NezurV2[.]exe | Triage

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General

Target

NezurV2.exe
Size

1.1MB
MD5

68fbcd776a04d5401518c8b11c2d77c1
SHA1

158b9c2de31796186583ca00474f3a145018b0df
SHA256

57884fc3a4f5bb885a021720c0422fd4660867b0031b4bac4dfdebbd5d5817f3
SHA512

1b589cc6e0bc4a9e60c4003b9f3fa0133206be447bf91f8cb26c50f4c1112b0584baa6b877a7b7b340d33ed7fb55544c43bd9e794587b2485dac41801276f447
SSDEEP

24576:DQnErQdkgzwBgskC7MNM0ad37dPmUIgi7y5D3gPH2EF0R2D5+YlNFklyp+lf:AdQl5f5DZlYbulAWf

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NezurV2.exe

Files

NezurV2.exe
.exe windows:6 windows x64 arch:x64

a359b57651916a2de9e31ebb5606f9c3

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\Desktop\NezurV2\build\NezurV2.pdb

Imports

kernel32

CreateToolhelp32Snapshot
Process32Next
CloseHandle
GetCurrentProcessId
GetModuleFileNameA
GetFileAttributesExA
SetLastError
VirtualFree
VirtualAlloc
GetCurrentThreadId
GetModuleHandleA
OpenProcess
GetLastError
GetModuleHandleW
LoadLibraryA
DeleteFileA
GetProcAddress
CreateDirectoryA
CreateFileW
QueryPerformanceCounter
GetSystemTimeAsFileTime
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
InitializeSListHead
ReleaseSRWLockExclusive
DeviceIoControl
Process32First
IsProcessorFeaturePresent
IsDebuggerPresent
GetTempPathW
CreateFileA
GetCurrentProcess

user32

GetShellWindow
GetWindowThreadProcessId

advapi32

RegSetKeyValueW
RegCloseKey
RegDeleteTreeW
RegCreateKeyW
RegOpenKeyW

ole32

StringFromGUID2

msvcp140

?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bios_base@std@@QEBA_NXZ
??7ios_base@std@@QEBA_NXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?good@ios_base@std@@QEBA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Xlength_error@std@@YAXPEBD@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?uncaught_exceptions@std@@YAHXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z

ntdll

RtlVirtualUnwind
RtlLookupFunctionEntry
NtQuerySystemInformation
RtlInitUnicodeString
RtlCaptureContext

dbghelp

SymCleanup
SymSetOptions
SymInitialize
SymUnloadModule64
SymFromName
SymLoadModuleEx

urlmon

URLDownloadToFileA

shlwapi

PathFileExistsA
PathRemoveFileSpecA

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
__std_exception_copy
__std_terminate
__C_specific_handler
wcsstr
memset
_CxxThrowException
__std_exception_destroy
__current_exception
memmove
memcmp
memcpy

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

_get_stream_buffer_pointers
_set_fmode
_fseeki64
fread
fsetpos
__acrt_iob_func
ungetc
__stdio_common_vfprintf
__p__commode
fflush
setvbuf
fgetpos
__stdio_common_vsprintf
fwrite
fputc
fgetc
fclose

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

terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment
_configure_narrow_argv
_cexit
_seh_filter_exe
_register_thread_local_exe_atexit_callback
_set_app_type
_get_initial_narrow_environment
exit
_initterm
_initterm_e
_exit
_c_exit
__p___argv
__p___argc

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

_itoa_s
wcstombs_s

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

rand
srand

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

_unlock_file
_lock_file
_wremove

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

_stricmp

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

_time64

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

free
_set_new_mode
_callnewh
malloc

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

_dupenv_s

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 128KB - Virtual size: 127KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 54KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 942KB - Virtual size: 944KB

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: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 360B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a359b57651916a2de9e31ebb5606f9c3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

ole32

msvcp140

ntdll

dbghelp

urlmon

shlwapi

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: 128KB - Virtual size: 127KB

.rdata Size: 54KB - Virtual size: 54KB

.data Size: 942KB - Virtual size: 944KB

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

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 360B

.text
Size: 128KB - Virtual size: 127KB

.rdata
Size: 54KB - Virtual size: 54KB

.data
Size: 942KB - Virtual size: 944KB

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

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 360B