Behavioral task
behavioral1
Sample
ottonova-m1.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ottonova-m1.exe
Resource
win10v2004-20230915-en
General
-
Target
ottonova-m1.exe
-
Size
7.8MB
-
MD5
78736427d476fed55817fc28211a9cfd
-
SHA1
ff858ab1f4bdd139f57fbcc752dbe5cedb46478a
-
SHA256
9e3f4cd0bbafa428565bd48c25d7606211acf700b97db19ab67cc2a287af4673
-
SHA512
f262d3a18ca58c00ca5d5142d657c082f51a43d29deb522dcf5e4751d865cc939c97daff622dc958bf663ddad5898166c7ea9512e3f93d04571005ff1a15b5db
-
SSDEEP
49152:usNLRS38Guxrb/TCvO90d7HjmAFd4A64nsfJ8ygJe+oaDKraaQGhMn+EivL0vdKh:QlrPWEWeiuRLEr+llRgZs
Malware Config
Signatures
-
Merlin family
-
Merlin payload 1 IoCs
resource yara_rule sample family_merlin -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ottonova-m1.exe
Files
-
ottonova-m1.exe.exe windows x64
9cbefe68f395e67356e2a5d8d1b285c0
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler
Sections
.text Size: 3.8MB - Virtual size: 3.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3.5MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 447KB - Virtual size: 859KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 68KB - Virtual size: 68KB
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