tofsee | a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594[.]bin

Sharing

Copy URL Twitter E-mail

General

Target
a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594.bin
Size 11.2MB
Sample261027-ndlpdadc97
SHA256 a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594
MD5 dfef3b63daa1283f2e4e5197f111c4d3
SHA1 51f7a2c4f7b66eb8d0a02c0b990eaa4e45b74a71
SHA512 f7560890c29d53860464f475ba1700d0bf72b25254d02438ac23e230e7cb5a9b534d3c94011946c685d94b3660913fe966d9ab9e128052324f4bb726e148b0ed
SSDEEP 6144:ZDVCynACXFHpI0zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzP:V8vmFHp
TLSH
T173C62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
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
a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594.bin

File Explorer

a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594.bin

.exe 11.2MB

a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594.bin

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 a3e2619910bf47c005c5f8cc96c595b8cfe75c343c1645fa95dfbebc994a9594
MD5 dfef3b63daa1283f2e4e5197f111c4d3
SHA1 51f7a2c4f7b66eb8d0a02c0b990eaa4e45b74a71
SHA512 f7560890c29d53860464f475ba1700d0bf72b25254d02438ac23e230e7cb5a9b534d3c94011946c685d94b3660913fe966d9ab9e128052324f4bb726e148b0ed
SSDEEP 6144:ZDVCynACXFHpI0zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzP:V8vmFHp
TLSH
T173C62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
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