tofsee | 9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66

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General

Target
9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66
Size 71KB
Sample240523-bc2yrafh47
SHA256 9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66
MD5 91d1b40fd194484ce28a1ee96db41244
SHA1 0bf204d1cab3099f19f1f2f6613388a0a7865e79
SHA512 6cc12b498fa123b7d9617c5c7bd55e0d9c4798fc1c035a795171fc06d9e587e5cc05ed2f54bb098f8dbee158feb03f2b985ba2a90fc502dacea50b7d04ba7697
SSDEEP 1536:XWs2DzCMPHNH02bAhDDwpC6Ku6JR3jdpIFUc:4zCMFH02bAhDDwAua5pI6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tofsee

Malware Config

Signatures

Tofsee family
tofsee

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66

File Explorer

9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66

.exe 71KB

9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66

IMPHASH 0bdef4d92a94790d7d279561a490c5bb
SHA256 9b933b7484f1cb98f8d4d029d765496988a889f530e490d00289310579233a66
MD5 91d1b40fd194484ce28a1ee96db41244
SHA1 0bf204d1cab3099f19f1f2f6613388a0a7865e79
SHA512 6cc12b498fa123b7d9617c5c7bd55e0d9c4798fc1c035a795171fc06d9e587e5cc05ed2f54bb098f8dbee158feb03f2b985ba2a90fc502dacea50b7d04ba7697
SSDEEP 1536:XWs2DzCMPHNH02bAhDDwpC6Ku6JR3jdpIFUc:4zCMFH02bAhDDwAua5pI6
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