njrat | 8191faa6ae27ca4a0b830c88744f5030N[.]exe

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General

Target
8191faa6ae27ca4a0b830c88744f5030N.exe
Size 337KB
Sample240716-g9txas1hrf
SHA256 f18de312bf8959ba8253360ce59f00d68abdcdf8cbfca7cd7feba253047ecaf1
MD5 8191faa6ae27ca4a0b830c88744f5030
SHA1 3b25e41afbf6aa90e49a30f9e94947134138a428
SHA512 b31976b801c417538efa5f59ca8b7307bdbd066b66e4a84209cb68cda4c36e1a9523448814a027d675452f638a11385821cdd67c24b137d12464f7d6273b1032
SSDEEP 3072:oNUrECnQBEyBSUrZMgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc09:KUg1v9rZM1+fIyG5jZkCwi8r
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat

Malware Config

Signatures

Njrat family
njrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
8191faa6ae27ca4a0b830c88744f5030N.exe

File Explorer

8191faa6ae27ca4a0b830c88744f5030N.exe

.exe 337KB

8191faa6ae27ca4a0b830c88744f5030N.exe

IMPHASH 0b36fc85e0cb5e337c80982db5210969
SHA256 f18de312bf8959ba8253360ce59f00d68abdcdf8cbfca7cd7feba253047ecaf1
MD5 8191faa6ae27ca4a0b830c88744f5030
SHA1 3b25e41afbf6aa90e49a30f9e94947134138a428
SHA512 b31976b801c417538efa5f59ca8b7307bdbd066b66e4a84209cb68cda4c36e1a9523448814a027d675452f638a11385821cdd67c24b137d12464f7d6273b1032
SSDEEP 3072:oNUrECnQBEyBSUrZMgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc09:KUg1v9rZM1+fIyG5jZkCwi8r
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

8191faa6ae27ca4a0b830c88744f5030N.exe

ole32

oleaut32

wininet

kernel32

user32

gdi32

advapi32

crtdll

ntdll

generic