juko | 2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry

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General

Target
2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry
Size 200KB
Sample261023-xc5wasds51
SHA256 443d88f07bf96e5b2fa534eb0574dcdbb055c4f52543f5fb703d9a7782d0ca44
MD5 d50e58cb6c2a8aeae60be9cba9bf012a
SHA1 56b389e0d05d918d617207bd6fe2cf001cbbc262
SHA512 d0b270e2e0b039ffb985cad1b644ba8edb5b8f5526afff35b07f9f975f8a895a16d350c4b163b860dbbb8a4922f9bda35bf9849282c09163ebfd09c509d2fe88
SSDEEP 6144:8Ly2Kwc64YIPS5F1hLPBp6qorcbIR5KT6:8kwcEz5dhoyvT6
TLSH
T153148C8AF7623015C55B4639A7AA5F189838EC720393651966C0F16C2C7BCB9872FFDC
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan juko

Malware Config

Signatures

Family: Juko
Juko is a trojan written in C++.
trojan juko

Detects Juko 1 IoCs

resource	yara_rule
sample	family_juko

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry

File Explorer

2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry

.exe .ps1 200KB

2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 443d88f07bf96e5b2fa534eb0574dcdbb055c4f52543f5fb703d9a7782d0ca44
MD5 d50e58cb6c2a8aeae60be9cba9bf012a
SHA1 56b389e0d05d918d617207bd6fe2cf001cbbc262
SHA512 d0b270e2e0b039ffb985cad1b644ba8edb5b8f5526afff35b07f9f975f8a895a16d350c4b163b860dbbb8a4922f9bda35bf9849282c09163ebfd09c509d2fe88
SSDEEP 6144:8Ly2Kwc64YIPS5F1hLPBp6qorcbIR5KT6:8kwcEz5dhoyvT6
TLSH
T153148C8AF7623015C55B4639A7AA5F189838EC720393651966C0F16C2C7BCB9872FFDC
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86 polyglot

Detects Juko
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

23330

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

CreateDirectoryW MoveFileW ReadFile SetFilePointer CreateFileW WriteFile GetDriveTypeW GetSystemDirectoryW GetProcAddress GetModuleHandleW GetSystemDefaultLangID GetTickCount GetCurrentProcessId GetComputerNameW FreeLibrary LoadLibraryW GetVersionExW GetCurrentProcess OpenProcess GetVolumeInformationA Process32NextW TerminateProcess Process32FirstW CreateProcessW lstrlenW SetFileTime GetFileSize DeleteFileW Sleep WinExec GetModuleFileNameA MultiByteToWideChar PeekNamedPipe GetStartupInfoW CreatePipe WaitForSingleObject CreateThread RemoveDirectoryW GetTempPathW ExitProcess SetStdHandle DuplicateHandle WideCharToMultiByte SetLastError LoadLibraryA GetModuleHandleA CloseHandle GetModuleFileNameW SetErrorMode FindClose GetLogicalDriveStringsW GetVolumeInformationW GetDiskFreeSpaceExW FindFirstFileW FindNextFileW GetLastError CreateToolhelp32Snapshot GetStartupInfoA

user32

ExitWindowsEx

advapi32

GetTokenInformation RegDeleteValueW RegSetValueExW RegCloseKey LookupPrivilegeValueW AdjustTokenPrivileges OpenProcessToken LookupAccountSidW GetUserNameW RegOpenKeyW

shell32

SHFileOperationW

psapi

EnumProcessModules GetModuleFileNameExW

msvcrt

_controlfp __set_app_type __p__fmode swprintf wcslen wcscpy memset memcpy ??2@YAPAXI@Z wcscmp __CxxFrameHandler _EH_prolog wcscat wcsrchr _wcsnicmp _except_handler3 _wcslwr sprintf strcpy strcmp rand srand strlen time atoi free _stricmp _exit _XcptFilter exit _acmdln __getmainargs _initterm __setusermatherr _adjust_fdiv __p__commode

shlwapi

PathFindFileNameW PathFileExistsW

Name

.text

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

68KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rdata

Size

105KB

Virtual Size

108KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

56KB

Virtual Size

60KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

2026-10-22_d50e58cb6c2a8aeae60be9cba9bf012a_elex_glassworm_wannacry

kernel32

user32

advapi32

shell32

psapi

msvcrt

shlwapi

generic