masonrat | EAX settings[.]exe

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General

Target
EAX settings.exe
Size 58KB
Sample260830-xfd7razsds
SHA256 a4cd5c7e782cce9ef6788a2031ad86c5da5a429125d3eb00764cf20da222e7d0
MD5 992a0b28ad83095d6f3d605d0c604b38
SHA1 f71f715e0bb851d5708f37eb8cf872245a8aaefa
SHA512 51321df89fa265e9afd2d18fa1f19242fdc8e8f817b4f78e8075714eb86fcfd960fa0c0fde02b0700f76425f731a6d162930630fdb472008f28f4ac341e7b26b
SSDEEP 768:rkRIbDnDSgr4j3Mjkflyk6uMCOHDTw+0Bsu1wRxkSUN+1XFJuvw1bSfMPRKqSUqJ:7br2grwMXuzUU7KMVNSFkvwImbE
TLSH
T120431A0AF34364ECD51AC6B486EB6773FA71BC6601359F3F4750DA312E10E60AE69B18
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat masonrat

Malware Config

Extracted

Family

masonrat

c2.freemasonry.dev:35499

Attributes

account_id
97a4fb4b356ff30d8de87da2ec5eff99

Signatures

Family: masonrat
MasonRAT is a Windows RAT written in C.
rat masonrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
EAX settings.exe

File Explorer

EAX settings.exe

.exe 58KB

EAX settings.exe

IMPHASH 8553e0ea805830ac143264dffd52b63d
SHA256 a4cd5c7e782cce9ef6788a2031ad86c5da5a429125d3eb00764cf20da222e7d0
MD5 992a0b28ad83095d6f3d605d0c604b38
SHA1 f71f715e0bb851d5708f37eb8cf872245a8aaefa
SHA512 51321df89fa265e9afd2d18fa1f19242fdc8e8f817b4f78e8075714eb86fcfd960fa0c0fde02b0700f76425f731a6d162930630fdb472008f28f4ac341e7b26b
SSDEEP 768:rkRIbDnDSgr4j3Mjkflyk6uMCOHDTw+0Bsu1wRxkSUN+1XFJuvw1bSfMPRKqSUqJ:7br2grwMXuzUU7KMVNSFkvwImbE
TLSH
T120431A0AF34364ECD51AC6B486EB6773FA71BC6601359F3F4750DA312E10E60AE69B18
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5328

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

advapi32

CryptAcquireContextA CryptCreateHash CryptDestroyHash CryptGenRandom CryptGetHashParam CryptHashData CryptReleaseContext GetUserNameA RegCloseKey RegOpenKeyExA RegQueryValueExA

bcrypt

BCryptCloseAlgorithmProvider BCryptCreateHash BCryptDecrypt BCryptDestroyHash BCryptDestroyKey BCryptEncrypt BCryptFinishHash BCryptGenRandom BCryptGenerateSymmetricKey BCryptGetProperty BCryptHashData BCryptImportKeyPair BCryptOpenAlgorithmProvider BCryptSetProperty

kernel32

CloseHandle CreateFileA CreateMutexA CreatePipe CreateProcessA DeleteCriticalSection EnterCriticalSection ExitProcess ExpandEnvironmentStringsA FreeLibrary GetComputerNameA GetCurrentDirectoryW GetCurrentProcessId GetDiskFreeSpaceExA GetLastError GetModuleHandleA GetProcAddress GetProcessHeap GetStartupInfoA GetSystemInfo GetTickCount GetTickCount64 GlobalMemoryStatusEx HeapAlloc HeapFree InitializeCriticalSection IsDBCSLeadByteEx LeaveCriticalSection LoadLibraryA MultiByteToWideChar OpenProcess PeekNamedPipe ReadFile SetHandleInformation SetUnhandledExceptionFilter Sleep TerminateProcess TlsGetValue VirtualAlloc VirtualFree VirtualProtect VirtualQuery WTSGetActiveConsoleSessionId WaitForSingleObject WideCharToMultiByte WriteFile

msvcrt

__C_specific_handler ___lc_codepage_func ___mb_cur_max_func __getmainargs __initenv __iob_func __lconv_init __set_app_type __setusermatherr _acmdln _amsg_exit _cexit _commode _errno _fmode _initterm _onexit _strdup _stricmp abort calloc exit fprintf fputc free fwrite localeconv malloc memcpy realloc signal strerror strlen strncmp strncpy strstr vfprintf wcslen

ws2_32

WSAIoctl WSAStartup closesocket connect freeaddrinfo getaddrinfo recv send setsockopt socket

Name

.text

Size

41KB

Virtual Size

41KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

240B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

104B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1024B

Virtual Size

976B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

512B

Virtual Size

140B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

EAX settings.exe

advapi32

bcrypt

kernel32

msvcrt

ws2_32

generic