2024-07-23_78e67a3400f62e087b10cbb86697f2b8_cobalt-strike_ryuk

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General

Target

2024-07-23_78e67a3400f62e087b10cbb86697f2b8_cobalt-strike_ryuk
Size

513KB
MD5

78e67a3400f62e087b10cbb86697f2b8
SHA1

81f486c67bd6f1f4b2a2f0479788629b063eeaab
SHA256

301f5e2f392890545f1a7bf279be865d54377707dfcf197cd837fe14a3c36814
SHA512

9e7ab6feca8e78cc70a51acf50897677f66a29727a27b14e9dc77f3f22172f9696541a0b7b7a8555525160782747574b371f2ba112aa8ad7e255b1cfb1b9ff74
SSDEEP

6144:GHvEm10k9mqI9PZJroJIxXY720DRaOOcno2m9XlqkuM:q50k9mnRT0JIxQ4ObTM

Score

1^/10

Malware Config

Signatures

Files

2024-07-23_78e67a3400f62e087b10cbb86697f2b8_cobalt-strike_ryuk
.exe windows:5 windows x64 arch:x64

0a2ef3be6e8fa003a59fdd3ecca7a683

Code Sign

33:00:00:03:a4:cb:e3:56:b8:cb:7f:e4:27:00:00:00:00:03:a4
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

45:20:87:dc:45:56:47:68:88:f8:48:8c:6f:3a:08:74:b1:e5:b0:94:74:5c:48:43:ce:97:b5:ab:59:e8:e3:b7
Signer

Actual PE Digest

45:20:87:dc:45:56:47:68:88:f8:48:8c:6f:3a:08:74:b1:e5:b0:94:74:5c:48:43:ce:97:b5:ab:59:e8:e3:b7

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\ie_to_edge_stub.exe.pdb

Imports

advapi32

RegCloseKey
RegCreateKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW

oleaut32

SysFreeString
SysStringLen

shell32

CommandLineToArgvW
SHGetKnownFolderPath
SHGetSpecialFolderPathW
ShellExecuteW

shlwapi

PathCombineW
PathFileExistsW
StrChrW

user32

CharLowerBuffW
UnregisterClassW

wininet

DeleteUrlCacheContainerW
GetUrlCacheEntryBinaryBlob
UrlCacheCreateContainer

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
DebugBreak
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
VerSetConditionMask
VerifyVersionInfoW
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

ole32

CoInitializeEx
CoTaskMemFree

urlmon

CreateUri

Sections

.text
Size: 359KB - Virtual size: 358KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 99KB - Virtual size: 99KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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

0a2ef3be6e8fa003a59fdd3ecca7a683

Code Sign

33:00:00:03:a4:cb:e3:56:b8:cb:7f:e4:27:00:00:00:00:03:a4Certificate

Extended Key Usages

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

Key Usages

45:20:87:dc:45:56:47:68:88:f8:48:8c:6f:3a:08:74:b1:e5:b0:94:74:5c:48:43:ce:97:b5:ab:59:e8:e3:b7Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

oleaut32

shell32

shlwapi

user32

wininet

kernel32

ole32

urlmon

Sections

.text Size: 359KB - Virtual size: 358KB

.rdata Size: 99KB - Virtual size: 99KB

.data Size: 8KB - Virtual size: 19KB

.pdata Size: 17KB - Virtual size: 17KB

.gxfg Size: 11KB - Virtual size: 10KB

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

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

_RDATA Size: 512B - Virtual size: 348B

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

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

33:00:00:03:a4:cb:e3:56:b8:cb:7f:e4:27:00:00:00:00:03:a4
Certificate

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

45:20:87:dc:45:56:47:68:88:f8:48:8c:6f:3a:08:74:b1:e5:b0:94:74:5c:48:43:ce:97:b5:ab:59:e8:e3:b7
Signer

.text
Size: 359KB - Virtual size: 358KB

.rdata
Size: 99KB - Virtual size: 99KB

.data
Size: 8KB - Virtual size: 19KB

.pdata
Size: 17KB - Virtual size: 17KB

.gxfg
Size: 11KB - Virtual size: 10KB

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

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

_RDATA
Size: 512B - Virtual size: 348B

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

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