Behavioral task
behavioral1
Sample
merlinAgent-Windows-x64.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
merlinAgent-Windows-x64.exe
Resource
win10v2004-20240226-en
General
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Target
merlinAgent-Windows-x64.exe
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Size
11.5MB
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MD5
5f3cda0519a36167038df9f8c140ded3
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SHA1
40466b573fe3b8714ffe808b22f16a2c3183c13b
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SHA256
72510c24ff500d4b0bf892dbe18e921435e5cf95725fff321d36f257ec661a78
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SHA512
e3a823ba4e33f9eae640383d631f8dab1dc120d25af6acc0a2bbc777b5d7c765d9bff10c578f9f2ecea8f68cae05ad225de6f86af695e6224c426be4c3958d6a
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SSDEEP
98304:iiFz8I1m+fN48wactDXLaBcvZeFwQ+QM5H6hE/DP0U2M292KNfMc:iLcfN48QjLscvgw0M5tFSfMc
Malware Config
Signatures
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Merlin family
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Merlin payload 1 IoCs
resource yara_rule sample family_merlin -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource merlinAgent-Windows-x64.exe
Files
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merlinAgent-Windows-x64.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