tofsee | NEAS[.]01f88340120b59001c8916b918879530[.]exe

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General

Target
NEAS.01f88340120b59001c8916b918879530.exe
Size 71KB
Sample231102-t2n3asha86
SHA256 7ffde57f546eba64366ad395dd2f496bbed6d7d1fe86868089dc61bd6ec566dd
MD5 01f88340120b59001c8916b918879530
SHA1 7dd0a0d520eb2526084c8ae77a3613cfe6a830be
SHA512 f2735705a4bca43d483392798de6f9eb321b27fcb4a620adbdda520a286099556d1797b3acc858989f2b191c8bfc081245c493cc6504e6c588a9d04f2195e371
SSDEEP 1536:Xss2wgCTkfusDBeaFmY3xHER7WRWdpIUUc:pgCTrsDBpFm8klpI/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tofsee

Malware Config

Signatures

Tofsee family
tofsee

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NEAS.01f88340120b59001c8916b918879530.exe

File Explorer

NEAS.01f88340120b59001c8916b918879530.exe

.exe 71KB

NEAS.01f88340120b59001c8916b918879530.exe

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 7ffde57f546eba64366ad395dd2f496bbed6d7d1fe86868089dc61bd6ec566dd
MD5 01f88340120b59001c8916b918879530
SHA1 7dd0a0d520eb2526084c8ae77a3613cfe6a830be
SHA512 f2735705a4bca43d483392798de6f9eb321b27fcb4a620adbdda520a286099556d1797b3acc858989f2b191c8bfc081245c493cc6504e6c588a9d04f2195e371
SSDEEP 1536:Xss2wgCTkfusDBeaFmY3xHER7WRWdpIUUc:pgCTrsDBpFm8klpI/
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

39531

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

ws2_32

ioctlsocket __WSAFDIsSet WSAStartup send connect setsockopt bind listen accept getsockname htonl gethostname socket select recv ntohs htons sendto gethostbyaddr inet_ntoa gethostbyname inet_addr getpeername closesocket

dbghelp

StackWalk64

kernel32

GetVolumeInformationA GetComputerNameA GetTickCount GetCurrentProcess GetModuleHandleA GetSystemInfo GetVersionExA lstrcmpiA lstrlenA Sleep lstrcpynA InterlockedExchange GetCurrentThreadId ExitProcess GetOverlappedResult WaitForSingleObject GetLastError WriteFile ReadFile CreateFileA DisconnectNamedPipe ConnectNamedPipe CreateNamedPipeA CloseHandle LoadLibraryA GetEnvironmentVariableA DeleteFileA IsBadWritePtr IsBadCodePtr lstrcpyA lstrcmpA VirtualProtect IsBadReadPtr VirtualFree WriteProcessMemory VirtualAllocEx VirtualAlloc SetFilePointer GetFileSize SetFileAttributesA GetDiskFreeSpaceA GetWindowsDirectoryA GetProcAddress LocalFree GetFileAttributesExA LocalAlloc CreateProcessA GetTempPathA SystemTimeToFileTime GetSystemTime DeviceIoControl CreateFileW GetModuleFileNameA ResumeThread SetThreadContext TerminateProcess GetThreadContext lstrcatA CreateThread GetDriveTypeA GetCommandLineA SetUnhandledExceptionFilter SetErrorMode InterlockedIncrement GetLocalTime GetTimeZoneInformation FileTimeToLocalFileTime FileTimeToSystemTime InterlockedDecrement HeapSize GetSystemTimeAsFileTime MultiByteToWideChar lstrlenW GetStartupInfoW GetProcessHeap HeapAlloc HeapReAlloc HeapFree FreeLibrary CreateEventA GetSystemDirectoryA

user32

wsprintfA CharToOemA

advapi32

ConvertSidToStringSidA AllocateAndInitializeSid CreateProcessWithLogonW RegCreateKeyExA StartServiceCtrlDispatcherA RegisterServiceCtrlHandlerA SetServiceStatus RegDeleteValueA RegGetKeySecurity RegSetKeySecurity RegSetValueExA GetLengthSid GetFileSecurityA GetSecurityDescriptorOwner EqualSid InitializeSecurityDescriptor SetSecurityDescriptorOwner SetFileSecurityA GetSecurityDescriptorDacl GetAce DeleteAce SetSecurityDescriptorDacl RegQueryValueExA RegEnumKeyA RegOpenKeyExA RegEnumValueA GetUserNameW LookupAccountNameW LookupAccountNameA GetUserNameA RegCloseKey CheckTokenMembership FreeSid

shell32

ShellExecuteA ShellExecuteExW

oleaut32

SysAllocStringByteLen