tofsee | dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8[.]bin

Sharing

Copy URL Twitter E-mail

General

Target
dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8.bin
Size 84KB
Sample261004-k87csazycv
SHA256 dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8
MD5 5c4677fac5c1c9d13228366fabd09e79
SHA1 f9efd646267a2aad30914747c32520120fad4a59
SHA512 653f5ae4ef485474c4edecca973ce8f33276bcab0bd86c4956208ec622b307602cbf06de33f95c2821365eb4bb4929255db90f2352cd0ef698e484de5be0d44a
SSDEEP 1536:AnRs8KA/yC+S/PK1qFwSVRoTcgz0BWCLvzwdpI:ARHK4yC+S/cqFwSV4OtzupI
TLSH
T17C836C17F6D1D173E48542B1D2586F56EBF2C93A312EA6C2D7620E806EF49C1DB2A307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan tofsee

Malware Config

Signatures

Family: Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8.bin

File Explorer

dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8.bin

.exe 84KB

dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 dc143eefb58631bdb985a4bdf2ed6c1f3bb4e6648b1dd58ca2617b8f909672c8
MD5 5c4677fac5c1c9d13228366fabd09e79
SHA1 f9efd646267a2aad30914747c32520120fad4a59
SHA512 653f5ae4ef485474c4edecca973ce8f33276bcab0bd86c4956208ec622b307602cbf06de33f95c2821365eb4bb4929255db90f2352cd0ef698e484de5be0d44a
SSDEEP 1536:AnRs8KA/yC+S/PK1qFwSVRoTcgz0BWCLvzwdpI:ARHK4yC+S/cqFwSV4OtzupI
TLSH
T17C836C17F6D1D173E48542B1D2586F56EBF2C93A312EA6C2D7620E806EF49C1DB2A307
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch: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