2024-10-03_7fbea2acbc83bbb58c00bc11183ab7ae_cobalt-strike_ryuk

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General

Target

2024-10-03_7fbea2acbc83bbb58c00bc11183ab7ae_cobalt-strike_ryuk
Size

1.9MB
MD5

7fbea2acbc83bbb58c00bc11183ab7ae
SHA1

748f4a8b64d867f180121fca668120ccf676491d
SHA256

612796d78318e2a7c09b8f90afcab1bb222b86991a677f1ee1e28050bef89564
SHA512

3239069ac57564912fa17687c266b0827e52a02773055b7f537a0d2f71a87b22f557d9bd8d375eacf3b4b5ef4906eb726a71689a4ef4a78885a5612fa7c217d5
SSDEEP

49152:EEGsWNkYmVWU4tqvNCdIaRqbk4454444et40L/5:DPVh1CdYb5

Score

1^/10

Malware Config

Signatures

Files

2024-10-03_7fbea2acbc83bbb58c00bc11183ab7ae_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

434ecfaa6788dbed6e9bc19bd8920388

Code Sign

6f:12:6c:9c:c2:87:de:45:8c:e8:90:f6
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

20/03/2024, 14:23

Not After

21/03/2026, 14:23

Subject

SERIALNUMBER=1027700229193,CN=YANDEX LLC,O=YANDEX LLC,STREET=Lev Tolstoy street\, 16,L=Moscow,ST=Moscow,C=RU,1.3.6.1.4.1.311.60.2.1.2=#13064d6f73636f77,1.3.6.1.4.1.311.60.2.1.3=#13025255,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

18/03/2020, 00:00

Not After

18/03/2045, 00:00

Subject

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89
Certificate

Issuer

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Not Before

15/01/2024, 00:00

Not After

14/04/2035, 23:59

Subject

CN=Sectigo Public Time Stamping Signer R35,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f
Certificate

Issuer

CN=Sectigo Public Time Stamping 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 Time Stamping CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68
Certificate

Issuer

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

Not Before

22/03/2021, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fb:86:dc:49:4b:d2:fb:a4:8f:00:38:02:8c:ea:58:b1:61:7a:5b:d7:2a:29:61:c0:27:c0:1d:ba:0a:7e:76:57
Signer

Actual PE Digest

fb:86:dc:49:4b:d2:fb:a4:8f:00:38:02:8c:ea:58:b1:61:7a:5b:d7:2a:29:61:c0:27:c0:1d:ba:0a:7e:76:57

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:\BuildAgent\work\ce4314c938602b55\browser\client\src\out\Default\notification_helper.exe.pdb

Imports

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

RoOriginateError

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo
SystemFunction036

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath
ShellExecuteExW

user32

AllowSetForegroundWindow
GetSystemMetrics
SendInput

ws2_32

WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAGetOverlappedResult
WSAResetEvent
WSAStartup
accept
closesocket
getsockname
ioctlsocket
recv
recvfrom
sendto
shutdown

kernel32

AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileW
DeviceIoControl
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
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
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
GlobalMemoryStatusEx
HeapSetInformation
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OpenThread
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
RemoveDirectoryW
RemoveVectoredExceptionHandler
ReplaceFileW
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpW
lstrcmpiW
lstrlenA

ole32

CoAddRefServerProcess
CoRegisterClassObject
CoReleaseServerProcess
CoResumeClassObjects
CoRevokeClassObject
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

winmm

timeGetTime

shlwapi

PathMatchSpecW

ntdll

NtClose
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 218KB - Virtual size: 218KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 60KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 38KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 172B

.rodata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 370B

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: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

malloc_h
Size: 512B - Virtual size: 228B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

434ecfaa6788dbed6e9bc19bd8920388

Code Sign

6f:12:6c:9c:c2:87:de:45:8c:e8:90:f6Certificate

Extended Key Usages

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8Certificate

Key Usages

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89Certificate

Extended Key Usages

Key Usages

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3fCertificate

Extended Key Usages

Key Usages

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68Certificate

Extended Key Usages

Key Usages

fb:86:dc:49:4b:d2:fb:a4:8f:00:38:02:8c:ea:58:b1:61:7a:5b:d7:2a:29:61:c0:27:c0:1d:ba:0a:7e:76:57Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

advapi32

shell32

user32

ws2_32

kernel32

ole32

version

winmm

shlwapi

ntdll

Exports

Exports

Sections

.text Size: 1.6MB - Virtual size: 1.6MB

.rdata Size: 218KB - Virtual size: 218KB

.data Size: 60KB - Virtual size: 99KB

.pdata Size: 38KB - Virtual size: 37KB

.gxfg Size: 12KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 172B

.rodata Size: 2KB - Virtual size: 2KB

.tls Size: 512B - Virtual size: 370B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 500B

malloc_h Size: 512B - Virtual size: 228B

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

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

6f:12:6c:9c:c2:87:de:45:8c:e8:90:f6
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

76:53:fe:ac:75:46:48:93:f5:e5:d7:4a:48:3a:4e:f8
Certificate

3a:52:6a:2c:84:ce:55:e6:1d:65:fc:cc:12:d8:e9:89
Certificate

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f
Certificate

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68
Certificate

fb:86:dc:49:4b:d2:fb:a4:8f:00:38:02:8c:ea:58:b1:61:7a:5b:d7:2a:29:61:c0:27:c0:1d:ba:0a:7e:76:57
Signer

.text
Size: 1.6MB - Virtual size: 1.6MB

.rdata
Size: 218KB - Virtual size: 218KB

.data
Size: 60KB - Virtual size: 99KB

.pdata
Size: 38KB - Virtual size: 37KB

.gxfg
Size: 12KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 172B

.rodata
Size: 2KB - Virtual size: 2KB

.tls
Size: 512B - Virtual size: 370B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 500B

malloc_h
Size: 512B - Virtual size: 228B

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

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