tofsee | bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68[.]bin

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General

Target
bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68.bin
Size 11.4MB
Sample261012-spt74sts6m
SHA256 bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68
MD5 0a09b77b6f7f34075e28f9edeadcf1d0
SHA1 f9302380dcec723ffaf3bbe528050296ba956c1d
SHA512 6a14bd67815b37d9f3f53ba4330150ff44d59dea43e771ce85646e25bdbb104a1afc065d54b06f517f3ee721bc7c6656355d4eb35a5a86ee824154d23fc86666
SSDEEP 6144:N1VCbRFuzFHpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz7:P87KFHp
TLSH
T1C8C62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
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
bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68.bin

File Explorer

bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68.bin

.exe 11.4MB

bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 bc1fa3ea758962b7f2588c7f4bd1d4dfc64c7a8fefe8c04d85087f81c2c99d68
MD5 0a09b77b6f7f34075e28f9edeadcf1d0
SHA1 f9302380dcec723ffaf3bbe528050296ba956c1d
SHA512 6a14bd67815b37d9f3f53ba4330150ff44d59dea43e771ce85646e25bdbb104a1afc065d54b06f517f3ee721bc7c6656355d4eb35a5a86ee824154d23fc86666
SSDEEP 6144:N1VCbRFuzFHpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz7:P87KFHp
TLSH
T1C8C62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
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