NSudo[.]exe | Triage

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General

Target

NSudo.exe
Size

189KB
MD5

8dc18db9c1b7e8391ec2dce8cfb5c0ad
SHA1

b358ca0761db8fd4d5528b73b29eb81bd4bf2cfb
SHA256

96adb66c23bcaa5feb5c480fc18ea9de22f09a0b1d69969d5d6ae9e389e22e6d
SHA512

e2e3e4666dc34e7e7c4e0764eeb1fc1c411a791bb1689939b0ed971da4c8a9f5878186c0550f2cb3b0631ac85fa3fe790c629dae4bc8ecbf7c0aaede22bede9f
SSDEEP

3072:BWUkEVt3P8z2iJk9abAnCcOETyY2Hdxkq:nkapPziUaIbe9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NSudo.exe

Files

NSudo.exe
.exe windows:6 windows x86 arch:x86

255e3e7c913659a5e1ed969bf77f430d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

DeleteCriticalSection
WaitForSingleObjectEx
GetCurrentProcess
GetCurrentThreadId
ResumeThread
SetPriorityClass
OpenProcess
FreeLibrary
LoadLibraryW
MulDiv
CopyFileW
MoveFileExW
InitializeCriticalSectionEx
TerminateProcess
LoadLibraryExA
VirtualFree
VirtualAlloc
FlushInstructionCache
InterlockedPushEntrySList
InterlockedPopEntrySList
GetProcessHeap
HeapFree
HeapAlloc
OutputDebugStringW
InitializeSListHead
EnterCriticalSection
LeaveCriticalSection
DecodePointer
RaiseException
SetFileAttributesW
GetFileAttributesW
DeleteFileW
ExpandEnvironmentStringsW
GetCommandLineW
SizeofResource
LockResource
LoadResource
FindResourceExW
GetSystemWindowsDirectoryW
SleepEx
SetLastError
CloseHandle
VerifyVersionInfoW
GetModuleHandleW
VerSetConditionMask
MultiByteToWideChar
GetProcAddress
GetModuleFileNameW
GetTickCount64
QueryPerformanceCounter
GetLastError
GetSystemTimeAsFileTime
GetCurrentProcessId
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
EncodePointer
InitOnceExecuteOnce

user32

EndPaint
GetWindowTextW
GetClientRect
BeginPaint
LoadImageW
MonitorFromWindow
ChangeWindowMessageFilter
GetDC
SetWindowLongW
UnregisterClassW
DialogBoxParamW
SendMessageW
SetWindowTextW
DrawIconEx
EndDialog
GetDlgItem

gdi32

GetDeviceCaps

comdlg32

GetOpenFileNameW

advapi32

RegDeleteTreeW
RegSetValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
SetTokenInformation
RevertToSelf
InitializeAcl
GetTokenInformation
GetLengthSid
GetAce
FreeSid
EqualSid
DuplicateTokenEx
CreateRestrictedToken
AllocateAndInitializeSid
AdjustTokenPrivileges
AddAce
AddAccessAllowedAce
OpenProcessToken
SetThreadToken
CreateProcessAsUserW
StartServiceW
QueryServiceStatusEx
OpenServiceW
OpenSCManagerW
CloseServiceHandle

shell32

DragQueryFileW
DragFinish

ole32

CoInitializeEx

wtsapi32

WTSQueryUserToken
WTSFreeMemory
WTSEnumerateProcessesW

userenv

DestroyEnvironmentBlock
CreateEnvironmentBlock

msvcrt

abort
fseek
_wfsopen
setlocale
??3@YAXPAX@Z
_cexit
??0exception@@QAE@ABQBD@Z
localeconv
_initterm
??2@YAPAXI@Z
exit
_exit
_set_fmode
_c_exit
__p__commode
_except_handler4_common
__wgetmainargs
atexit
_controlfp_s
fputc
_wcmdln
_lock
_unlock
__dllonexit
?terminate@@YAXXZ
_strtoi64
_strtoui64
??0exception@@QAE@XZ
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
_XcptFilter
fgetpos
ungetc
setvbuf
fwrite
_initterm_e
_fseeki64
fsetpos
__setusermatherr
fgetc
fflush
fclose
strtod
malloc
free
_wcsicmp
fread
wcsrchr
_errno
??_V@YAXPAX@Z
__CxxFrameHandler3
_CxxThrowException
_wcsnicmp
wcslen
wcsstr
memset
_iob
_vsnprintf
__set_app_type
memmove
memcpy
memcmp

msvcp60

_Tolower
_Toupper
_Getctype

Sections

.text
Size: 81KB - Virtual size: 81KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

255e3e7c913659a5e1ed969bf77f430d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

wtsapi32

userenv

msvcrt

msvcp60

Sections

.text Size: 81KB - Virtual size: 81KB

.rdata Size: 29KB - Virtual size: 29KB

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

.rsrc Size: 69KB - Virtual size: 68KB

.reloc Size: 5KB - Virtual size: 5KB

.text
Size: 81KB - Virtual size: 81KB

.rdata
Size: 29KB - Virtual size: 29KB

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

.rsrc
Size: 69KB - Virtual size: 68KB

.reloc
Size: 5KB - Virtual size: 5KB