2024-04-16_cf67dd606021a5228a93380d046c46ce_cobalt-strike_ryuk

Sharing

Copy URL

Twitter E-mail

General

Target

2024-04-16_cf67dd606021a5228a93380d046c46ce_cobalt-strike_ryuk
Size

771KB
MD5

cf67dd606021a5228a93380d046c46ce
SHA1

ace9202be1573da28e33654080bfd08bded9abf5
SHA256

c35f3a2878a92285f9117ab38bf5b1b0af93a797009a4ad79121c17cbd266c81
SHA512

0a821155c55e1c5bb3e8a0694da3be762bce02955b23892d3ada8ec5b27393095e5bb7a2b5ffe28ade65a3107514748350642498ef592a3c1541ef36f6f00ce7
SSDEEP

12288:MjDLSzDDLBJgsrjU70ry92YuyuaEwdqJc2FvjOJ7xwLucJdpSlshJTJhx/DHfWRz:aizDDdGSd5/D/WRyzY7llDhgtq

Score

1^/10

Malware Config

Signatures

Files

2024-04-16_cf67dd606021a5228a93380d046c46ce_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

61195eb5ced07dc7fb9e1fff6b1f7253

Code Sign

11:00:dd:d9:53:8f:bd:b2:4e:64:6c:b3:b5:14:da:49
Certificate

Issuer

CN=Betterbird Project

Not Before

24/07/2022, 19:00

Not After

24/07/2024, 19:10

Subject

CN=Betterbird Project

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

4f:0b:ce:c8:2e:7c:0e:af:0a:8e:9a:3a:5c:09:a4:7f:a9:4e:a3:df
Signer

Actual PE Digest

4f:0b:ce:c8:2e:7c:0e:af:0a:8e:9a:3a:5c:09:a4:7f:a9:4e:a3:df

Digest Algorithm

sha1

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:\mozilla-source-esr115\mozilla-esr115\obj-x86_64-pc-mingw32\comm\third_party\rnp\src\rnpkeys\rnpkeys.pdb

Imports

rnp

rnp_backend_string
rnp_backend_version
rnp_buffer_clear
rnp_buffer_destroy
rnp_calculate_iterations
rnp_detect_homedir_info
rnp_ffi_create
rnp_ffi_destroy
rnp_ffi_set_key_provider
rnp_ffi_set_pass_provider
rnp_get_default_homedir
rnp_get_public_key_count
rnp_get_secret_key_count
rnp_get_security_rule
rnp_guess_contents
rnp_identifier_iterator_create
rnp_identifier_iterator_destroy
rnp_identifier_iterator_next
rnp_import_keys
rnp_import_signatures
rnp_input_destroy
rnp_input_from_memory
rnp_input_from_path
rnp_input_from_stdin
rnp_key_25519_bits_tweak
rnp_key_25519_bits_tweaked
rnp_key_allows_usage
rnp_key_export
rnp_key_export_revocation
rnp_key_get_alg
rnp_key_get_bits
rnp_key_get_creation
rnp_key_get_curve
rnp_key_get_expiration
rnp_key_get_fprint
rnp_key_get_grip
rnp_key_get_keyid
rnp_key_get_primary_fprint
rnp_key_get_primary_grip
rnp_key_get_primary_uid
rnp_key_get_protection_cipher
rnp_key_get_protection_hash
rnp_key_get_protection_iterations
rnp_key_get_signature_at
rnp_key_get_signature_count
rnp_key_get_subkey_at
rnp_key_get_subkey_count
rnp_key_get_uid_at
rnp_key_get_uid_count
rnp_key_get_uid_handle_at
rnp_key_handle_destroy
rnp_key_have_secret
rnp_key_is_expired
rnp_key_is_primary
rnp_key_is_protected
rnp_key_is_revoked
rnp_key_is_sub
rnp_key_is_valid
rnp_key_lock
rnp_key_protect
rnp_key_remove
rnp_key_revoke
rnp_key_set_expiration
rnp_key_unlock
rnp_key_unprotect
rnp_load_keys
rnp_locate_key
rnp_op_generate_create
rnp_op_generate_destroy
rnp_op_generate_execute
rnp_op_generate_get_key
rnp_op_generate_set_bits
rnp_op_generate_set_curve
rnp_op_generate_set_expiration
rnp_op_generate_set_hash
rnp_op_generate_set_userid
rnp_op_generate_subkey_create
rnp_output_destroy
rnp_output_finish
rnp_output_to_armor
rnp_output_to_file
rnp_output_to_null
rnp_output_to_path
rnp_output_to_stdout
rnp_request_password
rnp_save_keys
rnp_set_timestamp
rnp_signature_get_creation
rnp_signature_get_key_fprint
rnp_signature_get_keyid
rnp_signature_handle_destroy
rnp_signature_is_valid
rnp_supported_features
rnp_supports_feature
rnp_uid_get_signature_at
rnp_uid_get_signature_count
rnp_uid_handle_destroy
rnp_uid_is_revoked
rnp_uid_is_valid
rnp_unload_keys

shell32

CommandLineToArgvW

advapi32

CryptAcquireContextA
CryptGenRandom
CryptReleaseContext

kernel32

CloseHandle
CompareStringEx
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
DecodePointer
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetFileAttributesExW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersion
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObjectEx
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 565KB - Virtual size: 564KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 904B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

61195eb5ced07dc7fb9e1fff6b1f7253

Code Sign

11:00:dd:d9:53:8f:bd:b2:4e:64:6c:b3:b5:14:da:49Certificate

Extended Key Usages

Key Usages

4f:0b:ce:c8:2e:7c:0e:af:0a:8e:9a:3a:5c:09:a4:7f:a9:4e:a3:dfSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

rnp

shell32

advapi32

kernel32

Sections

.text Size: 565KB - Virtual size: 564KB

.rdata Size: 161KB - Virtual size: 161KB

.data Size: 10KB - Virtual size: 17KB

.pdata Size: 26KB - Virtual size: 25KB

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

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

.voltbl Size: 512B - Virtual size: 58B

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 1024B - Virtual size: 904B

.reloc Size: 4KB - Virtual size: 3KB

11:00:dd:d9:53:8f:bd:b2:4e:64:6c:b3:b5:14:da:49
Certificate

4f:0b:ce:c8:2e:7c:0e:af:0a:8e:9a:3a:5c:09:a4:7f:a9:4e:a3:df
Signer

.text
Size: 565KB - Virtual size: 564KB

.rdata
Size: 161KB - Virtual size: 161KB

.data
Size: 10KB - Virtual size: 17KB

.pdata
Size: 26KB - Virtual size: 25KB

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

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

.voltbl
Size: 512B - Virtual size: 58B

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 1024B - Virtual size: 904B

.reloc
Size: 4KB - Virtual size: 3KB