juko | 2026-10-04_ec7e14529650099e0d85fdcab4702fef_elex_wannacry

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General

Target
2026-10-04_ec7e14529650099e0d85fdcab4702fef_elex_wannacry
Size 137KB
Sample261004-2tfd7ayflh
SHA256 f33741478f93c042a69fad8bb061a69ec094480f204a538e32d5bab2c1bcd5b5
MD5 ec7e14529650099e0d85fdcab4702fef
SHA1 cace813b027a3e48e6b00579e2486d359492265b
SHA512 e0e3268f11761232d2f41e50bfaa9ceddd1529f09ae8bdd2eb1f2fb7d1baa9f4ed11f24d41e2b995a373f7e919496c121fd6d0ba84f945cf087259b7b00763d7
SSDEEP 3072:+Ly2Kerc64CiGImRRL0tU+3ZZYRGILCSihxnQDhGg5:+Ly2Kwc64YIcYjIDLCSiDaQm
TLSH
T18DD30A2B905330ACDA1782BCD7EA9671E4747CA41532BD7D5B28FA302F31C616F7A858
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
2026-10-04_ec7e14529650099e0d85fdcab4702fef_elex_wannacry

File Explorer

2026-10-04_ec7e14529650099e0d85fdcab4702fef_elex_wannacry

.exe 137KB

2026-10-04_ec7e14529650099e0d85fdcab4702fef_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 f33741478f93c042a69fad8bb061a69ec094480f204a538e32d5bab2c1bcd5b5
MD5 ec7e14529650099e0d85fdcab4702fef
SHA1 cace813b027a3e48e6b00579e2486d359492265b
SHA512 e0e3268f11761232d2f41e50bfaa9ceddd1529f09ae8bdd2eb1f2fb7d1baa9f4ed11f24d41e2b995a373f7e919496c121fd6d0ba84f945cf087259b7b00763d7
SSDEEP 3072:+Ly2Kerc64CiGImRRL0tU+3ZZYRGILCSihxnQDhGg5:+Ly2Kwc64YIcYjIDLCSiDaQm
TLSH
T18DD30A2B905330ACDA1782BCD7EA9671E4747CA41532BD7D5B28FA302F31C616F7A858
MD5 SHA1 SHA512 SSDEEP TLSH

windows:2951 windows x86 arch:x86

Detects Juko
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

2613

Major OS version

2951

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