2024-05-23_095642eee9c3ece22af0fa3779328377_cobalt-strike_ryuk

Sharing

Copy URL Twitter E-mail

General

Target

2024-05-23_095642eee9c3ece22af0fa3779328377_cobalt-strike_ryuk
Size

685KB
MD5

095642eee9c3ece22af0fa3779328377
SHA1

5a0a296a7dc1976341719864a8d8827ca7c1ae1c
SHA256

b49b7b7849d5df17f5d0376bdd1388ef36e50c931bae7e9a5aa7ca9af4ed8217
SHA512

3726a4c849da504cecd045b0d2430a3157f1da95d36f64df57ecf460c26a37684cb3c4d823a4cc15d37c0b6e5c10ca8835a839270a9e733faca9b6fe2c51c79c
SSDEEP

12288:Op6cX3JJJ7LOBL/fUHZ7CbacJ8oxiWQvRa9snsO2Lb:Op6cX3JJJ7LOBL/fmZe+iizvRa96ib

Score

1^/10

Malware Config

Signatures

Files

2024-05-23_095642eee9c3ece22af0fa3779328377_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

e7aa38f4efb8de66797d46f62be5c5b8

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7c:ec:8d:e7:38:69:95:8f:26:57:0f:a2:c4:46:6e:80
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

21/10/2021, 00:00

Not After

20/10/2024, 23:59

Subject

CN=BeefyTech,O=BeefyTech,ST=Florida,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

82:ef:bc:d8:76:fc:b0:f2:93:5b:4a:16:a0:20:33:d6:18:c1:45:4d:e3:ad:e1:4b:f6:bc:7d:68:e0:87:a7:a7
Signer

Actual PE Digest

82:ef:bc:d8:76:fc:b0:f2:93:5b:4a:16:a0:20:33:d6:18:c1:45:4d:e3:ad:e1:4b:f6:bc:7d:68:e0:87:a7:a7

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

c:\Jenkins\workspace\Beef_website\BeefTools\BeefInstall\dist\BeefUninstall_lld.pdb

Imports

user32

AdjustWindowRect
CreateWindowExA
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetSysColorBrush
GetSystemMetrics
LoadCursorW
LoadIconW
MessageBoxA
MessageBoxW
RegisterClassW
SendMessageTimeoutW
SendMessageW
SetCursor
ShowWindow
TranslateMessage

netapi32

NetApiBufferFree
NetWkstaGetInfo

version

GetFileVersionInfoA
GetFileVersionInfoSizeA
VerQueryValueA

advapi32

RegDeleteKeyA
RegDeleteValueA
RegOpenKeyExA
RegQueryValueExW
RegSetValueExA

ole32

CoInitializeEx

shell32

ShellExecuteExW

gdi32

CreateFontA
DeleteObject

comdlg32

GetSaveFileNameW

kernel32

CancelIoEx
CloseHandle
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateMutexA
CreateNamedPipeW
CreatePipe
CreateProcessW
DebugBreak
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleWindow
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesExW
GetFileType
GetLastError
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetTempFileNameA
GetTempPathA
GetTempPathW
GetThreadId
GetTimeZoneInformation
GetVersionExA
GetVersionExW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LoadLibraryW
MapViewOfFile
MulDiv
MultiByteToWideChar
OpenFileMappingA
OpenThread
OutputDebugStringA
QueryPerformanceCounter
RaiseException
ReadFile
ReadFileEx
ReleaseMutex
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEnvironmentVariableW
SetErrorMode
SetEvent
SetFileAttributesW
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableCS
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoA
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 267KB - Virtual size: 267KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 270KB - Virtual size: 270KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 49B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 64B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 98KB - Virtual size: 98KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e7aa38f4efb8de66797d46f62be5c5b8

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

7c:ec:8d:e7:38:69:95:8f:26:57:0f:a2:c4:46:6e:80Certificate

Extended Key Usages

Key Usages

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

82:ef:bc:d8:76:fc:b0:f2:93:5b:4a:16:a0:20:33:d6:18:c1:45:4d:e3:ad:e1:4b:f6:bc:7d:68:e0:87:a7:a7Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

user32

netapi32

version

advapi32

ole32

shell32

gdi32

comdlg32

kernel32

Sections

.text Size: 267KB - Virtual size: 267KB

.rdata Size: 270KB - Virtual size: 270KB

.data Size: 4KB - Virtual size: 14KB

.pdata Size: 10KB - Virtual size: 9KB

.00cfg Size: 512B - Virtual size: 40B

.gxfg Size: 6KB - Virtual size: 5KB

.tls Size: 512B - Virtual size: 49B

.voltbl Size: 512B - Virtual size: 64B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 98KB - Virtual size: 98KB

.reloc Size: 16KB - Virtual size: 15KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

7c:ec:8d:e7:38:69:95:8f:26:57:0f:a2:c4:46:6e:80
Certificate

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

82:ef:bc:d8:76:fc:b0:f2:93:5b:4a:16:a0:20:33:d6:18:c1:45:4d:e3:ad:e1:4b:f6:bc:7d:68:e0:87:a7:a7
Signer

.text
Size: 267KB - Virtual size: 267KB

.rdata
Size: 270KB - Virtual size: 270KB

.data
Size: 4KB - Virtual size: 14KB

.pdata
Size: 10KB - Virtual size: 9KB

.00cfg
Size: 512B - Virtual size: 40B

.gxfg
Size: 6KB - Virtual size: 5KB

.tls
Size: 512B - Virtual size: 49B

.voltbl
Size: 512B - Virtual size: 64B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 98KB - Virtual size: 98KB

.reloc
Size: 16KB - Virtual size: 15KB