tofsee | 691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f[.]bin

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General

Target
691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f.bin
Size 84KB
Sample261009-k97pyady6s
SHA256 691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f
MD5 02890a2098be0f333198afdae2fedad8
SHA1 73925ada16c51584aa56273f877797757a044d64
SHA512 a1221b1cd36daea346d586c5026055305e6793414d6021fa9df2f176bf69d92f9380514b98fd7039cc4348f4ff4c59335cbb9b8578b88986548a1745c06ee8c8
SSDEEP 1536:htkiUILf2Crnn6JClFOr5MHs0IV07KOD2dpI:htx1z2Crn0ClFmMHsj27EpI
TLSH
T194837D57F5D19032E481407267697F56BBFAE9393C2AA8C3D7031A44AEA8CD1DF2D243
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
691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f.bin

File Explorer

691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f.bin

.exe 84KB

691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 691be26bf412a1958f5b03a04acfb4d02d077d9cf5c83340248f85907ae79d9f
MD5 02890a2098be0f333198afdae2fedad8
SHA1 73925ada16c51584aa56273f877797757a044d64
SHA512 a1221b1cd36daea346d586c5026055305e6793414d6021fa9df2f176bf69d92f9380514b98fd7039cc4348f4ff4c59335cbb9b8578b88986548a1745c06ee8c8
SSDEEP 1536:htkiUILf2Crnn6JClFOr5MHs0IV07KOD2dpI:htx1z2Crn0ClFmMHsj27EpI
TLSH
T194837D57F5D19032E481407267697F56BBFAE9393C2AA8C3D7031A44AEA8CD1DF2D243
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