juko | 2026-08-03_937a3ffc811077fd0edfc41858a46ae3_elex_wannacry

Sharing

Copy URL Twitter E-mail

General

Target
2026-08-03_937a3ffc811077fd0edfc41858a46ae3_elex_wannacry
Size 137KB
Sample260804-mvhtdatxax
SHA256 0c89677ed09b04868d171a177fe0f1afbf5884dc8ae42a4caf8302df8c487f41
MD5 937a3ffc811077fd0edfc41858a46ae3
SHA1 1b3a0540c56f9427e4961b171533f3ea33ab4202
SHA512 08d7d7a13be30f369e28bfceb44dec989380db8ddd3a1ffc8b7ac6aff267e797708f4791d7cd07923d853f4ab6289429d15f4ed8d1c62300b75a46c46b01d4ce
SSDEEP 3072:+Ly2Kerc64CiGImRRL0tU+3ZZYRGILCSihxnQDhGgy:+Ly2Kwc64YIcYjIDLCSiDaQZ
TLSH
T1A1D30A2B905330ACDA1782BCD7EA9671E4747CA41532BD7D5B28FA302F31C616F7A858
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
2026-08-03_937a3ffc811077fd0edfc41858a46ae3_elex_wannacry

File Explorer

2026-08-03_937a3ffc811077fd0edfc41858a46ae3_elex_wannacry

.exe 137KB

2026-08-03_937a3ffc811077fd0edfc41858a46ae3_elex_wannacry

IMPHASH 170193414cc4abf0ae27dc2a19d74879
SHA256 0c89677ed09b04868d171a177fe0f1afbf5884dc8ae42a4caf8302df8c487f41
MD5 937a3ffc811077fd0edfc41858a46ae3
SHA1 1b3a0540c56f9427e4961b171533f3ea33ab4202
SHA512 08d7d7a13be30f369e28bfceb44dec989380db8ddd3a1ffc8b7ac6aff267e797708f4791d7cd07923d853f4ab6289429d15f4ed8d1c62300b75a46c46b01d4ce
SSDEEP 3072:+Ly2Kerc64CiGImRRL0tU+3ZZYRGILCSihxnQDhGgy:+Ly2Kwc64YIcYjIDLCSiDaQZ
TLSH
T1A1D30A2B905330ACDA1782BCD7EA9671E4747CA41532BD7D5B28FA302F31C616F7A858
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