2024-08-18_cf7f2436e0b132fae150d2fb7b56db0b_cobalt-strike_ryuk

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General

Target

2024-08-18_cf7f2436e0b132fae150d2fb7b56db0b_cobalt-strike_ryuk
Size

1.1MB
MD5

cf7f2436e0b132fae150d2fb7b56db0b
SHA1

d7b62ea546f2ab9d663c34094a388d362e7d9175
SHA256

791a66b65e6190b87b93f8ba1161e5fce6966e1fe3901e97850aff8ff1aa0b1b
SHA512

a99f3aa318c4343ff8021e385e3b98a9beb7472d316b57ec32acd9d5a711b7aa90fdb8a0200508a792acd3ebbff261fb922170327ae0d680024fd218b6df46f1
SSDEEP

12288:ws9bipUOO54VwSA782CzPU2lEoZy/RKB0M7a/VNP5YcuhP7jIIXXoqD0:3gUOOCbA782APtZy/VNNWrh/IIHl0

Score

1^/10

Malware Config

Signatures

Files

2024-08-18_cf7f2436e0b132fae150d2fb7b56db0b_cobalt-strike_ryuk
.exe windows:10 windows x64 arch:x64

daef3ae8ce068b0d3b0afa8ebfc65636

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

73:a9:c4:2e:1f:46:87:6c:37:e9:5d:47:2b:1c:d1:8b:82:b5:8c:58:86:f1:e1:44:03:c7:cb:d3:06:f1:76:99
Signer

Actual PE Digest

73:a9:c4:2e:1f:46:87:6c:37:e9:5d:47:2b:1c:d1:8b:82:b5:8c:58:86:f1:e1:44:03:c7:cb:d3:06:f1:76:99

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

D:\a\_work\e\src\out\Release_x64\msedge_proxy.exe.pdb

Imports

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateFileW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSectionAndSpinCount
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleInformation
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MultiByteToWideChar
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResumeThread
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UpdateProcThreadAttribute
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrcmpiW
lstrlenA

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
VariantClear

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

Exports

Exports

GetHandleVerifier
OQS_CPU_has_extension
OQS_KEM_alg_count
OQS_KEM_alg_identifier
OQS_KEM_alg_is_enabled
OQS_KEM_decaps
OQS_KEM_encaps
OQS_KEM_free
OQS_KEM_keypair
OQS_KEM_kyber_768_decaps
OQS_KEM_kyber_768_encaps
OQS_KEM_kyber_768_keypair
OQS_KEM_new
OQS_MEM_cleanse
OQS_MEM_insecure_free
OQS_MEM_secure_bcmp
OQS_MEM_secure_free
OQS_SIG_alg_count
OQS_SIG_alg_identifier
OQS_SIG_alg_is_enabled
OQS_SIG_free
OQS_SIG_keypair
OQS_SIG_new
OQS_SIG_sign
OQS_SIG_verify
OQS_destroy
OQS_init
OQS_randombytes
OQS_randombytes_custom_algorithm
OQS_randombytes_nist_kat_init_256bit
OQS_randombytes_switch_algorithm
OQS_version

Sections

.text
Size: 820KB - Virtual size: 819KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 182KB - Virtual size: 181KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 58KB - Virtual size: 98KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 31KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 369B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

daef3ae8ce068b0d3b0afa8ebfc65636

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

73:a9:c4:2e:1f:46:87:6c:37:e9:5d:47:2b:1c:d1:8b:82:b5:8c:58:86:f1:e1:44:03:c7:cb:d3:06:f1:76:99Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

dbghelp

kernel32

api-ms-win-core-winrt-l1-1-0

oleaut32

ntdll

Exports

Exports

Sections

.text Size: 820KB - Virtual size: 819KB

.rdata Size: 182KB - Virtual size: 181KB

.data Size: 58KB - Virtual size: 98KB

.pdata Size: 31KB - Virtual size: 31KB

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

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 369B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 3KB - Virtual size: 2KB

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

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

73:a9:c4:2e:1f:46:87:6c:37:e9:5d:47:2b:1c:d1:8b:82:b5:8c:58:86:f1:e1:44:03:c7:cb:d3:06:f1:76:99
Signer

.text
Size: 820KB - Virtual size: 819KB

.rdata
Size: 182KB - Virtual size: 181KB

.data
Size: 58KB - Virtual size: 98KB

.pdata
Size: 31KB - Virtual size: 31KB

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

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 369B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 3KB - Virtual size: 2KB

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