2024-04-19_8c5319f372e234c1c001bd08ec1dc09b_cobalt-strike_ryuk

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General

Target

2024-04-19_8c5319f372e234c1c001bd08ec1dc09b_cobalt-strike_ryuk
Size

660KB
MD5

8c5319f372e234c1c001bd08ec1dc09b
SHA1

d1cd6761e157229a90a232da3d57ba3381ba4508
SHA256

bf1daede305d88e801c794f976b89df47e1cf9eba6a984e57a3c69aee709c19a
SHA512

b58d2c530064d2b5571736e48b7ca2c1ed758a81d4b48ea7e53869d772b8d1de1ab74d54b081d566a227648cfce400fa1d30f01e13c66b93043df536637931b4
SSDEEP

12288:eZNUaei+QP8A2tmlby3lhRu1FwuTFwUnQCYeLih8QUow8pjewZnnNFPP+jI6C:eEA87kFVfYi68QUkpjewZnnNFPP+jI6C

Score

1^/10

Malware Config

Signatures

Files

2024-04-19_8c5319f372e234c1c001bd08ec1dc09b_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

bbd6184e0caa6c17c7c1b74082b954c0

Code Sign

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06
Certificate

Issuer

CN=DigiCert Global G3 Code Signing ECC SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

01-08-2023 00:00

Not After

04-08-2024 23:59

Subject

CN=Sublime HQ Pty Ltd,O=Sublime HQ Pty Ltd,L=Woollahra,ST=New South Wales,C=AU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

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

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

a1:a2:e7:05:da:bf:0f:77:0f:49:19:8f:f2:8a:9c:bd:f6:23:28:a0:c2:d3:67:a9:3f:a6:ae:07:27:63:db:52
Signer

Actual PE Digest

a1:a2:e7:05:da:bf:0f:77:0f:49:19:8f:f2:8a:9c:bd:f6:23:28:a0:c2:d3:67:a9:3f:a6:ae:07:27:63:db:52

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

/home/jskinner/.release_build/build/gn/lto_win_x64/crash_handler.pdb

Imports

kernel32

CloseHandle
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileW
CreateIoCompletionPort
CreateNamedPipeW
CreateProcessW
CreateSemaphoreW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetThreadLocale
GetTimeZoneInformation
GetUserDefaultLCID
GetVersion
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitOnceBeginInitialize
InitOnceComplete
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MultiByteToWideChar
OpenProcess
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
QueryPerformanceCounter
RaiseException
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSemaphore
RemoveDirectoryW
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetProcessShutdownParameters
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepEx
SuspendThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
UnhandledExceptionFilter
UnlockFileEx
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualQueryEx
WaitForSingleObject
WaitForSingleObjectEx
WaitNamedPipeW
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetTimeouts
WinHttpWriteData

powrprof

CallNtPowerInformation

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ImpersonateNamedPipeClient
RegCloseKey
RegOpenKeyExW
RegQueryValueExA
RegQueryValueExW
RevertToSelf
SystemFunction036

user32

CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetWindowLongPtrW
PostMessageW
RegisterClassW
SetWindowLongPtrW
TranslateMessage
UnregisterClassW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

Sections

.text
Size: 443KB - Virtual size: 442KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 153KB - Virtual size: 152KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - Virtual size: 10KB

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

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 664B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bbd6184e0caa6c17c7c1b74082b954c0

Code Sign

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06Certificate

Extended Key Usages

Key Usages

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

Key Usages

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

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

a1:a2:e7:05:da:bf:0f:77:0f:49:19:8f:f2:8a:9c:bd:f6:23:28:a0:c2:d3:67:a9:3f:a6:ae:07:27:63:db:52Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

winhttp

powrprof

advapi32

user32

version

Sections

.text Size: 443KB - Virtual size: 442KB

.rdata Size: 153KB - Virtual size: 152KB

.data Size: 14KB - Virtual size: 22KB

.pdata Size: 24KB - Virtual size: 24KB

.00cfg Size: 512B - Virtual size: 56B

.gxfg Size: 10KB - Virtual size: 10KB

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

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 1024B - Virtual size: 664B

.reloc Size: 4KB - Virtual size: 4KB

0e:fe:a0:08:16:59:e4:a8:58:6f:28:4c:8d:81:72:06
Certificate

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

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

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

a1:a2:e7:05:da:bf:0f:77:0f:49:19:8f:f2:8a:9c:bd:f6:23:28:a0:c2:d3:67:a9:3f:a6:ae:07:27:63:db:52
Signer

.text
Size: 443KB - Virtual size: 442KB

.rdata
Size: 153KB - Virtual size: 152KB

.data
Size: 14KB - Virtual size: 22KB

.pdata
Size: 24KB - Virtual size: 24KB

.00cfg
Size: 512B - Virtual size: 56B

.gxfg
Size: 10KB - Virtual size: 10KB

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

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 1024B - Virtual size: 664B

.reloc
Size: 4KB - Virtual size: 4KB