njrat | b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9[.]exe

Sharing

Copy URL Twitter E-mail

General

Target
b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9.exe
Size 337KB
Sample241202-klv18stkfp
SHA256 b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9
MD5 fab6044dc97455813e546ae4a32a1238
SHA1 95cbb03144516674b078f67255d77a9c4e5078d2
SHA512 5e39cfe45c1fd2ed6b05a33b8abd7a0f570032830c419775e8ec02c8a70504e94d8abbdb38d00ba266b91c35ccf4ff90d4c40638fb7b6817c962d885d1a56687
SSDEEP 3072:dewMFyNVITkEbgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc0l:KyPG5b1+fIyG5jZkCwi8j
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat

Malware Config

Signatures

Njrat family
njrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9.exe

File Explorer

b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9.exe

.exe 337KB

b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9.exe

IMPHASH 0b36fc85e0cb5e337c80982db5210969
SHA256 b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9
MD5 fab6044dc97455813e546ae4a32a1238
SHA1 95cbb03144516674b078f67255d77a9c4e5078d2
SHA512 5e39cfe45c1fd2ed6b05a33b8abd7a0f570032830c419775e8ec02c8a70504e94d8abbdb38d00ba266b91c35ccf4ff90d4c40638fb7b6817c962d885d1a56687
SSDEEP 3072:dewMFyNVITkEbgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc0l:KyPG5b1+fIyG5jZkCwi8j
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

b5e55080e150c196bd1ef5c7fa9bf7d9aa072f3b8d6079f3016ba5d9b0ef1eb9.exe

ole32

oleaut32

wininet

kernel32

user32

gdi32

advapi32

crtdll

ntdll

generic