
SHA256

19d4601437d705cd125f9c3be9088b6ee1a9236266f5f8f99fd3cdcc49551606
SHA512

585d5e005305124001ca2599f72fcd257e985dcc9dae70a2eeccd1f1dca385dd2a11b45c509c924b27701580bd73197f51a47e6dcecee4ff097e08a449e65442
SSDEEP

6144:c8c4oS3aDlW2n+B7iNdq/QcDdmeModew9OS0oyVXC:nc4Jqn+1iNEnpwkeYaC

Score

1^/10

Malware Config

Signatures

Files

2024-08-25_a8b8fc58bcf35e7536dcacfb20c99d5a_hijackloader_ryuk
.exe windows:5 windows x64 arch:x64

6bf6001d2c638c09f7580c858d97c896

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

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0
Certificate

Issuer

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

Not Before

27/10/2021, 00:00

Not After

23/10/2024, 23:59

Subject

SERIALNUMBER=91330000788831167A,CN=NetEase (Hangzhou) Network Co.\, Ltd,O=NetEase (Hangzhou) Network Co.\, Ltd,L=杭州市,ST=浙江省,C=CN,1.3.6.1.4.1.311.60.2.1.2=#0c09e6b599e6b19fe79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

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

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

69:06:1d:d5:56:b9:9e:62:72:3e:7c:55:b7:a7:93:02:0e:8c:eb:aa:37:ab:42:07:0e:2a:64:cd:20:a4:07:f7
Signer

Actual PE Digest

69:06:1d:d5:56:b9:9e:62:72:3e:7c:55:b7:a7:93:02:0e:8c:eb:aa:37:ab:42:07:0e:2a:64:cd:20:a4:07:f7

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

PDB Paths

D:\mpay-pc-webview-support\bin_x64\Release\webviewsupport\webview_support_browser.pdb

Imports

kernel32

GetLastError
LocalFree
SetEvent
CloseHandle
GetCommandLineW
SetLastError
CreateFileW
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapReAlloc
HeapSize
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
CreateMutexW
WaitForSingleObject
GetCurrentThreadId
ReleaseMutex
CreateEventW
GetCurrentProcessId
OpenMutexW
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCurrentProcess
GetStdHandle
GetModuleFileNameW
GetVersionExW
MultiByteToWideChar
WideCharToMultiByte
SetThreadPriority
TerminateThread
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
GetSystemTimeAsFileTime
QueryPerformanceCounter
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
FreeLibrary
GetProcAddress
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
WriteFile
GetACP
HeapFree
HeapAlloc
GetFileType
GetStringTypeW
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
OpenEventW

user32

KillTimer
DispatchMessageW
TranslateMessage
GetMessageW
DefWindowProcW
SetWindowLongPtrW
GetWindowLongPtrW
CreateWindowExW
UnregisterClassW
RegisterClassExW
PostMessageW
DestroyWindow
PostQuitMessage
PeekMessageW
WaitMessage
CallMsgFilterW
GetQueueStatus
MsgWaitForMultipleObjectsEx
SetTimer

shell32

CommandLineToArgvW

webview_support

CreateMpayWebviewSupport
CheckMpayWebviewSupportVersion

winmm

timeGetTime

advapi32

SetSecurityInfo
ConvertStringSecurityDescriptorToSecurityDescriptorW
GetSecurityDescriptorSacl

Sections

.text
Size: 208KB - Virtual size: 207KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 94KB - Virtual size: 93KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6bf6001d2c638c09f7580c858d97c896

Code Sign

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

Extended Key Usages

Key Usages

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0Certificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

69:06:1d:d5:56:b9:9e:62:72:3e:7c:55:b7:a7:93:02:0e:8c:eb:aa:37:ab:42:07:0e:2a:64:cd:20:a4:07:f7Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

shell32

webview_support

winmm

advapi32

Sections

.text Size: 208KB - Virtual size: 207KB

.rdata Size: 94KB - Virtual size: 93KB

.data Size: 6KB - Virtual size: 11KB

.pdata Size: 12KB - Virtual size: 12KB

.gfids Size: 512B - Virtual size: 248B

.rsrc Size: 18KB - Virtual size: 18KB

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

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

02:44:53:70:9c:84:72:5b:99:03:71:85:6b:0e:50:e0
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

69:06:1d:d5:56:b9:9e:62:72:3e:7c:55:b7:a7:93:02:0e:8c:eb:aa:37:ab:42:07:0e:2a:64:cd:20:a4:07:f7
Signer

.text
Size: 208KB - Virtual size: 207KB

.rdata
Size: 94KB - Virtual size: 93KB

.data
Size: 6KB - Virtual size: 11KB

.pdata
Size: 12KB - Virtual size: 12KB

.gfids
Size: 512B - Virtual size: 248B

.rsrc
Size: 18KB - Virtual size: 18KB

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