2024-02-13_0f3087a6f00254f521de9289f5bde174_cobalt-strike_ryuk

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General

Target

2024-02-13_0f3087a6f00254f521de9289f5bde174_cobalt-strike_ryuk
Size

517KB
MD5

0f3087a6f00254f521de9289f5bde174
SHA1

f31703b4f6844f2feeff8a480cebe295bba598df
SHA256

c2e05f83c88b2cf5cd34cab2052a47ec16f49a52af708d4d23fe359384d65c66
SHA512

e7a417d1f3950ff8f4c5b1a9279983c31f5b4558ce7a1e7ce87a884d08e429a290d380a3b32af091014e5d7bd1a554570b4c00be34653c082aa9b8181a7eb3c3
SSDEEP

6144:+NeDgMHH6NF3ElrQnQQjvJ/+a3FhvdXPlaZe2eSuo3a/w3t:OOU3erOHjR/zZd/laZe2zJsw3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-13_0f3087a6f00254f521de9289f5bde174_cobalt-strike_ryuk

Files

2024-02-13_0f3087a6f00254f521de9289f5bde174_cobalt-strike_ryuk
.exe windows:6 windows x64 arch:x64

163dac23f9605642dc3d1be41a74bc67

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

rime

??0Config@rime@@QEAA@XZ
??0ConfigValue@rime@@QEAA@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
??0SchemaUpdate@rime@@QEAA@AEBVpath@1@@Z
??0WorkspaceUpdate@rime@@QEAA@Vany@std@@@Z
??1Config@rime@@UEAA@XZ
??1SchemaUpdate@rime@@UEAA@XZ
??1WorkspaceUpdate@rime@@UEAA@XZ
?AsList@ConfigItemRef@rime@@QEAA?AV?$shared_ptr@VConfigList@rime@@@std@@XZ
?AsMap@ConfigItemRef@rime@@QEAA?AV?$shared_ptr@VConfigMap@rime@@@std@@XZ
?Get@ConfigMap@rime@@QEBA?AV?$shared_ptr@VConfigItem@rime@@@std@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@4@@Z
?GetAt@ConfigList@rime@@QEBA?AV?$shared_ptr@VConfigItem@rime@@@std@@_K@Z
?HasKey@ConfigItemRef@rime@@QEBA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?LoadFromFile@Config@rime@@QEAA_NAEBVpath@2@@Z
?LoadModules@rime@@YAXQEAPEBD@Z
?Run@SchemaUpdate@rime@@UEAA_NPEAVDeployer@2@@Z
?Run@WorkspaceUpdate@rime@@UEAA_NPEAVDeployer@2@@Z
?SaveToFile@Config@rime@@QEAA_NAEBVpath@2@@Z
?Set@ConfigMap@rime@@QEAA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$shared_ptr@VConfigItem@rime@@@4@@Z
?SetAt@ConfigList@rime@@QEAA_N_KV?$shared_ptr@VConfigItem@rime@@@std@@@Z
?SetupLogging@rime@@YAXPEBD@Z
?ToString@ConfigItemRef@rime@@QEBA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ
?instance@Service@rime@@SAAEAV12@XZ
?kDeployerModules@rime@@3PAPEBDA
?set_modified@ConfigItemRef@rime@@QEAAXXZ
?size@ConfigItemRef@rime@@QEBA_KXZ

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateFileW
CreatePipe
CreateProcessW
DecodePointer
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameA
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesExW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTempPathA
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryA
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
OutputDebugStringA
PeekNamedPipe
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetConsoleOutputCP
SetConsoleTextAttribute
SetEndOfFile
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

dbghelp

SymCleanup
SymFromAddr
SymInitialize
SymSetOptions
UnDecorateSymbolName

Sections

.text
Size: 338KB - Virtual size: 337KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 107KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 76KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 30KB - Virtual size: 29KB

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: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

163dac23f9605642dc3d1be41a74bc67

Headers

DLL Characteristics

File Characteristics

Imports

rime

kernel32

dbghelp

Sections

.text Size: 338KB - Virtual size: 337KB

.rdata Size: 107KB - Virtual size: 106KB

.data Size: 6KB - Virtual size: 76KB

.pdata Size: 19KB - Virtual size: 19KB

.00cfg Size: 512B - Virtual size: 56B

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

.tls Size: 30KB - Virtual size: 29KB

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 512B - Virtual size: 424B

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

.text
Size: 338KB - Virtual size: 337KB

.rdata
Size: 107KB - Virtual size: 106KB

.data
Size: 6KB - Virtual size: 76KB

.pdata
Size: 19KB - Virtual size: 19KB

.00cfg
Size: 512B - Virtual size: 56B

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

.tls
Size: 30KB - Virtual size: 29KB

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 512B - Virtual size: 424B

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