njrat | 51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN[.]exe

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General

Target
51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN.exe
Size 93KB
Sample250116-2tj3datmdl
SHA256 51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fb
MD5 e1aeb9e6e7edc697b6842bc5b937ee80
SHA1 0395046e66291929875f5469f550805d3910b7d9
SHA512 51a7fccef2635d4d91dddc293b1a28c31f6ea53e811bb9ab3bb0136f2681004df675a8263b182c065e814faddc88387b8d23eaddb1b646419be578b1f06a874e
SSDEEP 1536:I0oaqtjYUp5IePIdE+/nwsMJb/4G2X1DaYfMZRWuLsV+1L:I0owU2dE+/wdJUJXgYfc0DV+1L
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat

Malware Config

Signatures

Njrat family
njrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN.exe

File Explorer

51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN.exe

.exe 93KB

51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN.exe

IMPHASH 0b36fc85e0cb5e337c80982db5210969
SHA256 51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fb
MD5 e1aeb9e6e7edc697b6842bc5b937ee80
SHA1 0395046e66291929875f5469f550805d3910b7d9
SHA512 51a7fccef2635d4d91dddc293b1a28c31f6ea53e811bb9ab3bb0136f2681004df675a8263b182c065e814faddc88387b8d23eaddb1b646419be578b1f06a874e
SSDEEP 1536:I0oaqtjYUp5IePIdE+/nwsMJb/4G2X1DaYfMZRWuLsV+1L:I0owU2dE+/wdJUJXgYfc0DV+1L
MD5 SHA1 SHA512 SSDEEP

windows:1 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

196608

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

ole32

CoCreateInstance CLSIDFromString CoInitialize CoUninitialize

oleaut32

SysAllocString

wininet

DeleteUrlCacheEntry FindFirstUrlCacheEntryA FindNextUrlCacheEntryA

kernel32

ExitProcess ExpandEnvironmentStringsA GetCommandLineA GetComputerNameA GetCurrentProcessId GetCurrentThreadId GetExitCodeThread GetFileSize GetModuleFileNameA GetModuleHandleA CloseHandle GetProcAddress GetSystemDirectoryA GetTempPathA GetTickCount GetVersion GetVersionExA GetWindowsDirectoryA GlobalMemoryStatus CopyFileA InterlockedIncrement IsBadReadPtr IsBadWritePtr LoadLibraryA LocalAlloc LocalFree OpenMutexA CreateFileA ReadFile RtlUnwind SetFilePointer CreateMutexA Sleep TerminateProcess VirtualQuery CreateProcessA WaitForSingleObject WideCharToMultiByte WinExec WriteFile lstrlenA lstrlenW CreateThread DeleteFileA

user32

GetWindowTextA GetWindowRect FindWindowA GetWindow GetClassNameA SetFocus GetForegroundWindow LoadCursorA LoadIconA SetTimer RegisterClassA MessageBoxA GetMessageA GetWindowLongA SetWindowLongA CreateDesktopA SetThreadDesktop GetThreadDesktop TranslateMessage DispatchMessageA SendMessageA PostQuitMessage ShowWindow CreateWindowExA DestroyWindow MoveWindow DefWindowProcA CallWindowProcA

gdi32

GetStockObject SetBkColor SetTextColor CreateBrushIndirect CreateFontA

advapi32

GetUserNameA RegCreateKeyExA RegCloseKey RegOpenKeyExA RegQueryValueExA RegSetValueExA GetSecurityInfo SetSecurityInfo SetEntriesInAclA

crtdll

__GetMainArgs _sleep _stricmp atoi exit memcpy memset printf raise rand signal sprintf srand sscanf strcat strchr strncmp vsprintf

ntdll

LdrUnloadDll

Name

.text

Size

31KB

Virtual Size

31KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

132KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.data

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fldo

Size

512B

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.l1

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

51bd375212dc9929be2cf4e0623a55daa04f269353f23567dc83e0ad9a64f6fbN.exe

ole32

oleaut32

wininet

kernel32

user32

gdi32

advapi32

crtdll

ntdll

generic