2024-02-11_b385f73da874ceedcacdfdbffe3c6dfb_cobalt-strike_ryuk

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General

Target

2024-02-11_b385f73da874ceedcacdfdbffe3c6dfb_cobalt-strike_ryuk
Size

438KB
MD5

b385f73da874ceedcacdfdbffe3c6dfb
SHA1

545f118d39d9391c4ef927c8f29f49d4a76d2f23
SHA256

db804d0b3e584a9849c3555ecc0e953823a3229ba8310083ff4e1d9c0063aa40
SHA512

83e1aa1904614cec0a50e060cb259ecda13af90e99c8866da538124157eef1214b8e8e7d09c462ff52cf980414934cb548c109245710cc2e28b305a23ac05148
SSDEEP

6144:b2vYg/KfSIBMDgW0L4FWa1yYMOgWQO8+071y6rpz0V:VgGSIu8OshYMUQOR6+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-11_b385f73da874ceedcacdfdbffe3c6dfb_cobalt-strike_ryuk

Files

2024-02-11_b385f73da874ceedcacdfdbffe3c6dfb_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

ad93bccd3325bb814d5a573c3780f75f

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

H:\Dragon_113x64\src\out\Dragon\Dragon\Release\virtual_mode_helper.exe.pdb

Imports

advapi32

RegCloseKey
RegOpenKeyW
RegQueryValueExW

shell32

ShellExecuteW

kernel32

AcquireSRWLockExclusive
CancelIo
CloseHandle
CompareStringW
ConnectNamedPipe
CreateEventW
CreateFileW
CreateNamedPipeW
DeleteCriticalSection
DisconnectNamedPipe
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
GetFileSizeEx
GetFileType
GetLastError
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

Sections

.text
Size: 306KB - Virtual size: 305KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 9KB - Virtual size: 9KB

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

.rsrc
Size: 1024B - Virtual size: 960B

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

ad93bccd3325bb814d5a573c3780f75f

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

shell32

kernel32

Sections

.text Size: 306KB - Virtual size: 305KB

.rdata Size: 93KB - Virtual size: 92KB

.data Size: 8KB - Virtual size: 18KB

.pdata Size: 15KB - Virtual size: 14KB

.00cfg Size: 512B - Virtual size: 24B

.gxfg Size: 9KB - Virtual size: 9KB

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

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

.rsrc Size: 1024B - Virtual size: 960B

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

.text
Size: 306KB - Virtual size: 305KB

.rdata
Size: 93KB - Virtual size: 92KB

.data
Size: 8KB - Virtual size: 18KB

.pdata
Size: 15KB - Virtual size: 14KB

.00cfg
Size: 512B - Virtual size: 24B

.gxfg
Size: 9KB - Virtual size: 9KB

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

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

.rsrc
Size: 1024B - Virtual size: 960B

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