NSudo[.]exe | Triage

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General

Target

NSudo.exe
Size

174KB
MD5

423129ddb24fb923f35b2dd5787b13dd
SHA1

575e57080f33fa87a8d37953e973d20f5ad80cfd
SHA256

5094ad359d8cf6dc5324598605c35f68519cc5af9c7ed5427e02a6b28121e4c7
SHA512

d3f904c944281e9be9788acea9cd31f563c5a764e927bcda7bae6bedcc6ae550c0809e49fd2cf00d9e143281d08522a4f484acc8d90b37111e2c737e91ae21ce
SSDEEP

3072:XVLC09ymR7sITY17jR7h05cDnxngU9yInRU+Wi+StbaoJLQfo8BuA6N3ls:XT9yO7sITYNmYnbyInRU+Wi+StbaoJLR

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 x64 arch:x64

1188b455132bc86c7e9e68ae98ce4171

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

ExpandEnvironmentStringsW
GetModuleFileNameW
OpenProcess
CreateEventW
MultiByteToWideChar
GetTickCount64
LockResource
QueryPerformanceFrequency
FindResourceExW
LoadResource
GetProcAddress
VerSetConditionMask
FreeLibrary
SleepEx
GetFileInformationByHandleEx
QueryPerformanceCounter
LoadLibraryExW
GetModuleHandleExW
ExitProcess
Sleep
RtlUnwindEx
OutputDebugStringW
LoadLibraryExA
VirtualFree
VirtualAlloc
FlushInstructionCache
InterlockedPushEntrySList
InterlockedPopEntrySList
EncodePointer
InitializeSListHead
GetSystemTimeAsFileTime
GetStartupInfoW
IsDebuggerPresent
SizeofResource
GetLocalTime
GetCurrentProcessId
ResumeThread
WaitForSingleObjectEx
InitializeCriticalSection
GetCurrentProcess
SetPriorityClass
MulDiv
GetModuleHandleW
GetProcessHeap
DeleteCriticalSection
DecodePointer
HeapAlloc
RaiseException
CloseHandle
GetThreadUILanguage
GetLastError
GetCurrentThreadId
GetFileAttributesW
CreateFileW
InitializeCriticalSectionEx
LeaveCriticalSection
SetThreadUILanguage
GetCommandLineW
EnterCriticalSection
SetLastError
HeapFree
VerifyVersionInfoW
ReadFile
RtlCaptureContext
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
InitializeCriticalSectionAndSpinCount

user32

LoadImageW
DialogBoxParamW
EndDialog
SendMessageW
GetWindowTextW
EndPaint
BeginPaint
DrawIconEx
GetClientRect
LoadIconW
ChangeWindowMessageFilter
DestroyIcon
UnregisterClassW
SetWindowLongPtrW
MonitorFromWindow
GetDC
GetDlgItem
SetWindowTextW

gdi32

DeleteDC
GetDeviceCaps

comdlg32

GetOpenFileNameW

advapi32

AdjustTokenPrivileges
GetAce
CloseServiceHandle
OpenSCManagerW
AllocateAndInitializeSid
IsWellKnownSid
AddAce
CreateRestrictedToken
FreeSid
StartServiceW
InitializeAcl
OpenServiceW
GetLengthSid
AddAccessAllowedAce
QueryServiceStatusEx
LookupPrivilegeValueW
SetTokenInformation
OpenProcessToken
SetThreadToken
CreateProcessAsUserW
DuplicateTokenEx
GetTokenInformation

shell32

DragQueryFileW
DragFinish

ole32

CoInitializeEx

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

wtsapi32

WTSFreeMemory
WTSEnumerateProcessesW
WTSQueryUserToken
WTSEnumerateSessionsW

msvcrt

strcpy_s
__pctype_func
tolower
___mb_cur_max_func
wcsnlen
wcstol
_mbtowc_l
?terminate@@YAXXZ
__wgetmainargs
_msize
_XcptFilter
_errno
_wcmdln
?_set_new_mode@@YAHH@Z
_commode
___lc_codepage_func
realloc
ceil
log10
_clearfp
_set_fmode
_initterm_e
_initterm
_callnewh
memcpy
_wcsnicmp
malloc
free
strncmp
_wcsicmp
strrchr
__DestructExceptionObject
_amsg_exit
memmove
memset
__C_specific_handler
_CxxThrowException
wcsstr
wcsrchr
abort
__set_app_type
memcmp

Sections

.text
Size: 93KB - Virtual size: 93KB

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: 1024B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 288B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1188b455132bc86c7e9e68ae98ce4171

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

userenv

wtsapi32

msvcrt

Sections

.text Size: 93KB - Virtual size: 93KB

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

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

.pdata Size: 5KB - Virtual size: 4KB

.rsrc Size: 43KB - Virtual size: 43KB

.reloc Size: 512B - Virtual size: 288B

.text
Size: 93KB - Virtual size: 93KB

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

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

.pdata
Size: 5KB - Virtual size: 4KB

.rsrc
Size: 43KB - Virtual size: 43KB

.reloc
Size: 512B - Virtual size: 288B