nircmdc[.]exe | Triage

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General

Target

nircmdc.exe
Size

114KB
MD5

a89a436cd742f2aed183ae3aac6f575f
SHA1

5640391e8cd2b58ccafc038d18eab4c1ec824d9f
SHA256

3c8fca34b2568cfd9cf54809160468ee0e06c12e80f194519a3aea3b6ca166bd
SHA512

aec2a7d99eb89614957f60f43914bc6844e7aad6370f73d6732fbaf02e3df28cd5b33bc39007322168ea74422c0cca58803f5b497a789db25571cf5b755c17a1
SSDEEP

3072:T+/IbY4LezmixSFI/afuPlfTS/mO5Oo1u5rfA3J/P2HwHlh/Pazg/+85:a/Ib1CxSUl0PlhN/v5

Score

10^/10

Malware Config

Signatures

Nirsoft 1 IoCs

resource	yara_rule
sample	Nirsoft

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
nircmdc.exe

Files

nircmdc.exe
.exe windows x64

153029c65b56102ebe43b1e86353b387

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

winmm

mixerOpen
mciSendStringA
mixerGetControlDetailsA
waveOutSetVolume
mixerGetLineControlsA
mixerSetControlDetails
waveOutGetVolume
mixerGetLineInfoA
waveOutGetNumDevs
waveOutGetDevCapsA
mixerClose

msvcrt

_initterm
__getmainargs
__initenv
exit
_cexit
_exit
_c_exit
_XcptFilter
__C_specific_handler
_onexit
__dllonexit
__setusermatherr
_strlwr
atof
puts
_mbsicmp
_snprintf
printf
_strnicmp
strtol
atoi
_stricmp
strcmp
_commode
_fmode
__set_app_type
_itoa
strtoul
strchr
strcpy
_memicmp
memcmp
strrchr
wcslen
malloc
wcscpy
free
wcscmp
wcsrchr
_wcsicmp
memcpy
strlen
??3@YAXPEAX@Z
??2@YAPEAX_K@Z
memset
_strcmpi
sprintf
strcat

kernel32

Beep
DeleteFileA
WinExec
LocalFileTimeToFileTime
GetStdHandle
CreateProcessA
SetComputerNameA
GetEnvironmentVariableA
DeviceIoControl
WritePrivateProfileStringA
GetCurrentProcess
TerminateProcess
CreateToolhelp32Snapshot
Process32First
Process32Next
GetCurrentThreadId
GetSystemTime
SetProcessAffinityMask
ReadProcessMemory
SetConsoleTextAttribute
GetSystemDirectoryA
OutputDebugStringA
WaitForSingleObject
SetPriorityClass
Sleep
OpenProcess
LocalFree
SetFilePointer
FindClose
GetWindowsDirectoryA
CopyFileA
GetModuleHandleA
FreeLibrary
GetProcAddress
LoadLibraryA
GlobalAlloc
CloseHandle
GlobalSize
GlobalLock
GlobalUnlock
SystemTimeToFileTime
MultiByteToWideChar
GetFileAttributesA
ReadFile
GetModuleFileNameA
GetTimeFormatA
FindNextFileA
LoadLibraryExA
FormatMessageA
SetFileTime
GetDateFormatA
CreateDirectoryA
GetFileTime
WriteFile
FindFirstFileA
GetCommandLineA
GetLastError
GetVersionExA
CreateFileA
GetFileSize
SetFileAttributesA
WideCharToMultiByte

user32

EnumChildWindows
RegisterClassA
IsWindowEnabled
TrackPopupMenu
GetMessageA
TranslateMessage
DispatchMessageA
GetWindowTextA
KillTimer
GetParent
FindWindowA
SendInput
AttachThreadInput
ShowWindow
DefWindowProcA
GetForegroundWindow
SendMessageTimeoutA
SystemParametersInfoA
GetActiveWindow
GetSystemMetrics
IsWindowVisible
SetTimer
SetWindowPos
DestroyIcon
PostMessageA
ExitWindowsEx
InvalidateRect
SetCursorPos
MessageBeep
SetDlgItemTextA
DialogBoxParamA
EndDialog
SendMessageA
GetDlgItem
SetWindowTextA
MessageBoxA
GetDlgItemTextA
CreateWindowExA
GetWindowTextLengthA
GetClipboardFormatNameA
EmptyClipboard
RegisterClipboardFormatA
SetClipboardData
CloseClipboard
OpenClipboard
GetWindowLongA
SetWindowLongA
ReleaseDC
GetDC
GetClipboardData
SetForegroundWindow
EnableWindow
MapWindowPoints
GetWindowPlacement
GetCursorPos
GetWindowRect
MoveWindow
SetFocus
GetClassNameA
SetWindowPlacement
GetMonitorInfoA
EnumWindows
EnumDisplaySettingsA
GetDesktopWindow
EnumDisplayMonitors
EnumDisplayDevicesA
ChangeDisplaySettingsA
GetWindowThreadProcessId
PostQuitMessage

gdi32

CreateCompatibleBitmap
DeleteDC
BitBlt
CreateCompatibleDC
GetDeviceCaps
SelectObject
CreateDIBitmap
GetObjectA
DeleteObject

advapi32

RegDeleteValueA
RegQueryInfoKeyA
RegOpenKeyExA
RegCreateKeyExA
RegQueryValueExA
RegSetValueExA
RegCloseKey
RegDeleteKeyA

shell32

ExtractIconExA
SHFileOperationA
ShellExecuteExA
SHChangeNotify
ShellExecuteA
Shell_NotifyIconA

ole32

OleGetClipboard
ReleaseStgMedium
CoCreateInstance
CoUninitialize
CoInitialize
CoTaskMemAlloc
CoTaskMemFree
PropVariantClear

Sections

.text
Size: 83KB - Virtual size: 82KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

153029c65b56102ebe43b1e86353b387

Headers

DLL Characteristics

File Characteristics

Imports

winmm

msvcrt

kernel32

user32

gdi32

advapi32

shell32

ole32

Sections

.text Size: 83KB - Virtual size: 82KB

.rdata Size: 23KB - Virtual size: 23KB

.data Size: 1024B - Virtual size: 3KB

.pdata Size: 3KB - Virtual size: 2KB

.rsrc Size: 3KB - Virtual size: 2KB

.text
Size: 83KB - Virtual size: 82KB

.rdata
Size: 23KB - Virtual size: 23KB

.data
Size: 1024B - Virtual size: 3KB

.pdata
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 3KB - Virtual size: 2KB