tofsee | 673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c[.]bin

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General

Target
673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c.bin
Size 768KB
Sample261113-vt2tvsd13v
SHA256 673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c
MD5 b1cc34f5dbf2e0ef12079f4a1a2f6eae
SHA1 c31a4c2a702b798f0e3142a065033fa6c5956eef
SHA512 f89d08a5b6be6c50bcc40304ceb59a235ff59bde95ca8413d818c5ce57bf10836d4c9e79a7c90f65dafd6ee0143e450670421103e27d8384a24e4f00a0421934
SSDEEP 6144:Fm5C2T82TRiCpIzPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPD:QwzeRTpQ
TLSH
T1FFF44B2A807B24F5C670107CF78C7B7EAAFE46F49EB4015B689C97C1E4289D454EC6A3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan tofsee

Malware Config

Extracted

Family

tofsee

vanaheim.cn
jotunheim.name

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
673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c.bin

File Explorer

673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c.bin

.exe 768KB

673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 673ca54446a6452eb4f85f11ce864b42093306cbb2fa9a81002a4c1d74c6ae1c
MD5 b1cc34f5dbf2e0ef12079f4a1a2f6eae
SHA1 c31a4c2a702b798f0e3142a065033fa6c5956eef
SHA512 f89d08a5b6be6c50bcc40304ceb59a235ff59bde95ca8413d818c5ce57bf10836d4c9e79a7c90f65dafd6ee0143e450670421103e27d8384a24e4f00a0421934
SSDEEP 6144:Fm5C2T82TRiCpIzPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPD:QwzeRTpQ
TLSH
T1FFF44B2A807B24F5C670107CF78C7B7EAAFE46F49EB4015B689C97C1E4289D454EC6A3
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