tofsee | b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4[.]bin

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General

Target
b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4.bin
Size 10.6MB
Sample261017-vt2tvsay8s
SHA256 b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4
MD5 82c8fed0963751fa2b4ac8779808638b
SHA1 a38502f7a0ab0d84734865c5cf65d1e763c2332a
SHA512 a2fbb1116f37342f8d68f1608a5837befb59aebba997c02cc65a0f07349b5cc976b989a0164b7bc7691973bb1eab8f5d82c3f0067c759b64602c41f569b427f2
SSDEEP 6144:S1VCbRFuzFHpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz7:Q87KFHp
TLSH
T1E6B62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan tofsee

Malware Config

Extracted

Family

tofsee

43.231.4.7
lazystax.ru

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
b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4.bin

File Explorer

b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4.bin

.exe 10.6MB

b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 b8fc3f345e9c64b5f495b665b50488b8588410096f35074f7e692b6cca46a6b4
MD5 82c8fed0963751fa2b4ac8779808638b
SHA1 a38502f7a0ab0d84734865c5cf65d1e763c2332a
SHA512 a2fbb1116f37342f8d68f1608a5837befb59aebba997c02cc65a0f07349b5cc976b989a0164b7bc7691973bb1eab8f5d82c3f0067c759b64602c41f569b427f2
SSDEEP 6144:S1VCbRFuzFHpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz7:Q87KFHp
TLSH
T1E6B62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
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