Nezur[.]exe | Triage

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General

Target

Nezur.exe
Size

3.1MB
MD5

934028f83301e5a439bb0cc9b3283cbe
SHA1

b36a7111fa6f9aa47f35f7b3e41571b4fd554c0a
SHA256

bede42b3862c940a9add2a590b404c732a31ea4a03d4ad8bbb87ef0e4046d033
SHA512

843a4dd6ebae51940bb3e1fb06516e2060440d2053cafe7888a8a151e1e27e5d26f8b46114279248c9a0339706d6fea309d38d27bac8d46315144c2df751d704
SSDEEP

49152:Qx64BcuCee4ta8quGL6RP98E1PN9mdyIV/6xU/S7CQnfGTXbFNL3DUMuFA6MVdhG:WcRTgLPNBACN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Nezur.exe

Files

Nezur.exe
.exe windows:6 windows x64 arch:x64

d2870a36c3e067c19ddba702821a8fe4

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

PDB Paths

C:\Users\anshu\Downloads\tester\NEWWNEUZR\x64\Release\nezurV3.pdb

Imports

d3d11

D3D11CreateDeviceAndSwapChain

d3dcompiler_43

D3DCompile

kernel32

GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
GetCurrentProcess
GetSystemTimeAsFileTime
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
UnhandledExceptionFilter
SleepConditionVariableSRW
WakeAllConditionVariable
GetFileInformationByHandleEx
DeleteCriticalSection
SetFileInformationByHandle
GetFileAttributesExW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
GetLocaleInfoEx
GetEnvironmentVariableA
CreateFileMappingW
ReleaseSRWLockExclusive
WaitForSingleObjectEx
MoveFileExA
GetTickCount
VerifyVersionInfoA
GetSystemDirectoryA
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
VirtualProtect
InitializeCriticalSectionEx
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleFileNameW
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
GetConsoleWindow
QueryPerformanceCounter
FreeLibrary
VerSetConditionMask
QueryPerformanceFrequency
LoadLibraryA
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
MultiByteToWideChar
GetTempPathW
SetUnhandledExceptionFilter
GetCurrentProcessId
GetProcAddress
GetModuleHandleA
GetCurrentThreadId
VirtualAlloc
OutputDebugStringW
VirtualFree
lstrcmpiA
ReadProcessMemory
CloseHandle
Process32Next
Sleep
CreateToolhelp32Snapshot
OpenProcess
CreateFileW
DeviceIoControl
GetStdHandle
GetModuleFileNameA
UnmapViewOfFile
AcquireSRWLockExclusive
MapViewOfFile
WriteProcessMemory
Process32First
CreateThread
InitializeSListHead
AreFileApisANSI

user32

ClientToScreen
DefWindowProcA
TrackMouseEvent
SetCapture
SetCursor
GetClientRect
IsWindowUnicode
ReleaseCapture
SetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
GetCapture
MoveWindow
GetSystemMetrics
MonitorFromWindow
CreateWindowExA
LoadCursorA
GetKeyState
ScreenToClient
GetAsyncKeyState
GetForegroundWindow
ClipCursor
FindWindowA
GetCursorPos
SendInput
UpdateWindow
RegisterClassExA
GetMonitorInfoA
GetWindowLongA
SetWindowLongA
ShowWindow
UnregisterClassW
DestroyWindow
GetWindowRect
DispatchMessageA
SetLayeredWindowAttributes
PostQuitMessage
PeekMessageA
LoadIconA
TranslateMessage
SetClipboardData
MessageBoxA

gdi32

CreateSolidBrush

advapi32

CryptDestroyKey
RegCreateKeyW
RegDeleteTreeW
RegCloseKey
RegSetKeyValueW
RegOpenKeyExA
RegQueryInfoKeyA
RegSetValueExA
RegQueryValueExA
RegGetValueA
OpenProcessToken
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
CryptEncrypt
CryptImportKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
RegOpenKeyW

shell32

ShellExecuteW
ShellExecuteA
SHGetFolderPathA

msvcp140

?_Syserror_map@std@@YAPEBDH@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??Bios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?good@ios_base@std@@QEBA_NXZ
_Strxfrm
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Xinvalid_argument@std@@YAXPEBD@Z
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
_Strcoll
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
?tolower@?$ctype@D@std@@QEBADD@Z
??1facet@locale@std@@MEAA@XZ
??0facet@locale@std@@IEAA@_K@Z
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UEAAXXZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
??1_Locinfo@std@@QEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??7ios_base@std@@QEBA_NXZ
?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@M@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEA_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAM@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xbad_function_call@std@@YAXXZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Xlength_error@std@@YAXPEBD@Z
_Thrd_detach
_Query_perf_counter
_Cnd_do_broadcast_at_thread_exit
?_Random_device@std@@YAIXZ
?_Throw_Cpp_error@std@@YAXH@Z
_Query_perf_frequency
_Thrd_yield
?id@?$collate@D@std@@2V0locale@2@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A

ntdll

RtlCaptureContext
RtlInitUnicodeString
NtQuerySystemInformation
RtlLookupFunctionEntry
RtlVirtualUnwind

imm32

ImmReleaseContext
ImmSetCandidateWindow
ImmGetContext
ImmSetCompositionWindow

dwmapi

DwmExtendFrameIntoClientArea

normaliz

IdnToAscii

wldap32

ord79
ord200
ord301
ord143
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord46
ord30
ord217

crypt32

CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertCloseStore
CertEnumCertificatesInStore
CertGetCertificateChain
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertFindCertificateInStore
CertFreeCertificateChain
CertGetNameStringA
CertOpenStore

ws2_32

ntohl
gethostname
sendto
recvfrom
__WSAFDIsSet
bind
WSAGetLastError
send
recv
closesocket
freeaddrinfo
ioctlsocket
listen
htonl
getaddrinfo
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
select
getsockopt
getsockname
connect
getpeername

shlwapi

PathFindFileNameW

rpcrt4

UuidCreate
RpcStringFreeA
UuidToStringA

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_exception_destroy
__current_exception_context
__current_exception
strrchr
memset
memmove
memcpy
memcmp
memchr
_CxxThrowException
strstr
__C_specific_handler
wcsstr
strchr
__std_exception_copy
__std_terminate

api-ms-win-crt-runtime-l1-1-0

_beginthreadex
system
exit
_getpid
terminate
_exit
strerror
abort
_invalid_parameter_noinfo_noreturn
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_resetstkoflw
_get_initial_narrow_environment
_initterm
_initterm_e
__sys_nerr
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_invalid_parameter_noinfo
_errno

api-ms-win-crt-stdio-l1-1-0

_read
_write
__p__commode
fflush
_close
_open
fopen
fputc
fclose
fgetc
_popen
_pclose
fwrite
fgetpos
setvbuf
fputs
fgets
_lseeki64
ungetc
fsetpos
fread
__stdio_common_vsscanf
_wfopen
_fseeki64
_get_stream_buffer_pointers
__stdio_common_vfprintf
fseek
__acrt_iob_func
ftell
__stdio_common_vsprintf
__stdio_common_vsprintf_s
_set_fmode
feof

api-ms-win-crt-heap-l1-1-0

realloc
calloc
_set_new_mode
_callnewh
malloc
free

api-ms-win-crt-filesystem-l1-1-0

_lock_file
_wremove
_access
_unlink
_stat64
_fstat64
_unlock_file

api-ms-win-crt-convert-l1-1-0

atof
strtoul
strtod
strtoll
strtol
strtoull
atoi

api-ms-win-crt-utility-l1-1-0

qsort
rand
srand

api-ms-win-crt-string-l1-1-0

strcmp
isspace
strcspn
strspn
strpbrk
strncmp
tolower
isupper
_strdup
strncpy
_stricmp

api-ms-win-crt-time-l1-1-0

strftime
_localtime64
_gmtime64
_time64

api-ms-win-crt-math-l1-1-0

powf
sqrt
cosf
_dclass
ceilf
atan2f
_dsign
sinf
__setusermatherr
roundf
pow
acosf
fmodf
sqrtf

api-ms-win-crt-locale-l1-1-0

localeconv
___lc_codepage_func
_configthreadlocale

api-ms-win-crt-environment-l1-1-0

getenv

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 221KB - Virtual size: 221KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 176KB - Virtual size: 176KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d2870a36c3e067c19ddba702821a8fe4

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

d3d11

d3dcompiler_43

kernel32

user32

gdi32

advapi32

shell32

msvcp140

ntdll

imm32

dwmapi

normaliz

wldap32

crypt32

ws2_32

shlwapi

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-environment-l1-1-0

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.rdata Size: 221KB - Virtual size: 221KB

.data Size: 1.3MB - Virtual size: 1.3MB

.pdata Size: 40KB - Virtual size: 39KB

.rsrc Size: 176KB - Virtual size: 176KB

.reloc Size: 2KB - Virtual size: 2KB

.text
Size: 1.4MB - Virtual size: 1.4MB

.rdata
Size: 221KB - Virtual size: 221KB

.data
Size: 1.3MB - Virtual size: 1.3MB

.pdata
Size: 40KB - Virtual size: 39KB

.rsrc
Size: 176KB - Virtual size: 176KB

.reloc
Size: 2KB - Virtual size: 2KB