Nezur (1).zip
- SHA256 b21f293030df8c3706f999d014d0e31c7673e07dd45e813e23ce80c606bd74cc
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win7-20231215-en
windows7-x64
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
Nezur.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
11 signatures
150 seconds
Behavioral task
behavioral3
Sample
lua51.dll
Resource
win7-20231215-en
windows7-x64
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
lua51.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral5
Sample
start.bat
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral6
Sample
start.bat
Resource
win10v2004-20231222-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target Nezur (1).zip
- Size 477KB
- Sample240214-drczaafe3s
- SHA256 b21f293030df8c3706f999d014d0e31c7673e07dd45e813e23ce80c606bd74cc
- MD5 299ae221cfd986385576228b45c3e076
- SHA1 6b533e1fe33d7e67bbe58c64997a81c49308e9a4
- SHA512 36732d46253feba81fed54fd7d0317ea2c8cb76306ba03f5d8c452d262d07c850c3c5d38e53c3ef01010e83918ea987258e4b15674f84cfba39db80105206efe
- SSDEEP 12288:eiN+cU0Yz3jBL75xwc4XscIFl4zA6fzvBLLkwRy:RKjRdxwr81FlQxfDxLkd
- MD5 SHA1 SHA512 SSDEEP
Score
3/10
Malware Config
Signatures
- Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Nezur.exe unpack001/lua51.dll
File Explorer
-
Nezur (1).zip.zip 477KB
-
Nezur.exe.exe 89KB
-
README.txt928B
-
auto_load.txt187KB
-
configs/autosave.cfg916B
-
lua51.dll.dll 592KB
-
start.bat.bat .vbs 548B
Nezur.exe
- IMPHASH d0264e200554ef617c521261fe8fe2a4
- SHA256 1cf20b8449ea84c684822a5e8ab3672213072db8267061537d1ce4ec2c30c42a
- MD5 dd98a43cb27efd5bcc29efb23fdd6ca5
- SHA1 38f621f3f0df5764938015b56ecfa54948dde8f5
- SHA512 871a2079892b1eb54cb761aebd500ac8da96489c3071c32a3dab00200f74f4e12b9ab6c62623c53aea5b8be3fc031fb1b3e628ffe15d73323d917083240742b0
- SSDEEP 1536:Ee7h7q/J6K3nHC+AGUob2f0DBFPbPWNPWp350NHcHkDsWqxcd2ZPSAv:Ee7oU8HC+AGUu2abPbPWQpO8E0A2tSAv
- MD5 SHA1 SHA512 SSDEEP
-
Unsigned PE
Checks for missing Authenticode signature.
Minor OS version
0
Major OS version
6
Entry point
10187
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_CUI
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
PDB paths
lua51
lua_gettop
luaJIT_version_2_1_0_beta3
luaL_openlibs
luaL_traceback
luaL_newstate
luaL_loadbuffer
luaL_loadfile
luaL_where
luaL_callmeta
lua_sethook
lua_concat
lua_error
lua_gc
lua_cpcall
lua_pcall
lua_call
lua_rawseti
lua_setfield
lua_createtable
lua_rawgeti
lua_getfield
lua_gettable
lua_pushboolean
lua_pushcclosure
lua_pushfstring
lua_pushstring
lua_pushlstring
lua_pushnil
lua_objlen
lua_tolstring
lua_toboolean
lua_type
lua_isstring
lua_insert
lua_remove
lua_pushvalue
lua_settop
lua_close
kernel32
TlsAlloc
DecodePointer
ReadConsoleW
ReadFile
WriteConsoleW
CreateFileW
CloseHandle
HeapReAlloc
HeapSize
SetFilePointerEx
GetProcessHeap
GetStringTypeW
SetStdHandle
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
FindClose
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetFileType
LCMapStringW
CompareStringW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
RaiseException
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
SetConsoleCtrlHandler
GetStdHandle
WriteFile
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
Name
.text
Size
57KB
Virtual Size
56KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.rdata
Size
24KB
Virtual Size
23KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.data
Size
2KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.reloc
Size
4KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
generic
count=10, id=259, version=25203,
count=139, id=261, version=25203,
count=18, id=260, version=25203,
count=2, id=257, version=25203,
count=18, id=259, version=25810,
count=29, id=261, version=25810,
count=17, id=260, version=25810,
count=3, id=257, productName=VS2017 v15.5.4 build 25834, version=25834,
count=122, id=1, productName=Unmarked objects,
count=1, id=260, productName=VS2017 v15.5.4 build 25834, version=25834,
count=1, id=258, productName=VS2017 v15.5.4 build 25834, version=25834,
README.txt
- SHA256 dc45080b1009ad874227ef73d1cadfc8ee13eb9778d49830da102af248b6f067
- MD5 4a696fefeef0bae73a3358e7bba47413
- SHA1 da4ba272db35131c93af20d019d10502c80485a5
- SHA512 5be178f006d42816b2c5ef237bdc117058d624561318393e4e75ec36e12c2349e8fb8f3c0a9bcefd78891b0cbb4e57a8e27542b79af6af474b40a5a2b1c06382
- MD5 SHA1 SHA512
auto_load.txt
- SHA256 cf63912c3b3ccfacd48e8c35fc5fdd401135e6d56978fc0012ce86b0a4a81e0f
- MD5 1e6b9406fd84312cb2bbd29293f1a344
- SHA1 543a81b1e1934c1cf0232a20869c428727a25454
- SHA512 a977e8e98734da9624c92ce2bd2ae3b2f3d3b910a961339aa223a00828536e979b8b6b603ddf7952e2625b1ae26d1e2931aa4c6dfa47de9908b536780d06767f
- SSDEEP 3072:q2L5e0kaEmW57RygMEAm73Gut+rA9b6/uh58tR+gbT71BcTEtYZK:p5V05NyREAm73yrAdj8//1OGYZK
- MD5 SHA1 SHA512 SSDEEP
configs/autosave.cfg
- SHA256 c029522bb51f2eea602e3818be4b495282cc2d8da92421f8bf3ced7dc46098bd
- MD5 024ab27dfe02dbcd5357528ac4dbe028
- SHA1 2f2b7df7b4557e274d4255cebd65d6d7c125cf95
- SHA512 f87d48447e5663be7e63f7f7934d33c795f2201acc753720bbf77af49cf8ab44b6f9618a2a22dd8f08a5d67424ca0c7c566b15b3f172edc34af4b29a23b5d137
- MD5 SHA1 SHA512
lua51.dll
- IMPHASH 9466a71df1d3a59794f8605626534abe
- SHA256 ff976f6e965e3793e278fa9bf5e80b9b226a0b3932b9da764bffc8e41e6cdb60
- MD5 3dff7448b43fcfb4dc65e0040b0ffb88
- SHA1 583cdab08519d99f49234965ffd07688ccf52c56
- SHA512 cdcbe0ec9ddd6b605161e3c30ce3de721f1333fce85985e88928086b1578435dc67373c3dc3492ed8eae0d63987cac633aa4099b205989dcbb91cbbfc8f6a394
- SSDEEP 12288:rs7/mj/73RaLHIW5BmUeUhoE4RgiF1q1bPIBKsg4Db0S:rc/u/7IoRnUKfq1Dl4DY
- MD5 SHA1 SHA512 SSDEEP
-
Unsigned PE
Checks for missing Authenticode signature.
Minor OS version
0
Major OS version
6
Entry point
343186
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
PDB paths
kernel32
GetLastError
SetLastError
VirtualAlloc
VirtualFree
VirtualQuery
VirtualProtect
FreeLibrary
GetModuleHandleExA
GetProcAddress
LoadLibraryExA
FormatMessageA
RaiseException
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
WaitForSingleObject
Sleep
CreateThread
RtlUnwind
GetModuleFileNameA
GetModuleHandleA
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
SetEndOfFile
InterlockedFlushSList
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
ExitProcess
GetModuleHandleExW
ReadFile
CloseHandle
DuplicateHandle
CreateProcessA
GetTempPathW
QueryPerformanceFrequency
MultiByteToWideChar
WideCharToMultiByte
HeapFree
HeapAlloc
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
GetStdHandle
GetFileType
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadConsoleW
DecodePointer
GetACP
SetFilePointerEx
GetExitCodeProcess
GetFileAttributesExW
CreatePipe
CreateFileW
GetTimeZoneInformation
DeleteFileW
MoveFileExW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetProcessHeap
SetStdHandle
GetStringTypeW
HeapSize
HeapReAlloc
WriteConsoleW
luaJIT_profile_dumpstack
luaJIT_profile_start
luaJIT_profile_stop
luaJIT_setmode
luaJIT_version_2_1_0_beta3
luaL_addlstring
luaL_addstring
luaL_addvalue
luaL_argerror
luaL_buffinit
luaL_callmeta
luaL_checkany
luaL_checkinteger
luaL_checklstring
luaL_checknumber
luaL_checkoption
luaL_checkstack
luaL_checktype
luaL_checkudata
luaL_error
luaL_execresult
luaL_fileresult
luaL_findtable
luaL_getmetafield
luaL_gsub
luaL_loadbuffer
luaL_loadbufferx
luaL_loadfile
luaL_loadfilex
luaL_loadstring
luaL_newmetatable
luaL_newstate
luaL_openlib
luaL_openlibs
luaL_optinteger
luaL_optlstring
luaL_optnumber
luaL_prepbuffer
luaL_pushmodule
luaL_pushresult
luaL_ref
luaL_register
luaL_setfuncs
luaL_setmetatable
luaL_testudata
luaL_traceback
luaL_typerror
luaL_unref
luaL_where
lua_atpanic
lua_call
lua_checkstack
lua_close
lua_concat
lua_copy
lua_cpcall
lua_createtable
lua_dump
lua_equal
lua_error
lua_gc
lua_getallocf
lua_getfenv
lua_getfield
lua_gethook
lua_gethookcount
lua_gethookmask
lua_getinfo
lua_getlocal
lua_getmetatable
lua_getstack
lua_gettable
lua_gettop
lua_getupvalue
lua_insert
lua_iscfunction
lua_isnumber
lua_isstring
lua_isuserdata
lua_isyieldable
lua_lessthan
lua_load
lua_loadx
lua_newstate
lua_newthread
lua_newuserdata
lua_next
lua_objlen
lua_pcall
lua_pushboolean
lua_pushcclosure
lua_pushfstring
lua_pushinteger
lua_pushlightuserdata
lua_pushlstring
lua_pushnil
lua_pushnumber
lua_pushstring
lua_pushthread
lua_pushvalue
lua_pushvfstring
lua_rawequal
lua_rawget
lua_rawgeti
lua_rawset
lua_rawseti
lua_remove
lua_replace
lua_resume
lua_setallocf
lua_setfenv
lua_setfield
lua_sethook
lua_setlocal
lua_setmetatable
lua_settable
lua_settop
lua_setupvalue
lua_status
lua_toboolean
lua_tocfunction
lua_tointeger
lua_tointegerx
lua_tolstring
lua_tonumber
lua_tonumberx
lua_topointer
lua_tothread
lua_touserdata
lua_type
lua_typename
lua_upvalueid
lua_upvaluejoin
lua_version
lua_xmove
lua_yield
luaopen_base
luaopen_bit
luaopen_debug
luaopen_ffi
luaopen_io
luaopen_jit
luaopen_math
luaopen_os
luaopen_package
luaopen_string
luaopen_table
Name
.text
Size
479KB
Virtual Size
478KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.rdata
Size
96KB
Virtual Size
96KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.data
Size
3KB
Virtual Size
5KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.reloc
Size
12KB
Virtual Size
12KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
generic
count=60, id=259, version=25203,
count=195, id=261, version=25203,
count=26, id=260, version=25203,
count=3, id=257, version=25203,
count=108, id=1, productName=Unmarked objects,
count=25, id=259, version=25810,
count=23, id=261, version=25810,
count=16, id=260, version=25810,
count=1, productName=Unmarked objects (old),
count=65, id=260, productName=VS2017 v15.5.4 build 25834, version=25834,
count=1, id=256, productName=VS2017 v15.5.4 build 25834, version=25834,
count=1, id=258, productName=VS2017 v15.5.4 build 25834, version=25834,
start.bat
- SHA256 cab7b8973dd5f7252af6a1a080deec442acd1e6bdd6c7476bd73e39553751222
- MD5 12c37bf6537bfdf93b80c31f6d1391b2
- SHA1 43df564e4988008f3e97167837f58f1452cf3d13
- SHA512 c59645da2377ec2eb8c4ca75174379134dc657741ee324fc6fd38170b9704852bf136a919fe0363ea85befe61e8838ef74dad07e365392d8f8f6462bb1ba75f9
- MD5 SHA1 SHA512