njrat | 2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N

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General

Target
2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N
Size 337KB
Sample241009-k73cfatajm
SHA256 2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625
MD5 42fa20241f1172c5ba0533c3355bdf90
SHA1 8e37c36057c4a9d4fb013f4b4c61f6ab4b87962c
SHA512 df312bb2e2ff7ba307c9b1e074e45697132d77fd11613f9cfc412db33692d4aed68fa371dbc3e3f8fd7e687592274fdcfd088fff2fe4ab7c35ef91f6865ada32
SSDEEP 3072:kg1utTRxFZxJajrgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc09:k6MGr1+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
2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N

File Explorer

2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N

.exe 337KB

2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N

IMPHASH 0b36fc85e0cb5e337c80982db5210969
SHA256 2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625
MD5 42fa20241f1172c5ba0533c3355bdf90
SHA1 8e37c36057c4a9d4fb013f4b4c61f6ab4b87962c
SHA512 df312bb2e2ff7ba307c9b1e074e45697132d77fd11613f9cfc412db33692d4aed68fa371dbc3e3f8fd7e687592274fdcfd088fff2fe4ab7c35ef91f6865ada32
SSDEEP 3072:kg1utTRxFZxJajrgYfc0DV+1BIyLK5jZWlfXXqyYwi8x4Yfc09:k6MGr1+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

2c4bef5fb511e50a234589645fd0d4d38d6933d339e0083869db5af0a57b0625N

ole32

oleaut32

wininet

kernel32

user32

gdi32

advapi32

crtdll

ntdll

generic