tofsee | f16fc2ac7e1e693ecf08ed05fe889bc0N[.]exe

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General

Target
f16fc2ac7e1e693ecf08ed05fe889bc0N.exe
Size 71KB
Sample240804-scc33ascrf
SHA256 625afc0a5a909014f9fab052f5eae642a6677d2e1f60b7593aaedabdf6864aec
MD5 f16fc2ac7e1e693ecf08ed05fe889bc0
SHA1 4c08c50c5e036207749bac0444eed157ecc0e07a
SHA512 e364e42b08bf70b1f0df32c153a2e8d037bfc50e2171ae156f08b82dc8159c12eec94ac27d8b23f1f23a94c900f89d7c29161f0b6fb84d90a3b5d83427dad5f8
SSDEEP 1536:6kes21VCy1nTxSYg3CXTjFWL9HZdpILUc:6DVCyFxSYACXFuHpII
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tofsee

Malware Config

Extracted

Family

tofsee

vanaheim.cn
jotunheim.name

Signatures

Tofsee family
tofsee

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
f16fc2ac7e1e693ecf08ed05fe889bc0N.exe

File Explorer

f16fc2ac7e1e693ecf08ed05fe889bc0N.exe

.exe 71KB

f16fc2ac7e1e693ecf08ed05fe889bc0N.exe

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 625afc0a5a909014f9fab052f5eae642a6677d2e1f60b7593aaedabdf6864aec
MD5 f16fc2ac7e1e693ecf08ed05fe889bc0
SHA1 4c08c50c5e036207749bac0444eed157ecc0e07a
SHA512 e364e42b08bf70b1f0df32c153a2e8d037bfc50e2171ae156f08b82dc8159c12eec94ac27d8b23f1f23a94c900f89d7c29161f0b6fb84d90a3b5d83427dad5f8
SSDEEP 1536:6kes21VCy1nTxSYg3CXTjFWL9HZdpILUc:6DVCyFxSYACXFuHpII
MD5 SHA1 SHA512 SSDEEP

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