juko | 2026-06-08_37995ee4b4f3f40549ae74b03b2b76dc_elex_wannacry

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General

Target
2026-06-08_37995ee4b4f3f40549ae74b03b2b76dc_elex_wannacry
Size 32KB
Sample260608-klfxbabs2w
SHA256 05f3a40791e2ab5f1f89817f28100d439dbde92c5bed16fca04d98325c141c05
MD5 37995ee4b4f3f40549ae74b03b2b76dc
SHA1 264f489678b3cf8fa658290a67ed1b3ce99785dc
SHA512 c50f0647a445e215d3213af6d0f046681705e371f7add9c9ee1466758040541e29d01f64f087e5311486612cad528749641d5892a89abb070bc5fa9995aa04de
SSDEEP 768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpH:OLsF2Kerc64sTiX2IV0DhuH
TLSH
T16BE23A1B2AA17052C59320B0FA991F34C57D4CB6116BB066FB417B6928B2D63CFB0DCE
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
2026-06-08_37995ee4b4f3f40549ae74b03b2b76dc_elex_wannacry

File Explorer

2026-06-08_37995ee4b4f3f40549ae74b03b2b76dc_elex_wannacry

.exe 32KB

2026-06-08_37995ee4b4f3f40549ae74b03b2b76dc_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 05f3a40791e2ab5f1f89817f28100d439dbde92c5bed16fca04d98325c141c05
MD5 37995ee4b4f3f40549ae74b03b2b76dc
SHA1 264f489678b3cf8fa658290a67ed1b3ce99785dc
SHA512 c50f0647a445e215d3213af6d0f046681705e371f7add9c9ee1466758040541e29d01f64f087e5311486612cad528749641d5892a89abb070bc5fa9995aa04de
SSDEEP 768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpH:OLsF2Kerc64sTiX2IV0DhuH
TLSH
T16BE23A1B2AA17052C59320B0FA991F34C57D4CB6116BB066FB417B6928B2D63CFB0DCE
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

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