z-loops.zip
- SHA256 f5805b4416e24896745a81f7dae1484b58b65211c68572014cd82f71f39ba635
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Application.cmd
Resource
win10v2004-20260513-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
Application.cmd
Resource
win11-20260513-en
windows11-21h2-x64
2 signatures
150 seconds
Behavioral task
behavioral3
Sample
lua51.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral4
Sample
lua51.dll
Resource
win11-20260513-en
windows11-21h2-x64
0 signatures
150 seconds
Behavioral task
behavioral5
Sample
luajit.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
0 signatures
150 seconds
Behavioral task
behavioral6
Sample
luajit.exe
Resource
win11-20260513-en
windows11-21h2-x64
0 signatures
150 seconds
General
- Target z-loops.zip
- Size 1.3MB
- Sample260602-pdvsqady6k
- SHA256 f5805b4416e24896745a81f7dae1484b58b65211c68572014cd82f71f39ba635
- MD5 96786d469426a49bcdd31eb0037126e3
- SHA1 54593bdbfa4ee34c063f499d367ba25f433aff66
- SHA512 2308013291d710567c55836276c60b5afa292f02124ad76258563ea1312b348a22ed560285a3591e5afa5a5ab0170bf33e5048ebcfc086167a1ad0b2a18d7e5e
- SSDEEP 24576:2PTJsZg557oZjxbq9j8XJlqrGAuImQIMESQ+hcqMXHC0Clwi6/CttWaRv:2bJZ57oZ9bq+MmMEL+hcjXHC/wnwdv
- TLSH T15455338AC17C1CC49F3E0A9379FF555CA2248EFC200208636B6A59A7253E74FC7B595A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/lua51.dll unpack001/luajit.exe
File Explorer
-
z-loops.zip.zip 1.3MB
-
Application.cmd114B
-
jit.txt321KB
-
lua51.dll.dll 3.4MB
-
luajit.exe.exe 98KB
Application.cmd
- SHA256 19908117b6fb4b4ebc9889ffe94a7d66b1c25fb72504e190519dcca6e2dec8cf
- MD5 7708bfe54aaffc62eb187f023558c361
- SHA1 b1ba5a7b33834bd68f84795530a7215f602ba6be
- SHA512 885098d20958df36b7f22c2d8a0f61df16ed4a75e3534ef9b275dd1e2ab03af1f035713b9495870adc6bd1dd3050d779502a73f774009faec1ad1d261140998c
- MD5 SHA1 SHA512
jit.txt
- SHA256 50a28464fd2471d847ae33eebb474210fdd77f314fe18ec5c5f4bf3f3849aaa2
- MD5 0ef301f507b05aa513b5c10322384def
- SHA1 b26a02513f38765d2a34e31c9f3e81eee64969c4
- SHA512 1a1f1e4202036a216385d16eb2099ee9c81ad32437837f5f09527b8c2bf16956344d3d6e30f053b04ad4c7b55e501b2167d2eab9ce3dce7145aea1bb4d39200e
- SSDEEP 6144:aG7/9jojDwb4O2nBiu3DW4hLTnavujnkKUxP:aG7/9QwfdCBaGbA
- TLSH T12E64A5F5A04808F155FB85E5DCAF9F8B927AC2E8430E63470FADE565F1201A2D7E9807
- MD5 SHA1 SHA512 SSDEEP TLSH
lua51.dll
- IMPHASH 001a7ab2af9fb4aca15e290f1762889c
- SHA256 c7a657af5455812fb215a8888b7e3fd8fa1ba27672a3ed9021eb6004eff271ac
- MD5 4ebd617a3ad9a9619172bd14a902a400
- SHA1 270f66d2c84ee86ff4b07c6220c51abd4897b5f0
- SHA512 b008a00d7e57ef4786b14f28aee3880318820dd85d66539263a3f68b547e89bce8db32ad422d4eae6795219ec3ddcd72e7780aed9e725ed3c171d11492e47571
- SSDEEP 24576:QXEeYq+Fjb1h2Ac9qJqvqj+OhbaijGPDX732ywPKpQlABQFi8ePj40RvzinxO4xS:EEDv/2Ac9qB+OR4n3xBQKvjGQe11Fgl
- TLSH T129F54B49A7D1995AF112C2708E9B4375372BE410333B9FE76F8AE2203CD7AD8DD95602
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Unsigned PE
Checks for missing Authenticode signature.
Minor OS version
0
Major OS version
4
Entry point
4912
Magic Number
523
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_CUI
DLL Characteristics
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB paths
kernel32
CreateThread
DeleteCriticalSection
EnterCriticalSection
FormatMessageA
FreeLibrary
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleExA
GetProcAddress
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryExA
QueryPerformanceCounter
RaiseException
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlRestoreContext
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
msvcrt
__DestructExceptionObject
__doserrno
__iob_func
__pioinfo
__setusermatherr
_amsg_exit
_errno
_filelengthi64
_fileno
_fmode
_getpid
_gmtime64
_initterm
_localtime64
_lock
_lseeki64
_mktime64
_pclose
_popen
_time64
_unlock
_write
abort
acos
asin
atan
calloc
clearerr
clock
cosh
exit
fclose
feof
ferror
fflush
fgetpos
fgets
fopen
fprintf
fputc
fputs
fread
free
frexp
fscanf
fsetpos
fwrite
getc
getenv
log10
memchr
memcmp
memcpy
memmove
memset
putchar
rand
realloc
remove
rename
setlocale
setvbuf
signal
sinh
srand
strchr
strcmp
strcpy
strerror
strftime
strlen
strncmp
strncpy
strrchr
strstr
strtoul
system
tan
tanh
tmpfile
tmpnam
ungetc
vfprintf
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_getexdata
lua_getexdata2
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_resetthread
lua_resume
lua_setallocf
lua_setexdata
lua_setexdata2
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_string_buffer
luaopen_table
Name
.text
Size
409KB
Virtual Size
409KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.data
Size
512B
Virtual Size
208B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.rdata
Size
34KB
Virtual Size
33KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.pdata
Size
16KB
Virtual Size
15KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.xdata
Size
15KB
Virtual Size
14KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.bss
Size
Virtual Size
2KB
Characteristics
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.edata
Size
4KB
Virtual Size
3KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.idata
Size
4KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.CRT
Size
512B
Virtual Size
88B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.tls
Size
512B
Virtual Size
16B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.reloc
Size
1KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/4
Size
512B
Virtual Size
192B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/19
Size
798KB
Virtual Size
798KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/31
Size
5KB
Virtual Size
4KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/45
Size
392KB
Virtual Size
392KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/57
Size
77KB
Virtual Size
76KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/70
Size
3KB
Virtual Size
2KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/81
Size
1.3MB
Virtual Size
1.3MB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/92
Size
275KB
Virtual Size
274KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
generic
luajit.exe
- IMPHASH ca133c207212c838a3a82165f2421166
- SHA256 5343326fb0b4f79c32276f08ffcc36bd88cde23aa19962bd1e8d8b80f5d33953
- MD5 00f60ee3ff2dee681b5d7d442009b2c2
- SHA1 f5199b4191add11d02d58f521cbea21465b7ff6b
- SHA512 6e3754ec8596f3aaed92387c5bd56ee9d65fe54af6f44d2bc89b4df0f670e379137bc5eca5ba8aceb030bd4b45970b3c01f2132d1eef53f5070f9af4d4246562
- SSDEEP 1536:mmNzk2shF9CXUatIEqTIm4gKN2PwJy4wMUFA8:mmVvtQTKN64wHK8
- TLSH T1A9A3B5CBB6A44DAAF740423C80E6D321613FF6F0A6131B576A3476312F52B916DCB16E
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Unsigned PE
Checks for missing Authenticode signature.
Minor OS version
0
Major OS version
4
Entry point
5344
Magic Number
523
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_CUI
DLL Characteristics
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB paths
lua51
luaJIT_version_2_1_0_beta3
luaL_callmeta
luaL_loadbuffer
luaL_loadfile
luaL_newstate
luaL_openlibs
luaL_traceback
luaL_where
lua_call
lua_close
lua_concat
lua_cpcall
lua_createtable
lua_error
lua_gc
lua_getfield
lua_gettable
lua_gettop
lua_insert
lua_isstring
lua_objlen
lua_pcall
lua_pushboolean
lua_pushcclosure
lua_pushfstring
lua_pushlstring
lua_pushnil
lua_pushstring
lua_pushvalue
lua_rawgeti
lua_rawseti
lua_remove
lua_setfield
lua_sethook
lua_settop
lua_toboolean
lua_tolstring
lua_type
kernel32
DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetStartupInfoA
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
LeaveCriticalSection
QueryPerformanceCounter
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
msvcrt
__C_specific_handler
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_fileno
_fmode
_initterm
_isatty
_onexit
abort
calloc
exit
fflush
fgets
fprintf
fputc
fputs
free
fwrite
getenv
malloc
memcpy
putc
signal
strchr
strlen
strncmp
strstr
vfprintf
Name
.text
Size
13KB
Virtual Size
12KB
Characteristics
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
Name
.data
Size
512B
Virtual Size
224B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.rdata
Size
2KB
Virtual Size
2KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.pdata
Size
1024B
Virtual Size
816B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.xdata
Size
1024B
Virtual Size
716B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Name
.bss
Size
Virtual Size
2KB
Characteristics
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.idata
Size
4KB
Virtual Size
3KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.CRT
Size
512B
Virtual Size
104B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
.tls
Size
512B
Virtual Size
16B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Name
/4
Size
512B
Virtual Size
144B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/19
Size
20KB
Virtual Size
19KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/31
Size
2KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/45
Size
4KB
Virtual Size
3KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/57
Size
1KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/70
Size
1024B
Virtual Size
701B
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/81
Size
9KB
Virtual Size
9KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Name
/92
Size
1KB
Virtual Size
1KB
Characteristics
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ