2024-04-20_5557f9bacc77ef5e4ebce8e92538fcd7_cobalt-strike_ryuk

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General

Target

2024-04-20_5557f9bacc77ef5e4ebce8e92538fcd7_cobalt-strike_ryuk
Size

332KB
MD5

5557f9bacc77ef5e4ebce8e92538fcd7
SHA1

a30c662a82e6be02e28272d8c75623adb5015848
SHA256

97ac98ea01a5d6999c1a0fadd0d56adff4489c8536f92eb06ef6218af83c97fc
SHA512

11306667d88cd45ab5937710dd92c97a76f79852df384ed3dc00b4311474b52d03a77c0dfa2c8f679a2848a44274298cb93b49babdf536d35586aa74408d2e7a
SSDEEP

6144:qFoPH/Rdn+ptP9NZy9ELE2DuwAohOm9hWb9CzVeWy:qFoP/Dn+ptP9vyC9yo1wse3

Score

1^/10

Malware Config

Signatures

Files

2024-04-20_5557f9bacc77ef5e4ebce8e92538fcd7_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

41f72046cc6b64a20f76648690ba605c

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

08:de:82:42:76:ee:62:da:18:13:fb:db:f1:28:a8:fb
Certificate

Issuer

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

Not Before

10/11/2021, 00:00

Not After

06/11/2024, 23:59

Subject

CN=LogMeIn\, Inc.,O=LogMeIn\, Inc.,L=Boston,ST=Massachusetts,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

d9:2c:c3:45:55:ca:d4:7f:7b:14:bc:7c:49:e8:5d:7a:ac:91:90:a3:39:8f:e7:31:3e:7c:cb:10:52:6f:cc:f5
Signer

Actual PE Digest

d9:2c:c3:45:55:ca:d4:7f:7b:14:bc:7c:49:e8:5d:7a:ac:91:90:a3:39:8f:e7:31:3e:7c:cb:10:52:6f:cc:f5

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_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\build.tc\agent\work\771734dc8677b927\release\lib\x64_Release_MT_vs2015\LMISupportM64.pdb

Imports

kernel32

LoadLibraryA
GetProcAddress
GetModuleFileNameA
FreeLibrary
GetCurrentDirectoryA
SetCurrentDirectoryA
OpenProcess
ExitProcess
GetCurrentProcessId
CloseHandle
WriteConsoleW
CreateFileW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetProcessHeap
GetFileType
GetACP
GetStdHandle
GetModuleFileNameW
HeapReAlloc
HeapFree
HeapAlloc
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
LoadLibraryExW
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetStartupInfoW
IsDebuggerPresent
GetLastError
SetLastError
RaiseException
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetErrorMode
GetCurrentProcess
GetVersion
GetModuleHandleA
GetCurrentThread
LocalFree
GetSystemTimeAsFileTime
GetTickCount
FileTimeToSystemTime
SystemTimeToFileTime
GetTimeZoneInformation
WaitForSingleObject
SetThreadPriority
ResumeThread
SetEvent
ResetEvent
ReleaseMutex
FindClose
FlushFileBuffers
GetFileSize
GetFileTime
ReadFile
SetFilePointer
WriteFile
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
QueryPerformanceCounter
WaitForMultipleObjects
CreateEventW
CreateThread
GetModuleHandleW
CreateFileMappingW
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
LoadLibraryW
IsWow64Process
CreateToolhelp32Snapshot
Thread32First
Thread32Next
GetCurrentThreadId
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EncodePointer
DecodePointer
InitializeCriticalSectionAndSpinCount
LCMapStringW
GetCPInfo
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent

user32

GetSystemMetrics
CharNextExA
RegisterWindowMessageW
PostThreadMessageW
LoadStringW
GetMessageW
TranslateMessage
DispatchMessageW
DefWindowProcW
PostQuitMessage
RegisterClassExW
CreateWindowExW
DestroyWindow
ShowWindow
DialogBoxParamW
EndDialog
SetTimer
KillTimer
LoadAcceleratorsW
TranslateAcceleratorW
UpdateWindow
BeginPaint
EndPaint
LoadCursorW
SetWindowLongPtrW
GetWindowLongPtrW
LoadIconW
SetLayeredWindowAttributes
CallWindowProcW
SendMessageW

ws2_32

closesocket
socket
WSACleanup
WSAStartup

version

VerQueryValueA
GetFileVersionInfoA

advapi32

RegCloseKey
OpenProcessToken
GetTokenInformation
OpenThreadToken
ConvertSidToStringSidW
RegQueryValueExW
RegCreateKeyExW

ole32

CoCreateGuid
CoInitialize
CoUninitialize

Sections

.text
Size: 147KB - Virtual size: 146KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 106KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 9KB

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

.rsrc
Size: 49KB - Virtual size: 49KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

41f72046cc6b64a20f76648690ba605c

Code Sign

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

Extended Key Usages

Key Usages

08:de:82:42:76:ee:62:da:18:13:fb:db:f1:28:a8:fbCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

d9:2c:c3:45:55:ca:d4:7f:7b:14:bc:7c:49:e8:5d:7a:ac:91:90:a3:39:8f:e7:31:3e:7c:cb:10:52:6f:cc:f5Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ws2_32

version

advapi32

ole32

Sections

.text Size: 147KB - Virtual size: 146KB

.rdata Size: 106KB - Virtual size: 105KB

.data Size: 7KB - Virtual size: 28KB

.pdata Size: 9KB - Virtual size: 9KB

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

.rsrc Size: 49KB - Virtual size: 49KB

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

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

08:de:82:42:76:ee:62:da:18:13:fb:db:f1:28:a8:fb
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

d9:2c:c3:45:55:ca:d4:7f:7b:14:bc:7c:49:e8:5d:7a:ac:91:90:a3:39:8f:e7:31:3e:7c:cb:10:52:6f:cc:f5
Signer

.text
Size: 147KB - Virtual size: 146KB

.rdata
Size: 106KB - Virtual size: 105KB

.data
Size: 7KB - Virtual size: 28KB

.pdata
Size: 9KB - Virtual size: 9KB

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

.rsrc
Size: 49KB - Virtual size: 49KB

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