Behavioral task
behavioral1
Sample
merlinAgent-Windows-x64-Debug.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
merlinAgent-Windows-x64-Debug.exe
Resource
win10v2004-20240226-en
General
-
Target
merlinAgent-Windows-x64-Debug.exe
-
Size
11.5MB
-
MD5
79847397e2a248df579fd279b6535402
-
SHA1
462d0e10988099a1a58b1465e5fd6ad438c3b968
-
SHA256
115aa5c6589e8c053030f2cdbb770debc6190be6bc8da77f06452f56e73f80e9
-
SHA512
48fc1041516f288060cdeedd153874ba63a68c64a6fe5a39f3457f716d1917c364486830c8d439c3c744189f1087713584ec148c8123a780251678a1144559a8
-
SSDEEP
98304:xiFz8I1m+fN48wactDXLaBcvZeFwQ+QM5H6hE/DP0U2M292KNfMc:xLcfN48QjLscvgw0M5tFSfMc
Malware Config
Signatures
-
Merlin family
-
Merlin payload 1 IoCs
Processes:
resource yara_rule sample family_merlin -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource merlinAgent-Windows-x64-Debug.exe
Files
-
merlinAgent-Windows-x64-Debug.exe.exe windows:6 windows x64 arch:x64
4f2f006e2ecf7172ad368f8289dc96c1
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
kernel32
WriteFile
WriteConsoleW
WerSetFlags
WerGetFlags
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
RaiseFailFastException
PostQueuedCompletionStatus
LoadLibraryW
LoadLibraryExW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetErrorMode
GetEnvironmentStringsW
GetCurrentThreadId
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 5.2MB - Virtual size: 5.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5.1MB - Virtual size: 5.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.0MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 116KB - Virtual size: 115KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 512B - Virtual size: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 98KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.symtab Size: 512B - Virtual size: 4B
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ